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This User's Manual contains safety information and instructions for

1. Handling a horse that is not trailer acclimated may result in injury or death or damage to your trailer Do not haul an unbroken horse in this trailer Horses must have a halter Open all stall dividers and lock them in their OPEN against the wall position If the trailer has living quarters close and lock the door between the living quarters and the horse area If the trailer is fitted with a drop ramp carefully lower it to the ground If your trailer is fitted with swinging loading doors open them fully and fasten them against the side of the trailer using the door holdbacks Lead the horse into the trailer by a halter or lead rope If the horse shows any signs of distress stop loading and calm the horse Tie the horse to the trailer interior by fastening the quick connect or tying the lead rope to the tie ring or other facility provided on the trailer wall for attachment of the lead rope A rule of thumb is to leave about 18 inches of free rope between the attachment point on the trailer and the horse The layout of the horse trailer has been designed to safely contain your horse The trailer is equipped with stall dividers and tie rings to secure the horse and has a rubber flooring Restraining a horse without using a combination of a tie strap and stall divider may result in serious injury or death to the horse Close and lock the stall divider If additional horses are to be loaded repeat steps 5 7 above for each ho
2. Section 4 2 2 1 Section 4 2 2 1 Section 13 1 4 2 Nuts Bolts amp and remounted Safety Chain s Check for wear Sections 4 2 1 5 amp Hooks and damage amp 4 2 2 3 Tires Check tire Sections 8 1 amp pressure when 13 1 8 cold Inflate as needed Check for Section 8 1 tightness Sections 10 1 amp Wheels Lug Tighten For new 13 1 11 71 A auwantada Auto amp Trailer Sales 5 je Qyners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Hub wheels check torque after first 10 25 amp 50 miles of driving and after any impact 72 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Inspection and Service each 3 Months or 3 000 Miles tem Inspection Manual Section Service Reference Structure gt Rumber Wash floor Section 13 1 1 Flooring Inspect Repair Sections 7 4 2 1 gt Hinges or replace Doors and damaged worn dividers or broken parts Inspection and Service each 6 Months or 6 000 Miles Item Inspection Manual Section Service Reference Tires Rotate 5 000 Section 13 1 8 miles Brakes electric gt Magnets Check wear and Section 13 1 3 3 C current draw Section 13 1 3 3 B gt Controller in Check power See Controller tow vehicle output Mfrs Manual a
3. D Adverse safety consequences of overloading on handling and stopping on tires 9 2 Steps for Determining Correct Load Limit Trailer Determining the load limits of a trailer includes more than understanding the load limits of the tires alone On all trailers there is a Federal certification VIN label that is located on the forward half of the left road side of the unit This certification VIN label will indicate the trailers Gross Vehicle Weight Rating GVWR This is the most weight the fully loaded trailer can weigh It will also provide the Gross Axle Weight Rating GAWR This is the most a particular axle can weigh If there are multiple axles the GAWR of each axle will be provided 48 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting If your trailer has a GVWR of 10 000 pounds or less there is a vehicle placard located in the same location as the certification label described above This placard provides tire and loading information In addition this placard will show a statement regarding maximum cargo capacity Cargo can be added to the trailer up to the maximum weight specified on the placard The combined weight of the cargo is provided as a single number In any case remember the total weight of a fully loaded trailer can not exceed the stated GVWR For trailers with living quarters installed the weight of wate
4. 6 1 1 3 UNCOUPLING THE FIFTH WHEEL TRAILER Improper electrical connection a between the tow vehicle and the trailer will result in inoperable lights WITH DROP LEG JACK Follow these steps to uncouple your fifth wheel and electric brakes and can lead to hitch trailer from your tow vehicle collision Block trailer tires to prevent the trailer from rolling Before each tow before jacking the trailer up e Check that the taillights brake e Disconnect the electrical connector lights and turn signals work Disconnect the breakaway brake switch cable Promptly replace the pin in the switch Ifthe tow vehicle has a tailgate lower it Make certain that ground surface below jack base will support trailer tongue load Rotate the drop leg plunger pin handle so that the plunger pin is released from the drop leg Push down on the drop leg base with your foot to place a drop leg to the desired lowered position e Check that the electric brakes work by operating the brake controller inside the tow vehicle 36 A dAwantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting The drop legs are heavily spring loaded in the lowered position They will rapidly return to the upper position when released and can inflict serious bruises scrapes or pinching Keep your feet shins and hands well clear of the drop legs and drop leg
5. A avwantada Auto amp Trailer Sales This Users Manual contains safety information and instructions for your trailer You must read this manual before loading or towing your trailer You must follow all safety precautions and instructions Advantage Auto amp Trailer Sales 770 Highland Ave Brandon MB R7C 1A7 Phone 204 729 8989 Main Fax 204 727 1122 E mail tod aats ca Service tod aats ca Web Site www aats ca A dAwantada Auto amp Trailer Sales 5 jj0 Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 1 Safety Information 2 2 Trailer Components 3 3 Safe trailer towing guidelines 15 4 Coupling to the tow vehicle 16 5 Raise drop leg jack 34 6 Replace the breakaway brake battery 36 7 Loading the trailer 39 8 Checking the trailer before and during each tow 47 9 Tire safety information 48 10 Breaking in a new trailer 66 11 Accessories 67 12 Inspection Service amp Maintenance 70 13 To perform many of the inpection and maintenance 77 14 Wiring Basics 87 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 1 SAFETY INFORMATION 1 1 Safety Alert Symbols and Signal Words Loss of control of the trailer or trailer tow vehicle combination can result in death or serious injury The most common causes for loss of control of t
6. bruises scrapes or pinching Keep your feet shins and hands well clear of the drop legs and drop leg bases when releasing the drop legs Always wear shoes or boots while performing this operation 4 2 2 3 RIG THE SAFETY CHAINS Visually inspect the safety chains and hooks for wear or damage Replace worn or damaged safety chains and hooks before towing Rig the safety chains so that they attach to the safety chain receivers on the hitch If you are not certain of the hitch provisions for receiving safety chains contact the hitch manufacturer or installer Do NOT attach the safety chains to the gooseneck ball or its support and Rig the safety chains so they have sufficient slack to permit turning but not too much slack the safety chains must keep the gooseneck on the tow vehicle bed if the trailer uncouples 27 A dAwantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting WARNING Improper rigging of the safety chains can result in loss of control of the trailer and tow vehicle leading to death or serious injury if the trailer uncouples from the tow vehicle e Fasten chains to safety chain receivers on the hitch not to ball e Have sufficient slack to permit turning and to keep gooseneck on bed of trailer if the trailer comes loose 4 2 2 4 ATTACH AND TEST THE BREAKAWAY BRAKE SYSTEM If the couple
7. 110 9 33 Open splice Any parting at any junction of tread sidewall or innerliner that extends to cord material 9 34 Outer diameter The overall diameter of an inflated new tire 9 35 Overall width The linear distance between the exteriors of the sidewalls of an inflated tire including elevations due to labeling decorations or protective bands or ribs 9 36 Ply A layer of rubber coated parallel cords 54 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 9 37 Ply separation A parting of rubber compound between adjacent plies 9 38 Pneumatic tire A mechanical device made of rubber chemicals fabric and steel or other materials that when mounted on an automotive wheel provides the traction and contains the gas or fluid that sustains the load 9 39 Production options weight The combined weight of those installed regular production options weighing over 2 3 kilograms 5 lbs in excess of those standard items which they replace not previously considered in curb weight or accessory weight including heavy duty brakes ride levelers roof rack heavy duty battery and special trim 9 40 Radial ply tire A pneumatic tire in which the ply cords that extend to the beads are laid at substantially 90 degrees to the centerline of the tread 9 41 Recommended inflation pressure This is the inflation pressure
8. A aAawantada Auto amp Trailer Sales Trailer Qamers Manual Everything you need to know about trailer safety hook up loading amp Trouble shooting Figure 2 1 Warning Labels Check following points each time before towing trailer V Make sure all parts bolts and nuts are tight v Secure load to trailer check tilt and tie down mechanisms use extra rope as a safety measure Check tire air pressure when tire is cold v Repack wheel bearings once a year preferably in the Fall before storing trailer V Make sure you are not exceeding trailer capacity y Make sure the coupler is securely latched to the hitch ball Check each time you stop amp teave trailer v Cross safety chains under tongue and secure to towing vehicle If equipped hook up break away brake chain with slack to permit comering V Make sure the trailer electrical connector is properly connected and all lights are operating V Check brake operation V Make sure the jack is raised to its highest position v Make sure all gates and latches are secured UT0013 CHECK WHEEL LUGS 1 With new and remounted wheels Abo wheel lug nuts at start of trip at the first 10 25 and 50 miles of driving Tighten to owners manual specifications 2 Thereafter check wheel lugs before each trip 3 all winter storage C before beginning a trip 4 Following excessive braking inspect wheel lugs NO SEP A dAwantada Auto amp Trailer Sales 5 je Qyner
9. Gross Vehicle Weight Rating GVWR of your trailer 4 2 3 1 BEFORE ATTEMPTING TO TOW THE TRAILER Be sure the size and rating of the fifth wheel and kingpin match Wipe the kingpin clean and inspect it visually and by feeling for flat spots cracks and pits Check the condition of the kingpin mounting in the bed of the tow vehicle 31 A dAwantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting WARNING A worn bent cracked or corroded kingpin can fail while towing and may result in death or serious injury Before coupling the trailer inspect the kingpin and kingpin plate for wear bending cracks or corrosion and replace worn or damaged kingpin Be sure the fifth wheel mechanism operates freely Lubricate the fifth wheel plate surface with a light coat of Lithium base waterproof grease Be sure the fifth wheel and kingpin fasteners are tight and any welds are solid WARNING A loose fifth wheel or kingpin can result in uncoupling leading to death or serious injury Be sure the fifth wheel and kingpin are tight before coupling the trailer Be sure the brake line electrical line and any other lines are clear of the coupling area Be sure the locks are open Ifthe tow vehicle is equipped with a tailgate lower it Block the trailer wheels front and rear Make certain that trailer fifth
10. The remainder of the total weight is carried by the tow vehicle hitch It is essential for safe towing that the trailer tongue and tow vehicle hitch carry the proper amount of the loaded trailer weight otherwise the trailer can suddenly sway wildly at towing speed Read the Tongue Weight section below The load distribution must be such that no component part of the trailer is loaded beyond its rating This means that you must consider the rating of the tires wheels and axles For tandem and triple axle trailers you must make sure that the front to rear load distribution does not result in overloading any axle Towing stability also depends on keeping the center of gravity as low as possible Load heavy items on the floor and over the axles When loading additional items be sure to maintain even side to side weight distribution and proper tongue weight The total weight of the trailer and its contents must never exceed the total weight rating of the trailer Gross Vehicle Weight Rating or GVWR WARNING An overloaded trailer can result in loss of control of the trailer leading to death or serious injury Do not exceed the trailer Gross Vehicle Weight Rating GVWR or an axle Gross Axle Weight Rating GAWR Do not load a trailer so that the weight on any tire exceeds its rating 39 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading
11. can be caused by tire imbalance axle misalignment or incorrect inflation Tires with too little tread will not provide adequate tracking on wet roadways and can result in loss of control leading to death or serious injury Improper tire pressure causes an unstable trailer and can result in a tire blowout and loss of control Therefore before each tow you must also check the tire pressure Tire pressure must be checked when tires are cold Allow 3 hours cool down after driving as much as 1 mile at 40 m p h before checking tire pressure NOTE Trailer tires will be inflated to higher pressures than passenger vehicle tires Since trailer wheels and lug nuts or bolts are subjected to greater side loads than automobile wheels they are more prone to loosen Before each tow check to make sure they are tight WARNING Metal creep between the wheel rim and lug nuts will cause rim to loosen and could result in a wheel coming off leading to death or serious injury Tighten lug nuts before each tow The proper tightness torque for lug nuts is listed at page 83 in the Inspection and Service Instructions chapter of this manual Use a torque wrench to tighten the lug nuts If you do not have a torque wrench use a lug wrench from your tow vehicle and tighten the nuts as much as you can Then have a service garage or trailer dealer tighten the lug nuts to the proper torque Lug nuts are also prone to loosen after first being assem
12. for the maximum recommended load for the vehicle 65 A Avantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 10 BREAKING IN A NEW TRAILER 10 1 Retighten Lug Nuts at First 10 25 amp 50 Miles Wheel lugs can shift and settle quickly after being first assembled and must be checked after the first 10 25 and 50 miles of driving Failure to perform this check may result in a wheel coming loose from the trailer causing a crash leading to death or serious injury 10 2 Adjust Brake Shoes at First 200 Miles Brake shoes and drums experience a rapid initial wear The brakes must be adjusted after the first 200 miles of use and each 3 000 miles thereafter Some axles are fitted with a mechanism that will automatically adjust the brake shoes when the trailer is hard braked from a forward direction Read your axle and brake manual to see if your brakes adjust automatically A hard stop is used to confirm that the brakes work confirm that the trailer brakes are properly synchronized with the tow vehicle brakes and for many braking systems automatically adjust the brake shoes If your trailer is not fitted with automatically adjusting brakes the brakes will need to be manually adjusted See section 13 1 3 2 Manually Adjusting Brake Shoes for instructions 10 3 Synchronizing the Brake Systems Trailer brakes are desig
13. need to know about trailer safety hook up loading amp Trouble shooting To make certain an electrically operated braking system will function properly you must have your dealer inspect the magnets at least once a year or each 12 000 miles See the brake manual for wear and current inspection instructions 13 1 4 TRAILER CONNECTION TO TOW VEHICLE 13 1 4 1 COUPLER AND BALL The coupler on the trailer connects to the ball attached to the hitch on the tow vehicle The coupler ball and hitch transfer the towing forces between the tow vehicle and the trailer Before each tow coat the ball with a thin layer of automotive bearing grease to reduce wear and ensure proper operation and check the locking device that secures the coupler to the ball for proper operation See the coupler manufacturer s manual for other inspection and maintenance activities If you see or feel evidence of wear such as flat spots deformations pitting or corrosion on the ball or coupler immediately have your dealer inspect them to determine the proper action to prevent possible failure of the ball and coupler system All bent or broken coupler parts must be replaced before towing the trailer The coupler handle lever must be able to rotate freely and automatically snap into the latched position Oil the pivot points sliding surfaces and spring ends with SAE 30W motor oil Keep the ball pocket and latch mechanism clean Dirt or contamination can prevent prope
14. of a bumper pull trailer can rise during loading before the cargo is properly distributed 43 A dAwantada Auto amp Trailer Sales 5 jje Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting The cargo carrying portion of a horse trailer is designed only for carrying horses Do not transport people livestock containers of hazardous substances or containers of flammable substances WARNING Do not carry loose livestock in your horse trailer They can cause the trailer to become unstable and can result in loss of control You must use a trailer designed to carry loose livestock Before loading a horse in your trailer inspect the interior of the trailer The interior of the trailer must be smooth and have no protruding objects There should be no loose objects that could move about and startle or injure the horse Check the walls floor dividers etc for loose and broken parts welds hinges etc 7 4 2 1 PREPARING THE HORSE TRAILER FOR LOADING Open windows and vents to provide ventilation Consider the weather and transport conditions i e on warm sunny days maximum ventilation is required Do not carry a horse without providing ventilation even in coldest weather Ventilation is critical for the well being of your horses Know your horses and adjust ventilation for your horses comfort Be sure pivoting window latches are in a flush positio
15. provided by the vehicle manufacturer on the Tire Information label and on the Certification VIN tag 9 42 Reinforced tire A tire designed to operate at higher loads and at higher inflation pressures than the corresponding standard tire 9 43 Rim A metal support for a tire or a tire and tube assembly upon which the tire beads are seated 9 44 Rim diameter This means the nominal diameter of the bead seat 9 45 Rim size designation This means the rim diameter and width 55 A auwantada Auto amp Trailer Sales 5 jje Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 9 46 Rim type designation This means the industry of manufacturer s designation for a rim by style or code 9 47 Rim width This means the nominal distance between rim flanges 9 48 Section width The linear distance between the exteriors of the sidewalls of an inflated tire excluding elevations due to labeling decoration or protective bands 9 49 Sidewall That portion of a tire between the tread and bead 9 50 Sidewall separation The parting of the rubber compound from the cord material in the sidewall Special Trailer ST tire The ST is an indication the tire is for trailer use only 9 51 Test rim The rim on which a tire is fitted for testing and may be any rim listed as appropriate for use with that tire 9 52 Tread That portion of a tire that comes into contact
16. size as the vehicle s original tires or another size recommended by the manufacturer Look at the tire information placard the owner s manual or the sidewall of the tire you are replacing to find this information If you have any doubt about the correct size to choose consult with the tire dealer 9 63 6 TIRE TREAD The tire tread provides the gripping action and traction that prevent your vehicle from slipping or sliding especially when the road is wet or icy In general tires are not safe and should be replaced when the tread is worn down to 1 16 of an inch Tires have built in tread wear indicators that let you know when it is time to replace your tires These indicators are raised sections spaced intermittently in the bottom of the tread grooves When they appear even with the outside of the tread it is time to replace your tires Another method for checking tread depth is to place a penny in the tread with Lincoln s head upside down and facing you If you can see the top of Lincoln s head you are ready for new tires 9 63 7 TIRE BALANCE AND WHEEL ALIGNMENT To avoid vibration or shaking of the vehicle when a tire rotates the tire must be properly balanced This balance is achieved by positioning weights on the wheel to counterbalance heavy spots on the wheel and tire assembly A wheel alignment adjusts the angles of the wheels so that they are positioned correctly relative to the vehicle s frame This adjustment maximize
17. the ground However if the ground is bad the current goes back from the base through the other filament through the wire to the bulb on the other side of the trailer through that filament through that base through that ground through the vehicle frame back to the battery s negative terminal When all this happens the filaments won t have the full voltage across them so they will be dimmer but on one side two filaments could be lit and that should appear brighter unless the other side filament is the brake filament When things start appearing strange start looking at the ground connections In summary trailer wiring problems can appear to be complicated However a systematic approach based on eliminating things that are proven good can help focus in on the problem Also when things start appearing strange check the ground connections 89
18. the jack shaft Rotate the handle or crank from its hold and engage it with the jack shaft Rotate the handle or crank clockwise to slowly extend the jack and transfer the weight of the trailer tongue to the jack On two speed jacks pushing the handle shaft toward the gearbox can perform rapid extension This shifts the gearbox into a high speed mode When the drop leg base contacts the ground shift the gearbox into low speed mode by pulling out on the handle shaft until it locks into low gear Continue to extend the jack s making sure that the ground is providing stable and level support for the trailer After the jack s are extended and the gooseneck ball receiver is well clear of the gooseneck ball to permit driving the tow vehicle away disengage the handle from its shaft and return to its holder 4 2 3 TRAILER WITH FIFTH WHEEL COUPLER AND DROP LEG JACK A fifth wheel coupler on the trailer connects to a kingpin that you must have installed in the bed of the tow vehicle This system of coupling a trailer to a tow vehicle has a greater tongue weight capacity than a ball hitch or gooseneck coupling A fifth wheel coupler includes a flat load bearing plate with a slot and a mechanism inside the slot that grips the kingpin We have utilized a fifth wheel coupler that is suitable for the size and weight of the trailer You must provide a kingpin and kingpin plate that match the fifth wheel and that is rated for the
19. the safety ground Before connecting your trailer test shore power by using a polarity and ground tester which can be purchased at electronic stores 68 A dAwantada Auto amp Trailer Sales zala ma Niel Everything you need to know about trailer safety hook up loading amp Trouble shooting If you have shore power your trailer may be fitted with Ground Fault Interrupting outlets GFI If you have GFI protection you must periodically test the outlets by pressing the TEST button that is located on the GFl equipped outlet WARNING Shore power poses a risk of death due to electrocution or fire e Always use an electrical cord specifically designed for shore power connection Never use an ordinary extension cord e Always connect the electrical cord to a grounded source of shore power e Do not remove the third prong from the shore power plug e Connect only to source of proper voltage e Make certain polarity is correct e Do not overload electrical circuits e Always replace fuses or circuit breakers with correct rating 11 4 Vending amp Accessory Doors A vending or accessory door opens vertically and has a hinge along its top edge These doors are equipped with two locking props that lock into place once extended to proper height To release the locking mechanism simply raise the vending door slightly allowing the locking mechanism to become disengaged 69 A auwantada Aut
20. the trailer uncouples from the tow vehicle Be sure to check maintain and replace the battery according to the battery manufacturer instructions 13 1 3 3 A ii BREAKAWAY SWITCH This switch causes the breakaway battery to operate the electric brakes if the trailer uncouples from the tow vehicle The pull cable for the pull pin is connected to the tow vehicle and the switch is connected to the trailer To check for proper functioning of the switch battery and brakes you must pull the pin from the switch and confirm that the brakes apply to each wheel You can do this by trying to pull the trailer with the tow vehicle after pulling the pin The trailer brakes may not lock but you will notice that a greater force is needed to pull the trailer WARNING If electric breakaway brakes do not operate when trailer is uncoupled from the tow vehicle death or serious injury can occur Check emergency breakaway brake system BEFORE each tow 13 1 3 3 B TOW VEHICLE OPERATED ELECTRIC BRAKES The electric brakes that operate in conjunction with the tow vehicle brakes must be synchronized so that braking is properly distributed to the tow vehicle brakes and the trailer brakes For proper operation and synchronization read and follow the axle brake and the brake controller manufacturers instructions 13 1 3 3 C MAGNETS FOR ALL ELECTRIC BRAKES 79 A auwantada Auto amp Trailer Sales Jer Omers Maral Everything you
21. tire for any bubble cut or bulge and replace a damaged tire before towing the trailer 81 A dAwantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting WARNING Worn damaged or under inflated tires can cause loss of control resulting in damage serious injury and possibly death Inspect tires before each tow 13 1 9 WHEEL RIMS If the trailer has been struck or impacted on or near the wheels or if the trailer has struck a curb inspect the rims for damage i e being out of round and replace any damaged wheel Inspect the wheels for damage every year even if no obvious impact has occurred 13 1 10 WHEELS BEARINGS AND LUG NUTS A loose worn or damaged wheel bearing is the most common cause of brakes that grab To check your bearings jack trailer and check wheels for side to side looseness If the wheels are loose or spin with a wobble the bearings must be serviced or replaced 13 1 10 1 UNSEALED BEARINGS HUBS If your trailer has unsealed axle bearings they must be inspected and lubricated once a year or 12 000 miles to insure safe operation of your trailer If a trailer wheel bearing is immersed in water it must be replaced If your trailer has not been used for an extended amount of time have the bearings inspected and packed more frequently at least every six months and prior to use Follow the steps
22. trailer attached to the tow vehicle With properly rigged safety chains it is possible to keep the tongue of the trailer from digging into the road pavement even if the coupler to hitch connection comes apart Trailer lighting and braking connector A device that connects electrical power from the tow vehicle to the trailer Electricity is used to turn on brake lights running lights and turn signals as required In addition if your trailer has a separate braking system the electrical connector will also supply power to the brakes from the tow vehicle 18 A auwantada Auto amp Trailer Sales 5 jj0 Qyners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Breakaway switch If the coupler connection comes loose the breakaway switch can actuate emergency electrical brakes on the trailer The breakaway switch must be rigged to the tow vehicle with appropriate slack that will activate the switch if the coupler connection comes loose Jack A device on the trailer that is used to raise and lower the coupler The jack is sometimes called the landing gear Various Coupler Designs Trailers are produced with a variety of coupler devices One of the sections below will pertain to your trailer Ball Hitch Coupler Gooseneck Hitch Coupler 4 2 1 TRAILER WITH BALL HITCH COUPLER A ball hitch coupler connects to a ball that is located on or under the rear bumper of tow veh
23. wheel plate is slightly above the kingpin plate on the tow vehicle Back tow vehicle up close to the trailer centering the kingpin in the slot of the fifth wheel STOP before engaging the coupling 32 A dAwantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting WARNING If the trailer drops during coupling death or serious injury may result There must be no one under the trailer or coupler before or during the coupling operation Adjust the height of the trailer using the jack so that the fifth wheel plate just touches the kingpin plate Slowly back up the tow vehicle keeping the kingpin centered in the slot of the fifth wheel Continue backing up until the fifth wheel locks firmly on the kingpin Visually check to confirm that the fifth wheel locks are properly locked onto the kingpin Attempt to pull forward as an initial test of the closing of the fifth wheel locks WARNING An improperly coupled fifth wheel can come loose resulting in death or serious injury Do not tow the trailer until all of the visual checks have been performed e Adjustment nut against fifth wheel e Secondary lock behind yoke e Fifth wheel against kingpin plate 33 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble sho
24. with the road 9 53 Tread rib A tread section running circumferentially around a tire 9 54 Tread separation Pulling away of the tread from the tire carcass 56 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 9 55 Tread wear indicators TWI The projections within the principal grooves designed to give a visual indication of the degrees of wear of the tread 9 56 Vehicle capacity weight The rated cargo and luggage load plus 68 kilograms 150 Ibs times the vehicle s designated seating capacity 9 57 Vehicle maximum load on the tire The load on an individual tire that is determined by distributing to each axle its share of the maximum loaded vehicle weight and dividing by two 9 58 Vehicle normal load on the tire The load on an individual tire that is determined by distributing to each axle its share of the curb weight accessory weight and normal occupant weight distributed in accordance with Table of CRF 49 571 110 and dividing by 2 9 59 Weather side The surface area of the rim not covered by the inflated tire 9 60 Wheel center member In the case of a non pneumatic tire assembly incorporating a wheel a mechanical device which attaches either integrally or separable to the non pneumatic rim and provides the connection between the non pneumatic rim and the vehicle or in the case of a non pneum
25. Basics The most important part of troubleshooting a trailer problem is a good visual inspection Check all ground connections and make sure they are clean mechanical sound connections that are protected from the elements Examine all bulbs and light fixtures up close Look for water trapped inside the light fixtures Look for discolored bulbs When in doubt fix the connection or replace the bulb or fixture The first test should be one of the turn brake lights circuits These are the simplest circuits usually only one bulb filament is involved sometimes two If you are using a battery charger connect the negative cable to the white wire pin ground on the trailer plug and connect the positive battery charger lead to the left turn wire pin If you are using a tow vehicle turn the left turn signal on The left turn light should come on If it doesn t first check the bulb then the wiring 88 A auwantada Auto amp Trailer Sales 5 je Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting to it If one of the lights on the other side comes on see the Strange Trailer Light Problems discussion below After checking the left turn light check the right one Leave the battery charger on the white wire pin and move the other lead to the right turn wire pin or turn the tow vehicle s right turn signal on The right turn light should come on When you test the turn signals you also chec
26. ESERVOIR 13 1 12 2 A CLEAR OIL FLOWING OUT OF FILL HOLE USUALLY POINTS TO THE FOLLOWING Cylinders were not fully retracted when reservoir was filled Reservoir is over filled Sd 13 1 12 2 B FOAMY OIL FLOWING OUT OF THE FILL HOLE POINTS TO THE FOLLOWING Air is present in the system that is cylinders and fluid lines The response usually is spongy and the cylinder moves with jerking motion 13 1 12 2 C WATER IN THE OIL Water can enter the reservoir through the fill hole if the unit is washed with a high pressure washer Protect the unit whenever and change oil if contamination occurs 13 1 12 3 TROUBLE SHOOTING YOUR HYDRAULIC SYSTEM 13 1 12 3 A MOTOR FAILS TO START POSSIBLE CAUSE Improper voltage to motor Motor start solenoid switch Open circuit Motor Dead battery or corroded terminals gt o gt o gt 13 1 12 3 B UNIT WILL NOT RAISE POSSIBLE CAUSE 85 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Improper Ground Insufficient oil in reservoir Cylinder overload Worn Pump Low Voltage o gt o o 13 1 12 3 C UNIT WILL NOT LOWER POSSIBLE CAUSE Pressure Relief Valve valves set too lose System Filter Electrical Switch Open Circuit Low Voltage o gt o o 13 1 12 3 D UNIT DRIFTS WITH POWER OFF POSSIBLE CAUSE Leakag
27. Follow the recommended sequence tighten fasteners per the wheel chart below Wheel nuts should be torqued before the first road use and after each wheel removal Check and re torque after the first 10 25 and again at 50 miles Check periodically thereafter WHEEL TORQUE Lug Nut Torque Steel Wheels Axle Rating Torque Stud S 3 500 to 7 000 90 to 95 Lug Nut Torque Aluminum Wheels T Rim Size Stud Size ee Foot pounds 15 inch 5 or 6 hole 75 to 90 16 inch 8 hole 75 to 90 Wheel Axle Manufacturers Manual should be referenced for precise wheel torque The above is a general guide 84 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 13 1 12 HYDRAULIC SYSTEM 13 1 12 1 HYDRAULIC FLUID AND RESERVOIR 13 1 12 1 A HYDRAULIC FLUIDS Hydraulic fluids in the following characteristics should be used viscosity 80 ssu 360 ssu Suggested viscosity is between 130 210 ssu The different oil grades must be chosen according to the ambient temperature and maximum working pressure ambient 13 1 12 1 B CORRECT FILLING AND OPERATING PROCEDURE Fill reservoir to within 12 from the top with all the cylinders in the fully retracted position Note do not use a solid plug or a fill cap without a filter breather element or damage will be caused to the pump and or reservoir 13 1 12 2 PROBLEMS ASSOCIATED WITH THE R
28. OW VEHICLE Section 2 3 contains a Glossary of Tire Terminology including cold inflation pressure maximum inflation pressure recommended inflation pressure and other non technical terms Section 2 4 contains information from the NHTSA brochure entitled Tire Safety Everything Rides On It This brochure This brochure as well as the preceding subsections describes the following items e Tire labeling including a description and explanation of each marking on the tires and information about the DOT Tire Identification Number TIN e Recommended tire inflation pressure including a description and explanation of A Cold inflation pressure B Vehicle Placard and location on the vehicle C Adverse safety consequences of under inflation including tire failure D Measuring and adjusting air pressure for proper inflation e Tire Care including maintenance and safety practices e Vehicle load limits including a description and explanation of the following items A Locating and understanding the load limit information total load capacity and cargo capacity B Calculating total and cargo capacities with varying seating configurations including quantitative examples showing illustrating how the vehicles cargo and luggage capacity decreases as combined number and size of occupants increases This item is also discussed in Section 3 C Determining compatibility of tire and vehicle load capabilities
29. OW VEHICLE Be sure the size and rating of hitch ball match the size and rating of the coupler Hitch balls and couplers are marked with their size and rating Wipe the hitch ball clean and inspect it visually and by feel for flat spots cracks and pits WARNING A worn cracked or corroded hitch ball can fail while towing and may result in death or serious injury Before coupling trailer inspect the hitch ball for wear corrosion and cracks Replace worn or damaged hitch ball Rock the ball to make sure it is tight to the hitch and visually check that the hitch ball nut is solid against the lock washer and hitch frame Wipe the inside and outside of the coupler clean and inspect it visually for cracks and deformations feel the inside of the coupler for worn spots and pits Be sure the coupler is tight to the tongue of the trailer All coupler fasteners must be visibly solid against the trailer frame WARNING A loose hitchball nut can result in uncoupling leading to death or serious injury Be sure the hitch ball is tight to the hitch before coupling the trailer Raise the bottom surface of the coupler with the jack to be above the top of the hitch ball 20 A auwantada Auto amp Trailer Sales 5 jj0 Qyners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 4 2 1 3 PREPARE THE COUPLER AND HITCH Lubricate the hitch ball and the in
30. TH TONGUE JACK Follow these steps to uncouple your ball hitch trailer from the tow vehicle gt Block trailer tires to prevent the trailer from rolling before jacking the trailer up gt Disconnect the electrical connector gt Disconnect the breakaway brake switch cable Promptly replace the pullpin in the switchbox 23 A dAwantada Auto amp Trailer Sales zala ma Niel Everything you need to know about trailer safety hook up loading amp Trouble shooting VYY Disconnect the safety chains from the tow vehicle Unlock the coupler and open it Before extending jack make certain the ground surface below the jack pad will support the tongue load Rotate the jack handle or crank clockwise This will slowly extend the jack and transfer the weight of the trailer tongue to the jack 4 2 2 TRAILER WITH GOOSENECK COUPLER AND DROP LEG JACK A gooseneck coupler on the trailer connects to a gooseneck ball that you must have installed in the bed of the tow vehicle This system of coupling a trailer to a tow vehicle permits the tow vehicle to turn to sharper angles than are permitted by a bumper hitch system A gooseneck coupler consists of a tube in an inverted U shape and a gooseneck ball receiver We have utilized a Gooseneck ball receiver that is suitable for the size and weight of the trailer The load rating of the coupler and the necessary ball size are listed on the gooseneck You must provide a gooseneck b
31. ack Replace promptly if immersed in water Inspect for cracks amp dents Replace as needed 75 A Avantada Auto amp Trailer Sales Jer Qyners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Structure gt Axle Check BY Section 12 2 1 Attachment DEALER Bolts 12 2 Inspection and Service Instructions 12 2 1 AXLE BOLTS FRAME SUSPENSION amp STRUCTURE WARNING Worn or broken suspension parts can cause loss of control and injury may result Have trailer professionally inspected annually and after any impact 76 A Avantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 13 TO PERFORM MANY OF THE INSPECTION AND MAINTENANCE ACTIVITIES YOU MUST JACK UP THE TRAILER When jacking and using jack stands place them so as to clear wiring brake lines and suspension parts springs torsion bars etc Place jacks and jack stands inside of the perimeter strip on the supporting structure to which the axles are attached WARNING Never crawl under your trailer unless it is on firm and level ground and resting on properly placed and secured jack stands 13 1 1 TRAILER STRUCTURE Because the trailer floor receives the most abuse it will most likely corrode before any other part of the structure This is particularly tr
32. ailer because some of the trailer load is to be carried by the tow vehicle rather than by the trailer axle s The total weight of the cargo and trailer must not exceed the GVWR and the load on an axle must not exceed its GAWR PSIC The tire pressure Pounds per Square Inch measured when Cold VIN The Vehicle Identification Number 4 1 2 TOW VEHICLE When equipping a new vehicle or an older vehicle to tow your trailer ask the vehicle dealer for advice on how to outfit the towing vehicle Discuss the following information and equipment with the vehicle dealer Overall Carrying and Towing Capacity of Vehicle Vehicle manufacturers will provide you with the maximum capacities of their various models No amount of reinforcement will give a 100 horsepower 2 500 pound truck the towing capacity that a 300 horsepower 5 000 pound truck has Towing Hitch The towing hitch attached to your tow vehicle must have a capacity equal to or greater than the load rating of the trailer you intend to tow The hitch capacity must also be matched to the tow vehicle capacity Only your vehicle dealer can provide and install the proper hitch on your tow vehicle Suspension System Sway bars shock absorbers heavy duty springs heavy duty tires and other suspension components must be able to sufficiently serve the size and weight of the trailer that is going to be towed Brake Controller The brake controller is part of the tow vehicle and is essential in th
33. air pressure that should ever be put in the tire under normal driving conditions 9 63 3 CHECKING TIRE PRESSURE It is important to check your vehicle s tire pressure at least once a month for the following reasons Most tires may naturally lose air over time Tires can lose air suddenly if you drive over a pothole or other object or if you strike the curb when parking With radial tires it is usually not possible to determine under inflation by visual inspection For convenience purchase a tire pressure gauge to keep in your vehicle Gauges can be purchased at tire dealerships auto supply stores and other retail outlets The recommended tire inflation pressure that vehicle manufacturers provide reflects the proper psi when a tire is cold The term cold does not relate to the outside temperature Rather a cold tire is one that has not been driven on for at least three hours When you drive your tires get warmer causing the air pressure within them to increase Therefore to get an accurate tire pressure reading you must measure tire pressure when the tires are cold or compensate for the extra pressure in warm tires 9 63 4 STEPS FOR MAINTAINING PROPER TIRE PRESSURE Step 1 Locate the recommended tire pressure on the vehicle s tire information placard certification label or in the owner s manual Step 2 Record the tire pressure of all tires Step 3 If the tire pressure is too high in any of the tires slowly release air b
34. all and support structure that is marked with a rating that meets or exceeds the GVW Rating of your trailer and matches the size of the gooseneck ball receiver If the gooseneck ball is too small is underrated is loose or is worn the trailer can come loose from the tow vehicle and may lead to death or serious injury THE TOW VEHICLE SUPPORT STRUCTURE AND GOOSENECK BALL MUST HAVE A RATED TOWING CAPACITY EQUAL TO OR GREATER THAN THE TRAILER Gross Vehicle Weight Rating GVWR IT IS ESSENTIAL THAT THE GOOSENECK BALL BE OF THE SAME SIZE AS THE GOOSENECK BALL RECEIVER WARNING Coupler to hitch mismatch can result in uncoupling leading to death or serious injury Be sure the LOAD RATING of the hitch ball is equal or greater than the load rating of the coupler Be sure the SIZE of the hitch ball matches the size of the coupler The height of the ball receiver on the trailer must be adjusted to match the height of the gooseneck ball on your tow vehicle so that 24 A dAwantada Auto amp Trailer Sales Jer Qyners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting There is clearance between the bottom of the trailer and the sides of the tow vehicle bed and the trailer is level and allows equal weight distribution on tandem axles The gooseneck height adjustment bolts which have a cup that makes a gripping impression into the gooseneck tube must be tight so tha
35. amp Trouble shooting 7 1 Tongue Weight It is critical to have a portion of the trailer load carried by the tow vehicle That is the trailer tongue must exert a downward force on the hitch This is necessary for two reasons First the proper amount of tongue weight is necessary for the tow vehicle to be able to maintain control of the tow vehicle trailer system If for example the tongue exerts an upward pull on the hitch instead of pushing down on it because the trailer is overloaded behind its axle s the rear wheel of the tow vehicle can lose traction or grip and cause loss of control Also even if there is some weight on the tongue but not enough weight on the tongue the trailer can suddenly become unstable at high speeds If on the other hand there is too much tongue weight the front wheels of the tow vehicle can be too lightly loaded and cause loss of steering control and traction as well if the front wheels are driving In addition to tow vehicle control tongue weight is necessary to insure that the trailer axle s do not exceed their Gross Axle Weight Rating GAWR The table below has rules of thumb for proper tongue weight In the table below the second column notes the rule of thumb percentage of total weight of the trailer plus its cargo Gross Vehicle Weight or GVW that should appear on the tongue of the trailer For example a trailer with a gooseneck hitch with a loaded weight of 12 000 pounds s
36. atic tire assembly not incorporating a wheel a mechanical device which attaches either integrally or separable to the non pneumatic tire and provides the connection between tire and the vehicle 9 61 Wheel holding fixture The fixture used to hold the wheel and tire assembly securely during testing 9 62 Tire Safety Everything Rides On It The National Traffic Safety Administration NHTSA has published a brochure DOT HS 809 361 that discusses all aspects of Tire Safety as required by CFR 575 6 This brochure is reproduced in part below It can be obtained and downloaded from NHTSA free of charge from the following web site 57 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting http www nhtsa dot gov cars rules TireSafety ridesonit tires index html Studies of tire safety show that maintaining proper tire pressure observing tire and vehicle load limits not carrying more weight in your vehicle than your tires or vehicle can safely handle avoiding road hazards and inspecting tires for cuts slashes and other irregularities are the most important things you can do to avoid tire failure such as tread separation or blowout and flat tires These actions along with other care and maintenance activities can also e Improve vehicle handling e Help protect you and others from avoidable breakdowns and accidents e Improve f
37. ay cable and safety chain attach the cable and chain to your tow vehicle allowing enough slack for you to make tight turns Connect the trailer wiring harness to the electrical system of your tow vehicle and check the operation of lights and brakes Do not use trailer until lights or brake repairs have been made Inspect trailer tires and inflate to proper specifications 7 4 3 1 PREPARING THE TRAILER FOR LOADING Before loading cargo into your dump trailer inspect the interior of the trailer Dump trailers may be fitted with D ring hold downs that can be used to secure the cargo Inspect the D rings for looseness or signs of bending before loading the cargo onto the trailer 7 4 3 2 LOADING THE DUMP TRAILER Caution must be used in loading your trailer to not exceed the gross vehicle weight rating of your trailer or tow vehicle Gravel sand and soil are approximately 2 700 Ibs per cubic yard which should be taken into consideration when loading these items Normal weight distribution of a trailer is approximately 10 of load on the tongue Too much weight on the tongue will overload the tow vehicle hitch Too little weight could cause the trailer to sway 46 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 8 CHECKING THE TRAILER BEFORE AND DURING EACH TOW 8 1 Pre tow Checklist Before towing double check al
38. bases when releasing the drop legs Always wear shoes or boots while performing this operation Rotate the plunger pin handle so that the plunger pin is attempting to engage the drop leg Slowly raise your foot permitting the drop leg to raise The plunger pin will engage a hole in the drop leg Be sure the plunger pin is fully engaged Push it in by hand if necessary The bent part of the plunger pin handle must be touching the plunger pin housing If your trailer has two drop leg jacks lower them both to the same level following the above instructions If the drop legs are not set at the same level one of the drop leg jacks can be overloaded and can be damaged Release the handle or crank from its holder and engage it with the jack shaft Rotate the handle or crank clockwise to slowly extend the jack and transfer the weight of the trailer tongue to the jack On two speed jacks pushing the handle shaft toward the gearbox can perform rapid extension This shifts the gearbox into a high speed mode When the drop leg base contacts the ground shift the gearbox into low speed mode by pulling out on the handle shaft until it locks into low gear 37 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Do not use high speed to lift the trailer the drop leg jack mechanism can be damaged High speed i
39. below to disassemble and service the UNSEALED wheel bearings After removing the grease cap cotter pin spindle nut and spindle washer remove the hub and drum to inspect the bearings for wear and damage Replace bearings that have flat spots on rollers broken roller cages rust or pitting Always replace bearings and cups in sets The inner and outer bearings are to be replaced at the same time Replace seals that have nicks tears or wear Lubricate the bearings with a high quality EP 2 automotive wheel bearing grease Every time the wheel hub is removed and the bearings are reassembled follow the steps below to check the wheel bearings for free running and adjust Turn the hub slowly by hand while tightening the spindle nut until you can no longer turn the hub by hand Loosen the spindle nut just until you are able to turn it the spindle nut by hand Do not turn the hub while the spindle nut is loose 82 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Put anew cotter pin through the spindle nut and axle Check the adjustments Both the hub and the spindle nut should be able to move freely the spindle nut motion will be limited by the cotter pin 13 1 11 LUG Nuts BOLTS Lug nuts are prone to loosen right after a wheel is mounted to a hub When driving on a remounted wheel check to see if the l
40. bled When driving a new trailer or after wheels have been remounted check to make sure they are tight after the first 10 25 and 50 miles of driving and before each tow thereafter Failure to perform this check can result in a wheel parting from the trailer and a crash leading to death or serious injury A Avantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting WARNING Lug nuts are prone to loosen after initial installation which can lead to death or serious injury Check lug nuts for tightness on a new trailer or when wheel s have been remounted after the first 10 25 and 50 miles of driving WARNING Improper lug nut torque can cause a wheel parting from the trailer leading to death or serious injury Be sure lug nuts are tight before each tow 2 1 8 OVERLOAD The total weight of the load you put in or on the trailer plus the empty weight of the trailer itself must not exceed the trailers Gross Vehicle Weight Rating GVWR If you do not know the empty weight of the trailer you must measure it at a commercial scale In addition you must distribute the load in the trailer such that the load on any tire or axle does not exceed the tire load rating or the Gross Axle Weight Rating GAWR WARNING An overloaded trailer can result in loss of control of the trailer leading to death or serious injury Do no
41. c Transmission Oil Cooler The automatic transmission of a towing vehicle handles more power when a trailer is being towed Inadequate cooling will shorten transmission life and may result in sudden transmission failure Ask the tow vehicle dealer if it is necessary to install a separate oil cooler for the automatic transmission Fire Extinguisher It is sensible to have a fire extinguisher in the tow vehicle Emergency Flares and Emergency Triangle Reflectors It is wise to carry these warning devices even if you are not towing a trailer It is particularly important to have these when towing a trailer because the hazard flashers of your towing vehicle will not operate for as long a period of time when the battery is running both the trailer lights and tow vehicle lights 4 2 Coupling and Uncoupling the Trailer A secure coupling or fastening of the trailer to the tow vehicle is essential A loss of coupling may result in death or serious injury Therefore you must understand and follow all of the instructions for coupling The following parts are involved in making a secure coupling between the trailer and tow vehicle Coupler A device on the tongue of the trailer that connects to the hitch on the tow vehicle Hitch A device on the tow vehicle that supports the weight of the trailer tongue and pulls the trailer The coupler attaches to the hitch Safety chains If the coupler connection comes loose the safety chains can keep the
42. ck the trailer taillights stoplights turn signals and any clearance lights for proper operation WARNING Improper operating taillights stoplights and turn signals can cause collisions Check all lights before each tow 13 1 7 ACCESSORY BATTERY Your trailer may be outfitted with an accessory battery that operates lighting electric landing gear or other accessories An accessory battery may be kept charged either by the tow vehicle or by the generator or shore power See the manual for the accessory battery A disconnect switch may be provided to disconnect the accessory battery when you do not plan to be using the trailer for an extended period such as seasonal storage If there is no disconnect switch then remove the cables from the battery terminals The accessory battery must be kept in a charged condition during storage The battery could freeze and break if it becomes discharged 13 1 8 TIRES Before each tow be sure the tire pressure is at the value indicated on the sidewall Tire pressure must be checked while the tire is cold Do not check the tire pressure immediately after towing the trailer Allow at least three hours for a tire to cool if the trailer has been towed for as much as one mile Replace the tire before towing the trailer if the tire treads have less than 1 16 inch depth or the telltale bands are visible A bubble cut or bulge in a side wall can result in a tire blowout Inspect both side walls of each
43. d go to the connection at the tow vehicle and test there Prove that the tow vehicle is putting out the correct voltages on the correct connector pins Use a bulb with two test leads or you can also use a LED light emitting diode tester that plugs into the tow vehicle plug receptacle 14 2 Common Tow Vehicle Problems If the test light never comes on when testing the vehicle plug then the problem is probably a broken ground wire or a bad ground connection Trace the white wire from the plug back to where it connects to the vehicle frame If it doesn t connect to the vehicle frame then connect it there A good connection requires a crimp termination round lug on the end of the wire a metal screw or 87 A auwantada Auto amp Trailer Sales 5 jj0 Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting a bolt and a self locking nut and a star washer The frame connection point should be bare shiny metal To test this connection point turn on the vehicle s running lights and connect the test bulb between this point on the frame and the running light wire pin on the vehicle plug The light should come on If this connection point is good then check for an open or broken ground wire If the test light fails to come on at one pin then you probably have an open wire going to the jack Retrace the wire back to its connection point and ensure the wire is not broken Also check to
44. d adjust the position of the tow vehicle Then lower the receiver over the ball When the drop leg base is no longer resting on the ground the towing vehicle hitch is holding all of the weight of the trailer tongue Close the lock plate on the gooseneck ball receiver Move the spring loaded lock plate locking pin to the CLOSED position Be sure the locking pin is holding the lock plate Be sure the receiver is all the way on the gooseneck ball and the lock plate is engaged A properly engaged locking mechanism will allow the coupler to raise the rear of the tow vehicle Using the trailer jack test to see that you can raise the rear of the tow vehicle by 1 inch If the gooseneck ball cannot be secured to the receiver do not tow the trailer After testing to see that the receiver is properly secured and locked to the ball retract the jack to its fully retracted position 26 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Return the drop legs to their upper positions The drop legs are held in the lowered position with a plunger pin Rotating the plunger pin while pulling it outward will cause it to come out of engagement with the drop leg and the leg will rapidly rise The drop legs are heavily spring loaded in the lowered position They will rapidly return to the upper position when released and can inflict serious
45. d by the hitch and continue retracting the jack to its fully retracted position 4 2 1 5 RIG THE SAFETY CHAINS Visually inspect the safety chains and hooks for wear or damage Replace worn or damaged safety chains and hooks before towing Rig the safety chains so that they cross underneath the coupler loop around a frame member of the tow vehicle or to holes provided in the hitch system but do not attach them to an interchangeable part of the hitch assembly and have enough slack to permit tight turns but not be close to the road surface so if the trailer uncouples the safety chains can hold the tongue up above the road 21 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 4 2 1 6 ATTACH AND TEST ELECTRIC BREAKAWAY BRAKE SYSTEM If the coupler or hitch fails a properly connected and working breakaway brake system will apply electric brakes on the trailer The safety chains will keep the tow vehicle attached and as the brakes are applied at the trailer s axles the trailer tow vehicle combination will come to a controlled stop The breakaway brake system includes a battery a switch with a pullpin and a breakaway brake controller Read and follow the instructions here as well as the instructions that have been prepared by the breakaway brake controller manufacturer The breakaway brake system may be fitted wi
46. denly lose control Never exceed 60 m p h while towing the trailer 2 1 2 FAILURE TO ADJUST HANDLING WHILE TOWING A TRAILER When towing a trailer you will have decreased acceleration increased stopping distance and increased turning radius which means you must make wider turns to keep from hitting curbs vehicles and anything else that is on the inside corner In addition you will need a longer distance to pass due to slower acceleration and increased length Be alert for slippery conditions You are more likely to be affected by slippery road surfaces when driving a tow vehicle with a trailer than driving a tow vehicle without a trailer Anticipate the trailer swaying Swaying is the trailer reaction to the air pressure wave caused by passing trucks and busses Continued pulling of the trailer provides a stabilizing force to correct swaying Do not apply the brakes to correct trailer swaying Check rearview mirrors frequently to observe the trailer and traffic Use lower gear when driving down steep or long grades Use the engine and transmission as a brake Do not ride the brakes as they can overheat and become ineffective Be aware of your trailer height especially when approaching roofed areas and around trees 2 1 3 TRAILER NOT PROPERLY COUPLED TO THE HITCH It is critical that the trailer be securely coupled to the hitch and that the safety chains are correctly attached Uncoupling may result in death or se
47. e breakaway brake system can result in a runaway trailer leading to death or serious injury if the coupler or hitch fails The breakaway cable must be connected to the tow vehicle and NOT to any part of the hitch Before towing the trailer test the function of the breakaway brake system If the breakaway brake system is not working do not tow the trailer Have it serviced or repaired 2 1 6 MISMATCH OF TRAILER AND HITCH Use of a hitch with a load rating less than the load rating of the trailer can result in loss of control and may lead to death or serious injury Use of a tow vehicle with a towing capacity less than the load rating of the trailer can result in loss of control and may lead to death or serious injury Be sure your hitch and tow vehicle are rated for the Gross Vehicle Weight Rating GVWR of your trailer A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 2 1 7 UNSAFE TIRES LUG NUTS OR WHEELS Trailer tires and wheels are more likely to fail than car tires and wheels because they carry a heavier load Therefore it is essential to inspect the trailer tires before each tow If a tire has a bald spot bulge cuts is showing any cords or is cracked replace the tire before towing If a tire has uneven tread wear take the trailer to a dealer service center for diagnosis Uneven tread wear
48. e Through Pump Leakage Through Valve Leakage at Cylinder Ed 13 1 12 3 E MOTOR RUNS SLOW AND SLUGGISH POSSIBLE CAUSE Low Charged Battery Low Voltage Pressure Relief Value Leakage at Cylinder Insufficient Oil in Reservoir Cylinder Overload Corroded Terminals ff Oe OO o 86 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 14 WIRING BASICS 7 WAY CONNECTOR WIRING DIAGRAM 7 WAY MOLDED TRAILER 7 WAY THERMO PLASTIC SEALED CAR CONNECTOR amp CABLE METAL CONNECTOR h m ri GREEN GREEN BLACK GREEN RED RED E BLUE WHITE Pati ira 1 Common Ground 2 Electric Brake 3 Tail amp License Common Ground Electric Brake Tail amp License White 10 gauge _Blue 12 gauge Green 14 gauge Black 10 gauge __BatteryCharge 4 Battery Charge Red 14 gauge Left Stop amp Turn 5 Left Stop amp Turn Brown 14 gauge Right Stop amp Turn 6 Right Stop amp Turn Yellow 14 gauge Center Auxilia 7 Center Auxilia 4 WAY CONNECTOR WIRING DIAGRAMI 4 WAY FLAT CONNECTOR 14 1 Tow Vehicle Wiring When something goes wrong with the lights on a trailer it is assumed the problem is in the trailer Frequently the problem is in the tow vehicle First of all make sure all the lights are working correctly on the tow vehicle Once this is verifie
49. e operation of the electric brakes on the trailer Manufacturers provide electric brakes on trailers with a GVWR of 3 000 pounds or more The brake controller is not the same as the safety breakaway brake system that may be equipped on the trailer Side View Mirrors The size of the trailer that is being towed and your state law regulations determine the size of the mirrors However some states prohibit extended mirrors on a tow vehicle except while a trailer is actually being towed In this situation detachable extended mirrors are necessary Check with your dealer or the appropriate state agency for mirror requirements Heavy Duty Flasher A Heavy Duty Flasher is an electrical component that may be required when your trailer turn signal lights are attached to the tow vehicle flasher circuit 17 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Electrical Connector An Electrical Connector connects the light and brake systems on the trailer to the light and brake controls on the towing vehicle Heavy Duty Engine Oil Cooling System The tow vehicle engine works harder when a trailer is being towed Depending on the size of the trailer you may need to install a separate engine oil cooler Inadequate cooling may result in sudden engine failure Ask the tow vehicle dealer if it is necessary to install a heavy duty cooling system Automati
50. eakaway brake system will apply electric brakes on the trailer The breakaway brake system includes a battery a switch with a pullpin and a breakaway brake controller Read and follow the instructions here as well as the instructions that have been prepared by the breakaway brake controller manufacturer The breakaway brake system may be fitted with a charging facility that draws power from the tow vehicle If the electrical system on your tow vehicle does not provide power to the 34 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting breakaway brake battery you must periodically charge the battery to keep the breakaway brake system in working order Visually inspect the breakaway brake system for broken parts Connect the pullpin cable to the tow vehicle Do not connect to kingpin or its support Remove the pullpin from the switch and test tow the trailer at less than 5 m p h You should feel the trailer resisting being towed but the wheels will not necessarily be locked Immediately replace the pullpin The breakaway brake system battery discharges rapidly when the pullpin is removed WARNING An ineffective breakaway brake system can result in a runaway trailer leading to death or serious injury if the coupler fails Connect the breakaway cable to the tow vehicle and NOT to the kingpin or its suppor
51. eceiver is tight to the trailer All receiver fasteners must be visibly solid against the trailer frame 25 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Release the jack handle or crank from its holder Make certain the ground beneath the jack foot is firm enough to support the tongue weight Rotate the handle crank clockwise to raise the bottom surface of the gooseneck to be above the top of the gooseneck ball 4 2 2 1 PREPARE THE BALL RECEIVER AND GOOSENECK BALL Release the lock plate on the gooseneck ball receiver With the spring loaded lock plate locking pin in the OPEN position rotate the lock plate to a position that allows the gooseneck ball to enter the receiver Slowly back up the tow vehicle so that the gooseneck ball is aligned under the gooseneck ball receiver WARNING If the trailer drops during coupling death or serious injury may result There must be no one under the trailer or coupler before or during the coupling operation 4 2 2 2 COUPLE THE TRAILER TO THE TOW VEHICLE Rotate the jack handle counter clockwise This will retract the jack causing the gooseneck ball receiver to drop down so it can fully engage the gooseneck ball and transfer the weight of the trailer tongue to the towing vehicle hitch If the receiver does not line up with the ball raise the receiver again an
52. ecified by manufacturer 22 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 4 2 1 7 CONNECT THE ELECTRICAL CABLES Connect the trailer lights to the tow vehicle s electrical system using the electrical connectors Check all lights for proper operation Clearance and Running Lights Turn on tow vehicle headlights Brake Lights Step on tow vehicle brake pedal Turn Signals Operate tow vehicle directional signal lever Check electric brakes for proper operation If your trailer has electric brakes your tow vehicle should have an electric brake controller that sends power to the trailer brakes Before towing the trailer on the road you must operate the brake controller while trying to pull the trailer in order to confirm that the electric brakes operate While towing the trailer at less than 5 m p h manually operate the electric brake controller in the tow vehicle cab You should feel the operation of the trailer brakes WARNING Improper electrical connection between the tow vehicle and the trailer will result in inoperable lights and electric brakes and can lead to collision Before each tow e Check that the taillights brake lights and turn signals work e Check that the electric brakes work by operating the brake controller inside the tow vehicle 4 2 1 8 UNCOUPLING THE BALL HITCH TRAILER WI
53. eel the trailer resisting being towed but the wheels will not necessarily be locked Immediately replace the pullpin The breakaway brake system battery discharges rapidly when the pullpin is removed 28 A dAwantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting WARNING An ineffective or inoperative breakaway brake system can result in a runaway trailer leading to death or serious injury if the coupler or hitch fails Connect the breakaway cable to the tow vehicle and NOT to the safety chain safety chain receiver gooseneck ball or gooseneck ball support Test the function of the breakaway brake system before towing the trailer Do not tow the trailer if the breakaway brake system is not working Have it serviced or repaired Do not tow the trailer with the breakaway brake system ON because the brakes will overheat which can result in permanent brake failure If you do not use your trailer for three or more months or during winter months Store the battery indoors and Charge the battery every three months Replace the breakaway brake battery at intervals recommended by the battery manufacturer s instructions 4 2 2 5 CONNECT THE ELECTRICAL CABLES Connect the trailer lights to the tow vehicle s electrical system using the electrical connectors Check all lights for proper operation Clearance and Runn
54. ewall for improved steering response and better overall handling on dry pavement 61 A aAawantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting R The R stands for radial Radial ply construction of tires has been the industry standard for the past 20 years Next number This two digit number is the wheel or rim diameter in inches If you change your wheel size you will have to purchase new tires to match the new wheel diameter Next number This two or three digit number is the tire s load index It is a measurement of how much weight each tire can support You may find this information in your owner s manual If not contact a local tire dealer Note You may not find this information on all tires because it is not required by law M S The M S or M S indicates that the tire has some mud and snow capability Most radial tires have these markings hence they have some mud and snow capability Speed Rating The speed rating denotes the speed at which a tire is designed to be driven for extended periods of time The ratings range from 99 miles per hour mph to 186 mph These ratings are listed below Note You may not find this information on all tires because it is not required by law 106 mph 118 mph H 130 mph W 168 mph For tires with a maximum speed capability over 149 mph tire manufacturers s
55. g 13 1 2 DROP RAMP TORSION SPRINGS If your trailer has a drop ramp door the weight of the door may be partially held by a torsion spring and a cable Stand to the side when opening the drop ramp You could be hurt if you are behind the drop ramp and the counterbalance does not work Inspect the cable and cable ends regularly for fraying and signs of loosening If released a torsion spring can inflict serious injury The torsion spring and cable are not user serviceable The torsion spring must be serviced by a person who is trained in torsion spring safety 13 1 3 TRAILER BRAKES 13 1 3 1 BRAKE SHOES Properly functioning brake shoes are essential to ensure safety You must have your dealer inspect these components at least once per year or each 12 000 miles The brake shoes must be adjusted after the first 200 miles of use and each 3 000 miles thereafter Most axles are fitted with a brake mechanism that will adjust the brakes during a hard stop Read your axle and brake manual to see how to adjust your brakes 13 1 3 2 MANUALLY ADJUSTING BRAKE SHOES Some braking systems are not automatically adjusted by hard stopping These brakes require manual adjustment The following steps apply to adjust most manually adjustable brakes Read your axle and brake manual to see how to adjust your brakes Jack up the trailer and secure it on adequate capacity jack stands Be sure the wheel and brake drum rotate freely Remove the ad
56. g dropleg jack make certain ground surface below jack base will support the trailer tongue load Rotate the drop leg plunger pin handle so that the plunger pin is released from the drop leg Push down on the drop leg base with your foot to place a drop leg to the desired lowered position Rotate the plunger pin handle so that the plunger pin is attempting to engage the drop leg Slowly raise your foot permitting the drop leg to raise The plunger pin will engage a hole in the drop leg The drop legs are heavily spring loaded in the lowered position They will rapidly return to the upper position when released and can inflict serious bruises scrapes or pinching Keep your feet shins and hands well clear of the drop legs and drop leg bases when releasing the drop legs Always wear shoes or boots while performing this operation Be sure the plunger pin is fully engaged Push it in by hand if necessary The bent part of the plunger pin handle must be touching the plunger pin housing If your trailer has two drop leg jacks lower them both to the same level following the above instructions 30 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting If the drop legs are not set at the same level one of the drop leg jacks can be overloaded and can be damaged Release the handle or crank from its holder and engage it with
57. he axle systems are designed to carry Both placards and certification labels are permanently attached to the trailer near the left front 58 A auwantada Auto amp Trailer Sales Talar Onna s Monidi Everything you need to know about trailer safety hook up loading amp Trouble shooting 9 63 2 UNDERSTANDING TIRE PRESSURE AND LOAD LIMITS Tire inflation pressure is the level of air in the tire that provides it with load carrying capacity and affects the overall performance of the vehicle The tire inflation pressure is a number that indicates the amount of air pressure measured in pounds per square inch psi a tire requires to be properly inflated You will also find this number on the vehicle information placard expressed in kilopascals kpa which is the metric measure used internationally Manufacturers of passenger vehicles and light trucks determine this number based on the vehicle s design load limit that is the greatest amount of weight a vehicle can safely carry and the vehicle s tire size The proper tire pressure for your vehicle is referred to as the recommended cold inflation pressure As you will read below it is difficult to obtain the recommended tire pressure if your tires are not cold Because tires are designed to be used on more than one type of vehicle tire manufacturers list the maximum permissible inflation pressure on the tire sidewall This number is the greatest amount of
58. he tire s wear rate The higher the treadwear number is the longer it should take for the tread to wear down For example a tire graded 400 should last twice as long as a tire graded 200 Traction Letter This letter indicates a tire s ability to stop on wet pavement A higher graded tire should allow you to stop your car on wet roads in a shorter distance than a tire with a lower grade Traction is graded from highest to lowest as AA A B and O Temperature Letter This letter indicates a tire s resistance to heat The temperature grade is for a tire that is inflated properly and not overloaded Excessive speed underinflation or excessive loading either separately or in combination can cause heat build up and possible tire failure From highest to lowest a tire s resistance to heat is graded as A B or O 63 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 1 5 9 3 Additional Information on Light Truck Tires Please refer to the following diagram Maximum load Load amp inflation when range used as a dual Severe snow conditions Light truck tire Maximum load amp inflation when Load inflation used as a single limits Tires for light trucks have other markings besides those found on the sidewalls of passenger tires LT The LT indicates the tire is fo
59. he trailer are Driving too fast for the conditions maximum speed when towing a trailer is 60 m p h Overloading the trailer or loading the trailer unevenly Trailer improperly coupled to the hitch Inadequate tow vehicle or towing hitch No braking on trailer Not maintaining proper tire pressure Not keeping lug nuts tight and Not properly maintaining the trailer structure An owner s manual that provides general trailer information cannot cover all of the specific details necessary for the proper combination of every trailer tow vehicle and hitch Therefore you must read understand and follow the instructions given by the tow vehicle and trailer hitch manufacturers as well as the instructions in this manual A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 2 TRAILER COMPONENTS All trailers are built with components produced by various manufacturers Some of these items have separate instruction manuals Where this manual indicates that you should read another manual and you do not have that manual call the specific manufacturer for a copy 2 1 Major Hazards 2 1 1 DRIVING TOO FAST With ideal road conditions the maximum speed when safely towing a trailer is 60 m p h If you drive too fast the trailer tires will overheat and possibly blowout As your speed increases you are more likely to sud
60. hould have 20 25 of 12 000 pounds on the tongue That is the example trailer would have 2 400 to 3 000 pounds on its tongue 40 A davantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Tongue Weight as a Percentage of Loaded Trailer Weight Ball Hitch or Bumper Hitch or Bumper Hitch 10 15 Gooseneck Hitch 20 25 Fifth Wheel Hitch 20 25 WARNING Improper tongue weight load distribution can result in loss of control of the trailer leading to death or serious injury Make certain that tongue weight is within the allowable range Be sure to e Distribute the load front to rear to provide proper tongue weight see chart e Distribute the load evenly right and left to avoid tire overload and e Keep the center of gravity low 7 2 Checking Tongue Weight 41 To check the tongue weight the tow vehicle and trailer must be on level ground as they will be when the trailer is being towed If you know the weight on your tow vehicle axles when you are not towing a trailer trailer tongue weight can be determined with the use of a truck axle scale A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 7 3 Securing the Cargo Since the trailer ride can be bumpy and rough you mus
61. icle This system of coupling a trailer to a tow vehicle is sometimes referred to as bumper pull A ball hitch trailer may be fitted with a tongue jack that can raise and lower the coupler The tongue jack is mounted to the A frame front or tongue part of the trailer By rotating the jack handle clockwise the jack will extend and raise the tongue of the trailer We have utilized a Ball Hitch coupler that is suitable for the size and weight of the trailer The load rating of the coupler and the necessary ball size are listed on the trailer tongue You must provide a hitch and ball for your tow vehicle where the load rating of the hitch and ball is equal to or greater than that of your trailer Also the ball size must be the same as the coupler size If the hitch ball is too small too large is underrated is loose or is worn the trailer can come loose from the tow vehicle and may cause death or serious injury THE TOW VEHICLE HITCH AND BALL MUST HAVE A RATED TOWING CAPACITY EQUAL TO OR GREATER THAN THE TRAILER Gross Vehicle Weight Rating GVWR 4 2 1 1 ITIS ESSENTIAL THAT THE HITCH BALL BE OF THE SAME SIZE AS THE COUPLER The ball size and load rating capacity are marked on the ball hitch capacity is marked on the hitch A dAwantada Auto amp Trailer Sales Jer Qyners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 4 2 1 2 BEFORE COUPLING THE TRAILER TO THE T
62. ing Lights Turn on tow vehicle headlights Brake Lights Step on tow vehicle brake pedal Turn Signals Operate tow vehicle directional signal lever Check electric brakes for proper operation If your trailer has electric brakes your tow vehicle will have an electric brake controller that sends power to the trailer brakes Before towing the trailer on the road you must operate the brake controller while trying to pull the trailer in order to confirm that the electric brakes operate While 29 A dAwantada Auto amp Trailer Sales zala ma Niel Everything you need to know about trailer safety hook up loading amp Trouble shooting towing the trailer at less than 5 m p h manually operate the electric brake controller in the tow vehicle cab You should feel the operation of the trailer brakes 4 2 2 6 UNCOUPLING THE GOOSENECK TRAILER WITH DROP LEG JACK eft e e Oe Oo o Sd Follow these steps to uncouple your gooseneck hitch trailer from the tow vehicle Block trailer tires to prevent the trailer from rolling before jacking the trailer up Disconnect the electrical connector Disconnect the breakaway brake switch cable Promptly replace the pin in the switchbox Disconnect the safety chains from the tow vehicle Move the spring loaded gooseneck receiver lock plate locking pin to the OPEN position Rotate the lock plate to a position that permits the gooseneck ball to exit the receiver Before releasin
63. justing hole cover from the adjusting slot on the bottom of the brake backing plate With a screwdriver or standard adjusting tool rotate the starwheel of the adjuster assembly to expand the brake shoes Adjust the brake shoes out until the pressure of the linings against the drum makes the wheel very difficult to turn Note Your trailer maybe equipped with drop spindle axles See axle manual for your axle type You will need a modified adjusting tool for adjusting the brakes in these axles With drop spindle axles a modified adjusting tool with about an 80 degree angle should be used Rotate the starwheel in the opposite direction until the wheel turns freely with a slight drag Replace the adjusting hole cover Repeat the above procedure on all brakes Lower the trailer to the ground gt o gt 78 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 13 1 3 3 BRAKES ELECTRIC Two different types of electric brakes may be present on the trailer an emergency electric breakaway system which acts only if the trailer comes loose from the hitch and the breakaway pin is pulled The other brake is an electric braking system that acts whenever the brakes of the tow vehicle are applied 13 1 3 3 A BREAKAWAY BRAKE 13 1 3 3 A i BREAKAWAY BATTERY This battery supplies the power to operate the trailer brakes if
64. k the brake lights They are the same circuits The last check should be the running lights Leave the battery charger on the white wire pin and move the other lead to the running light wire pin or turn the tow vehicle s right turn signal off and turn on the parking lights All the trailer running lights should be on If not check the bulbs then the ground connections then the wiring 14 5 Strange Trailer Light Problems Some of the strange symptoms of bad ground connections are things like the lights on the wrong side of the trailer come on the lights on one side are brighter the lights are on but they re dim Here s what s happening when these type of symptoms show up Some of the bulbs on the trailer have two filaments in them One filament is for the running lights the other is for the turn brake lights Each filament has a wire going to it Both filaments use the same return the base case which is connected to the vehicle s frame or ground Under normal situations current hole current flows from the positive terminal of the battery through the wire to the filament through the filament through the base through the ground through the vehicle frame back to the battery negative terminal If the ground connection is bad then the current is disrupted The current hole current flows from the positive terminal of the battery through the wire to the filament through the filament through the base then it should go out to
65. k the fire extinguisher at least once a month If the fire extinguisher is discharged even partially it must be recharged Follow the fire extinguisher manufacturer s instructions for recharging the extinguisher after use 11 1 Gasoline Powered Electric Generators If your trailer is equipped with a generator you must have and follow the generator manufacturer s instructions Carbon monoxide gas is present in the exhaust of all gasoline and diesel engines as well as from other burning fuels such as LP gas and charcoal Carbon Monoxide is an odorless gas that can cause death Be certain exhaust from any running engine or burning fuels can not accumulate in areas where people or animals are likely to be present Conditions that can redirect exhaust fumes are for example Being drawn in by fans or ventilators operated in a trailer Prevailing wind Being trapped between adjacent trailers vehicles or buildings or Being trapped between or in a snow bank or other materials that can redirect fumes You must have an operating carbon monoxide detector inside the accommodation spaces of your trailer 67 A dAwantada Auto amp Trailer Sales zala ee re Everything you need to know about trailer safety hook up loading amp Trouble shooting WARNING Operating gasoline and diesel generators can lead to death or serious injury by e Carbon Monoxide e Fire and Explosion e Electrocution Have a wo
66. l of these items D Tires wheels and lug nuts Coupler secured and locked see the Coupling and Uncoupling the trailer section starting on page 21 of this manual e Safety chains properly rigged to tow vehicle not to hitch or ball see the Coupling the Tow Vehicle chapter starting on page 17 of this manual Test of lights Tail Stop and Turn e Safety breakaway switch cable fastened to tow vehicle not to safety chains see the Coupling to the Tow Vehicle chapter starting on page 17 of this manual Cargo properly loaded balanced and tied down see the Loading the Trailer chapter starting at Section 3 of this manual Tongue weight Doors and gates latched and secured Fire extinguisher Flares and reflectors D D D Oocvoo 8 2 Make Regular Stops After each 50 miles or one hour of towing stop and check the following items Coupler secured Safety chains are fastened and not dragging Cargo secured Cargo door latched and secured Ooco 47 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 9 TIRE SAFETY INFORMATION This portion of the User s Manual contains tire safety information as required by 49 CFR 575 6 9 1 1 SECTION 2 1 CONTAINS STEPS FOR DETERMINING CORRECT LOAD LIMIT TRAILER 9 1 2 SECTION 2 2 CONTAINS STEPS FOR DETERMINING CORRECT LOAD LIMIT T
67. mp Trailer Sales 5 jje Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 9 4 Glossary Of Tire Terminology 9 5 Accessory weight The combined weight in excess of those standard items which may be replaced of automatic transmission power steering power brakes power windows power seats radio and heater to the extent that these items are available as factory installed equipment whether installed or not 9 6 Bead The part of the tire that is made of steel wires wrapped or reinforced by ply cords and that is shaped to fit the rim 9 7 Bead separation This is the breakdown of the bond between components in the bead 9 8 Bias ply tire A pneumatic tire in which the ply cords that extend to the beads are laid at alternate angles substantially less than 90 degrees to the centerline of the tread 9 9 Carcass The tire structure except tread and sidewall rubber which when inflated bears the load 9 10 Chunking The breaking away of pieces of the tread or sidewall 9 11 Cold inflation pressure The pressure in the tire before you drive 9 12 Cord The strands forming the plies in the tire 9 13 Cord separation The parting of cords from adjacent rubber compounds 51 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 9 14 Cracking Any parting withi
68. mperage and modulation Structure gt Roof Vents Clean dirt Section 13 1 1 gt Windows buildup lubricate hinges and slides Inspect tread and Section 13 1 8 Tires sidewalls thoroughly Section 13 1 8 Replace tire when treads are worn when sidewall has a bulge or sidewall 73 A auwantada Auto amp Trailer Sales 5 je Qyners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting is worn 74 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Inspection And Service Each Year or 12 000 Miles Item Inspection Manual Section Service Reference Brakes all Check for scoring Section 13 1 3 1 types and wear See Brake Mfr s gt Shoes Replace per Manual manufacturer s specifications Jack Drop leg Grease gears at See Jack Mfr s top Manual Structure Inspect all frame Section 12 2 1 gt Frame members bolts amp members rivets Repair or replace damaged worn gt or broken parts Section 13 1 1 2 Welds Inspect all welds Repair as needed Wheels Check and confirm free Section 13 1 10 gt Sealed running Bearings Replace if not Hubs sealed bearings are not Section 13 1 10 1 serviceable See Axle Mfr s UNSEALED Manual Bearings Disassemble Hubs inspect Section 13 1 9 assemble and gt Rims rep
69. n so they do not present a protrusion that can injure your horse Tighten any loose or protruding screws in the walls Remove or secure loose objects i e butt bars saddles tack and equipment so that items will not move during towing Inspect for cracks at the welds on the divider hinges and the welds on the tie rings If you are able to open any cracks in or near these welds by lifting the dividers or by twisting the tie rings have the weld repaired before loading your horses 7 4 2 2 LOADING THE HORSE TRAILER The trailering of horses introduces many variables that are not present in the trailering of non living cargo Horses are prone to take flight when they feel threatened or pain In the confines of a trailer the flight response can cause serious injury or death to a human handler Even experienced and docile horses can be frightened 44 A dAwantada Auto amp Trailer Sales Jer Qyners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Horses must be slowly acclimated to trailering Be sure the horse s first trips are short trips so you can gauge its reaction Some will take to the experience easily but others will strongly protest You must act according to your horse s demeanor WARNING When a horse is frightened it is capable of inflicting serious injury or death to a human handler Know your horse s temperament before attempting to trailer it
70. n or gooseneck coupler 9 27 Non pneumatic rim A mechanical device which when a non pneumatic tire assembly incorporates a wheel supports the tire and attaches either integrally or separably to the wheel center member and upon which the tire is attached 53 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 9 28 Non pneumatic spare tire assembly A non pneumatic tire assembly intended for temporary use in place of one of the pneumatic tires and rims that are fitted to a passenger car in compliance with the requirements of this standard 9 29 Non pneumatic tire A mechanical device which transmits either directly or through a wheel or wheel center member the vertical load and tractive forces from the roadway to the vehicle generates the tractive forces that provide the directional control of the vehicle and does not rely on the containment of any gas or fluid for providing those functions 9 30 Non pneumatic tire assembly A non pneumatic tire alone or in combination with a wheel or wheel center member which can be mounted on a vehicle 9 31 Normal occupant weight This means 68 kilograms 150 lbs times the number of occupants specified in the second column of Table of 49 CFR 571 110 9 32 Occupant distribution The distribution of occupants in a vehicle as specified in the third column of Table of 49 CFR 571
71. n the tread sidewall or inner liner of the tire extending to cord material 9 14 1 CT A pneumatic tire with an inverted flange tire and rim system in which the rim is designed with rim flanges pointed radially inward and the tire is designed to fit on the underside of the rim in a manner that encloses the rim flanges inside the air cavity of the tire 9 15 Curb weight The weight of a motor vehicle with standard equipment including the maximum capacity of fuel oil and coolant and if so equipped air conditioning and additional weight optional engine 9 16 Extra load tire A tire designed to operate at higher loads and at higher inflation pressures than the corresponding standard tire 9 17 Groove The space between two adjacent tread ribs Gross Axle Weight Rating The maximum weight that any axle can support as published on the Certification VIN label on the front left side of the trailer Actual weight determined by weighing each axle on a public scale with the trailer attached to the towing vehicle Gross Vehicle Weight Rating The maximum weight of the fully loaded trailer as published on the Certification VIN label Actual weight determined by weighing trailer on a public scale without being attached to the towing vehicle Hitch Weight The downward force exerted on the hitch ball by the trailer coupler Innerliner The layer s forming the inside surface of a tubeless tire that contains the inflating medium
72. ned to work in synchronization with the brakes on the tow vehicle Do not use either brake system alone to stop the combined tow vehicle and trailer When the tow vehicle and trailer braking systems are synchronized both braking systems contribute to slowing and the tongue of the trailer will neither dive nor rise sharply WARNING If trailer and tow vehicle brakes do not work properly together death or serious injury can occur Road test the brakes in a safe area at no more than 30 m p h before each tow 66 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 11 ACCESSORIES This chapter provides some basic information for the safe operation of several accessories For many accessories the manufacturer of the accessory has also provided instructions You must read and follow these instructions before using the accessory The following accessories are described in this section gt Gasoline or LP and Diesel Generators gt Accessory Battery gt Shore Power connections which provide power by plugging the trailer in to an external source of electrical power gt Vending or Accessory Doors gt Electric powered Landing Gear Many accessories introduce the risk of fire If you have an accessory on your trailer make sure you have a fire extinguisher charged and ready before operating the accessory Chec
73. ng amp Trouble shooting WARNING Damaged or loose D rings can break allowing cargo to become loose inside the trailer Loose cargo can shift the center of gravity and result in loss of control of the trailer Inspect D rings and test them for looseness before loading cargo Do not use a damaged or loose D ring to secure cargo 7 4 1 2 LOADING THE ENCLOSED TRAILER Enclosed trailers may be fitted with a drop ramp door The weight of the drop ramp door is partially held by a spring and cable counterbalance assembly If this assembly is out of adjustment or worn out it will not provide the expected assistance for slow and careful lowering and raising of the ramp Carefully lower the drop ramp to the ground Load the cargo up the drop ramp and into the trailer Secure the cargo to the trailer using appropriate straps chains and tensioning devices Close the drop ramp door and secure the trailer door catch using a linchpin or other locking device so that the catch and door cannot open while the trailer is being towed gt gt o WARNING If the door opens your cargo may be ejected onto the road resulting in death or serious injury to other drivers Always secure the door latch after closing Place a linchpin in the catch 7 4 2 LOADING HORSES HORSE TRAILER Couple the trailer to the tow vehicle before loading This is essential for the bumper pull trailer because the tongue
74. ng your vehicle and trailer in control and for all the damage that is caused if you lose control of your vehicle and trailer 14 A auwantada Auto amp Trailer Sales Trailer Ommers Manual Everything you need to know about trailer safety hook up loading amp Trouble shooting 3 SAFE TRAILER TOWING GUIDELINES o gt ad gt gt o Recheck the load tiedowns to make sure the load will not shift during towing Before towing check coupling safety chain safety brake tires wheels and lights Check the lug nuts or bolts for tightness Check coupler tightness after towing 50 miles Adjust the brake controller to engage the trailer brakes before the tow vehicle brakes Your dealer can make this adjustment Use your mirrors to verify that you have room to change lanes or pull into traffic Use your turn signals well in advance Allow plenty of stopping space for your trailer and tow vehicle Do not drive so fast that the trailer begins to sway due to speed Never drive faster than 60 m p h Allow plenty of room for passing A rule of thumb is that the passing distance with a trailer is 4 times the passing distance without a trailer Shift your automatic transmission into a lower gear for city driving Use lower gears for climbing and descending grades Do not ride the brakes while descending grades they may get so hot that they stop working Then you will potentially have a runaway tow vehicle and t
75. o amp Trailer Sales Talar Onna s Monidi Everything you need to know about trailer safety hook up loading amp Trouble shooting 12 INSPECTION SERVICE amp MAINTENANCE 12 1 Inspection Service amp Maintenance Summary Charts You must inspect maintain and service your trailer regularly to insure safe and reliable operation If you cannot or are unsure how to perform the items listed here have your dealer do them Note In addition to this manual also check the relevant component manufacturer s manual 70 A auwantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Inspection and Service before Each Use coupler having trailer GVW Rating Grease Check locking device amp replace Item Inspection Manual Section Service Reference Breakaway Check operation Sections 4 2 1 6 Brakes 4 2 2 4 Breakaway Fully charged Sections 4 2 1 6 Battery connections 4 2 2 4 clean Section 13 1 3 3 A i Brakes all types Check operation Section 10 3 Shoes Adjust Section 10 2 13 1 3 2 Check for cracks Section 2 2 1 1 Coupler and pits and flats Hitch Ball Replace w ball amp Section 2 2 1 2 Section 2 2 1 3 amp 13 1 4 1 Gooseneck Ball Check for cracks pits and flats Replace w ball amp coupler having trailer GVW Rating Grease Check locking device amp replace when worn
76. ometimes use the letters ZR For those with a maximum speed capability over 186 mph tire manufacturers always use the letters ZR U S DOT Tire Identification Number This begins with the letters DOT and indicates that the tire meets all federal standards The next two numbers or letters are the plant code where it was manufactured and the last four numbers represent the week and year the tire was built For example the numbers 3197 means the 31 week of 1997 The other numbers are marketing codes used at the manufacturer s discretion This information is used to contact consumers if a tire defect requires a recall Tire Ply Composition and Materials Used The number of plies indicates the number of layers of rubber coated fabric in the tire In general the greater the number of plies the more weight a tire can support Tire manufacturers also must indicate the materials in the tire which include steel nylon polyester and others 62 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Maximum Load Rating This number indicates the maximum load in kilograms and pounds that can be carried by the tire Maximum Permissible Inflation Pressure This number is the greatest amount of air pressure that should ever be put in the tire under normal driving conditions 9 63 9 2 UTQGS INFORMATION Treadwear Number This number indicates t
77. oting 5 RAISE THE DROP LEG JACK A trailer having a fifth wheel coupler will be outfitted with one or two drop leg jacks for raising and lowering the fifth wheel coupler Because we use several drop leg jack mechanisms the general instructions below may vary slightly from the jack manufacturer s instructions Rotate the jack handle counter clockwise This will slowly retract the jack and transfer the weight of the trailer tongue to the towing vehicle When the drop leg base is no longer resting on the ground the towing vehicle hitch is holding all of the weight of the trailer tongue Continue retracting the jack to its fully retracted position Return the drop legs to their upper positions The drop legs are held in the lowered position with a plunger pin Rotating the plunger pin while pulling it outward about inch will cause it to come out of the engagement with the drop leg and the leg will rapidly raise Raise the Tailgate Pick up the trailer wheel blocks The drop legs are heavily spring loaded in the lowered position They will rapidly return to the upper position when released and can inflict serious bruises scrapes or pinching Keep your feet shins and hands well clear of the drop legs and drop leg bases when releasing the drop legs Always wear shoes or boots while performing this operation 5 1 1 1 ATTACH AND TEST THE BREAKAWAY BRAKE SYSTEM If the coupler fails a properly connected and working br
78. r operation of the latching mechanism When replacing a ball the load rating must match or exceed the GVWR of the trailer 13 1 4 2 GOOSENECK The gooseneck receiver on the trailer connects to a hitch mounted ball on the towing vehicle The receiver ball and hitch transfer the towing forces between the tow vehicle and the trailer Before each tow coat the ball with a thin layer of automotive bearing grease to reduce wear and ensure proper operation and check the locking device that secures the receiver to the ball for proper operation See the gooseneck ball receiver manufacturer s manual for other inspection and maintenance activities If you see or can feel evidence of wear such as flat spots pitting or corrosion on the ball or receiver immediately have your dealer inspect them to determine the proper action to prevent possible failure of the ball and receiver system When replacing a ball the load rating must match or exceed the GVWR of the trailer 80 A dAwantada Auto amp Trailer Sales Jer Qyners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 13 1 5 LANDING LEG OR JACK If a grease fitting is present you must use a grease gun to lubricate the jack mechanism Grease the gears in the top of hand cranked jacks once a year by removing the top of the jack and pumping or hand packing grease into the gears 13 1 6 LIGHTS AND SIGNALS Before each tow che
79. r and propane also need to be considered The weight of fully filled propane containers is considered part of the weight of the trailer before it is loaded with cargo and is not considered part of the disposable cargo load Water however is a disposable cargo weight and is treated as such If there is a fresh water storage tank of 100 gallons this tank when filled would weigh about 800 pounds If more cargo is being transported water can be off loaded to keep the total amount of cargo added to the vehicle within the limits of the GVWR so as not to overload the vehicle Understanding this flexibility will allow you the owner to make choices that fit your travel needs When loading your cargo be sure it is distributed evenly to prevent overloading front to back and side to side Heavy items should be placed low and as close to the axle positions as reasonable Too many items on one side may overload a tire The best way to know the actual weight of the vehicle is to weigh it at a public scale Talk to your dealer to discuss the weighing methods needed to capture the various weights related to the trailer This would include the weight empty or unloaded weights per axle wheel hitch or king pin and total weight Excessive loads and or underinflation cause tire overloading and as a result abnormal tire flexing occurs This situation can generate an excessive amount of heat within the tire Excessive heat may lead to tire failure It is the air press
80. r light trucks or trailers ST An ST is an indication the tire is for trailer use only Max Load Dual kg Ibs at kPa psi Cold This information indicates the maximum load and tire pressure when the tire is used as a dual that is when four tires are put on each rear axle a total of six or more tires on the vehicle Max Load Single kg Ibs at kPa psi Cold This information indicates the maximum load and tire pressure when the tire is used as a single Load Range This information identifies the tire s load carrying capabilities and its inflation limits 9 64 Tire Safety Tips 9 65 Preventing Tire Damage e Slow down if you have to go over a pothole or other object in the road Do not run over curbs or other foreign objects in the roadway and try not to strike the curb when parking 64 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 9 66 Tire Safety Checklist e Check tire pressure regularly at least once a month including the spare e Inspect tires for uneven wear patterns on the tread cracks foreign objects or other signs of wear or trauma e Remove bits of glass and foreign objects wedged in the tread e Make sure your tire valves have valve caps e Check tire pressure before going on a long trip e Do not overload your vehicle Check the Tire Information and Loading Placard or User s Manual
81. r or hitch fails a properly connected and working breakaway brake system will apply electric brakes on the trailer The safety chains will keep the tow vehicle attached and as the brakes are applied at the trailer s axles the trailer tow vehicle combination will come to a controlled stop The breakaway brake system includes a battery a switch with a pullpin and a breakaway brake controller Read and follow the instructions here as well as the instructions that have been prepared by the breakaway brake controller manufacturer The breakaway brake system may be fitted with a charging facility that draws power from the tow vehicle If the electrical system on your tow vehicle does not provide power to the breakaway brake battery you must periodically charge the battery on the trailer to keep the breakaway brake system in working order Visually inspect the breakaway brake system for broken parts Connect the pullpin cable to the tow vehicle so that the pullpin will be pulled out before all of the slack in the safety chains is taken up Do not connect the pullpin cable to a safety chain or a safety chain receiver or to the gooseneck ball or its support This would keep the breakaway brake system from operating when it is needed Contact the hitch manufacturer or installer if you are not certain of the hitch provisions for breakaway brake connection Remove the pullpin from the switch and test tow the trailer at less than 5 m p h You should f
82. railer To conserve fuel don t use full throttle to climb a hill Instead build speed on the approach Slow down for bumps in the road Take your foot off the brake when crossing the bump Do not brake while in a curve unless absolutely necessary Instead slow down before you enter the curve and power through the curve This way the towing vehicle remains in charge Do not apply the brakes to correct extreme trailer swaying Continued pulling of the trailer and even slight acceleration will provide a stabilizing force Make regular stops about once each hour Confirm that e the coupler is secure to the hitch and is locked e electrical connections are made e there is appropriate slack in the safety chains e there is appropriate slack in the breakaway switch pullpin cable e the tires are not visibly low on pressure and e the cargo is secure and in good condition 15 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 4 COUPLING TO THE TOW VEHICLE Follow all of the safety precautions and instructions in this manual to ensure safety of persons cargo and satisfactory life of the trailer 4 1 Use an Adequate Tow Vehicle and Hitch If the vehicle or hitch is not properly selected and matched to the Gross Vehicle Weight Rating GVWR of your trailer you can cause an accident that could lead to death or serious inj
83. railer Sales zala ee re Everything you need to know about trailer safety hook up loading amp Trouble shooting WARNING Do not transport flammable explosive poisonous or other dangerous materials in your trailer Exceptions e Fuel in the tanks of vehicles that are being towed e Fuel stored in proper containers used in trailer living quarters for cooking e Fuel stored in the tank of an on board generator 2 1 12 INOPERABLE BRAKES LIGHTS OR MIRRORS Be sure that the electric brakes and all of the lights on your trailer are functioning properly before towing your trailer Electric brakes and lights on a trailer are controlled via a connection to the tow vehicle generally a multi pin electrical connector Check the trailer tail lights by turning on your tow vehicle headlights Check the trailer brake lights by having someone step on the tow vehicle brake pedal while you look at trailer lights Do the same thing to check the turn signal lights If your trailer has electric brakes your tow vehicle will have an electric brake controller that sends power to the trailer brakes Before towing the trailer on the road you must operate the brake controller while trying to pull the trailer in order to confirm that the electric brakes operate While towing the trailer at less than 5 m p h manually operate the electric brake controller in the tow vehicle cab You should feel the operation of the trailer brakes Standard mi
84. resent Read the Loading the Horse Trailer section at page 43 of this manual for specific instructions regarding trailering of horses 2 1 14 1 HAZARDS FROM ACCESSORIES The Accessories chapter of this manual contains some information about certain optional accessories that may be on your trailer Read and follow all of these instructions before operating the accessories The major hazards from some of these accessories are 2 1 14 2 SHORE POWER Shore Power is the name given to connecting your trailer to a source of electrical power using an extension cord specifically designed for that purpose 2 1 15 REPORTING SAFETY DEFECTS If you believe that your vehicle has a defect that could cause a crash or could cause injury or death you should immediately inform the National Highway Traffic Safety Administration NHTSA in addition to your manufacturer If NHTSA receives similar complaints it may open an investigation and if it finds that a safety defect exists ina group of vehicles it may order a recall and remedy campaign However NHTSA cannot become involved in individual problems between you your dealer or manufacturer To contact NHTSA you may either call the Auto Safety Hotline toll free at 1 800 424 9393 or 366 0123 in Washington D C area or write to NHTSA U S Department of Transportation Washington DC 20590 You can also obtain other information about motor vehicle safety from the Hotline 11
85. rious injury A dAwantada Auto amp Trailer Sales Jer Qyners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 2 1 4 INCORRECT USE OF SAFETY CHAINS If your trailer comes loose from the hitch for any reason we have provided safety chains so that control of the trailer can still be maintained WARNING Improper rigging of the safety chains can result in loss of control of the trailer and tow vehicle leading to death or serious injury if the trailer uncouples from the tow vehicle e Fasten chains to frame of tow vehicle Do not fasten chains to any part of the hitch unless the hitch has holes or loops specifically for that purpose e Cross chains underneath hitch and coupler with enough slack to permit turning and to hold tongue up if the trailer comes loose 2 1 5 INCORRECT USE OF BREAKAWAY BRAKE Your trailer may also be equipped with a breakaway brake system that can apply the brakes on your trailer if your trailer comes loose from the hitch for any reason You will have a separate set of instructions for the breakaway brake if your trailer is so equipped The safety chains and breakaway brake system must be in good condition and properly rigged to be effective A Avantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting WARNING An ineffective or inoperativ
86. rking carbon monoxide detector in the accommodation spaces before operating a generator Do not refuel a running generator or refuel near ignition sources 11 2 Accessory Battery Your trailer may be outfitted with an accessory battery that operates lighting or other accessories An accessory battery may be kept charged either by the tow vehicle or by the generator or shore power A disconnect switch may be provided to disconnect the accessory battery when you do not plan to be using the trailer for an extended period such as seasonal storage If there is no disconnect switch then remove the cables from the battery terminals The accessory battery must be kept in a charged condition during storage The battery could freeze and break if it becomes discharged 11 3 Shore Power Shore power is the delivery of electrical power from another source to a power inlet on your trailer To connect your trailer to this source you must have a shore power cord specifically designed for this use DO NOT USE AN ORDINARY EXTENSION CORD The trailer end of this cord is connected to an electrical box on the trailer sometimes referred to as a motor base This box contains circuit breakers and or fuses and may include a power converter to change the shore power usually 110 volts alternating current into 12 volts direct current Do not assume that a shore power supply is correctly wired Shore power may have incorrect polarity or not have
87. rouble shooting WARNING Improper tongue weight load distribution can result in loss of control of the trailer leading to death or serious injury Make certain that tongue weight is within the allowable range Be sure to e Distribute the load front to rear to provide proper tongue weight see chart e Distribute the load evenly right and left to avoid tire overload and e Keep the center of gravity low Towing stability also depends on keeping the center of gravity as low as possible Load heavy items on the floor and over the axles but do not exceed the axle load rating GAWR When loading additional items be sure to maintain even side to side weight distribution and proper tongue weight 2 1 10 SHIFTING CARGO Since the trailer ride can be bumpy and rough you must secure your cargo so that it does not shift while the trailer is being towed If the door latch is equipped with a catch that has a hole for a linchpin use a linchpin to prevent the door latch from opening If the door opens your cargo may be ejected onto the road 2 1 11 INAPPROPRIATE CARGO Your trailer may be designed for specific cargo for example only for horses If your trailer is designed for specific cargo only carry that cargo in the trailer A utility trailer must not be used to carry certain items such as people containers of hazardous substances or containers of flammable substances A dAwantada Auto amp T
88. rrors usually do not provide adequate visibility for viewing traffic to the sides and rear of a towed trailer You must provide mirrors that allow you to safely observe approaching traffic 2 1 13 HAZARDS FROM MODIFYING YOUR TRAILER Essential safety items can be damaged by altering your trailer Even simply driving a nail or screw to hang something can damage an electrical circuit or other feature of the trailer 10 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Before making any alteration to your trailer contact your dealer or Manufacturer and describe the alteration you are contemplating Alteration of the trailer structure or modification of mechanical electrical heating or other systems on your trailer must be performed only by qualified technicians who are familiar with the system as installed on your trailer 2 1 14 HAZARDS TO HORSES HORSE TRAILERS Before hauling a horse you must be aware of its temperament The layout of a horse trailer is designed to safely contain your horse The trailer is equipped with stall dividers and tie rings to secure the horse and may have a rubber floor Restraining a horse without using a combination of a tie strap and stall dividers may result in serious injury or death to the horse Before loading your horse inspect the interior of the horse trailer to insure that no hazards are p
89. rse lead the horse secure the horse close and lock the stall divider After the last horse has been loaded lock any unused dividers in the CLOSED across the trailer position Double check that each horse is tied to the trailer and each stall divider is LOCKED in the CLOSED position 45 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting If your trailer is fitted with a butt bar or butt strap to keep the horse away from the door hook and lock the butt bar in place Close the trailer Remove the door holdbacks and swing the hinged doors to a closed position or raise the drop ramp Secure the trailer door catch with a linchpin or similar device so that the catch and door cannot open while the trailer is being towed If your trailer is fitted with feed doors close and secure them Check the horses after 5 to 10 miles or 10 minutes of towing and then at least once per hour thereafter Open a feed door or other access and look for signs of stress cuts or injury WARNING Horses may kick when back door is opened Stay clear when opening back door 7 4 3 LOADING CARGO DUMP TRAILER With the trailer wheels chocked to prevent rolling couple the trailer to the tow vehicle before loading The tongue of a bumper pull trailer can rise during loading before the cargo is properly distributed Your trailer has a breakaw
90. s Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting Figure 2 2 Warning Labels SECURE ALL DOOR AND GATE LATCHES BEFORE MOVING TRAILER UTO001 LOW CLEARANCE WARNING To protect you and others against death or serious injury all of the labels shown above must be on the trailer and must be legible If any of these labels are missing or cannot be read call your manufacturer for replacement labels You will need to provide them with the number shown at the bottom of the label s in order for them to send the correct one s A auwantada Auto amp Trailer Sales 5 jje Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 2 1 16 TRAILER TOWING GUIDE Driving a vehicle with a trailer in tow is vastly different from driving the same vehicle without a trailer in tow Acceleration maneuverability and braking are all diminished with a trailer in tow It takes longer to get up to speed you need more room to turn and pass and more distance to stop when towing a trailer You will need to spend time adjusting to the different feel and maneuverability of the tow vehicle with a loaded trailer Because of the significant differences in all aspects of maneuverability when towing a trailer the hazards and risks of injury are also much greater than when driving without a trailer You are responsible for keepi
91. s the life of your tires These adjustments require special equipment and should be performed by a qualified technician 60 A Avantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 9 63 8 TIRE REPAIR The proper repair of a punctured tire requires a plug for the hole and a patch for the area inside the tire that surrounds the puncture hole Punctures through the tread can be repaired if they are not too large but punctures to the sidewall should not be repaired Tires must be removed from the rim to be properly inspected before being plugged and patched 9 63 9 TIRE FUNDAMENTALS Federal law requires tire manufacturers to place standardized information on the sidewall of all tires This information identifies and describes the fundamental characteristics of the tire and also provides a tire identification number for safety standard certification and in case of a recall 9 63 9 1 INFORMATION ON PASSENGER VEHICLE TIRES Please refer to the diagram below P The P indicates the tire is for passenger vehicles Next number This three digit number gives the width in millimeters of the tire from sidewall edge to sidewall edge In general the larger the number the wider the tire Next number This two digit number known as the aspect ratio gives the tire s ratio of height to width Numbers of 70 or lower indicate a short sid
92. s used only to rapidly move the drop leg base into contact with the ground Continue to extend the jack s making sure that the ground is providing stable and level support for the trailer Turn the crank two or three turns to take some of the weight of the coupling Do not raise the fifth wheel off the kingpin plate After the jack s are extended enough to permit driving the tow vehicle away disengage the jack handle from its shaft and return it to its holder Do NOT drive the tow vehicle yet Open the fifth wheel locks by gt pulling the release handle or gt using a separate pipe release handle to engage the solid stud on the secondary lock Slowly drive the tow vehicle away from the trailer Raise the tow vehicle tailgate 38 A dAwantada Auto amp Trailer Sales zala ma Niel Everything you need to know about trailer safety hook up loading amp Trouble shooting 7 LOADING THE TRAILER VVVV Improper trailer loading causes many accidents and deaths To safely load a trailer you must consider Overall load weight Load weight distribution Proper tongue weight and Securing the load properly To determine that you have loaded the trailer within its rating you must consider the distribution of weight as well as the total weight of the trailer and its contents The trailer axles carry most of the total weight of the trailer and its contents Gross Vehicle Weight or GVW
93. see if it has a clean mechanical sound connection that is protected from the weather elements If in doubt redo the connection If the test light comes on at too many pins on the vehicle s plug then the wires are probably shorted together somewhere Retrace the wires back to their connection points and look for places where two or more wires are pinched together If the wires are good make sure the connection points are not shorted If the connections are physically right next to each other separate them a couple of inches to avoid the potential for a short circuit If the test light comes on at the wrong pin then the wires are probably connected to the wrong connection points Retrace the wires to the connection points and reconnect them correctly One of the things to keep in mind about tow vehicles is they are not all alike 14 3 Trailer Wiring The lights on a trailer are an extension of the tow vehicle lights The wiring for these lights start at the tongue of the trailer The ground wire or white wire from the trailer plug connects to the trailer frame The ground connection can be a defective mechanical connection which can lead to problems If in doubt redo the connection to ensure a clean mechanical sound connection that is protected from the elements To relieve any strain on the ground wire splice in a short length of additional wire and use a cable clamp to secure the wire to the trailer tongue 14 4 Trailer Troubleshooting
94. side of the coupler with a thin layer of automotive bearing grease Using the jack raise the coupler above the ball height Open the coupler locking mechanism Ball couplers have a locking mechanism with an internal moving piece and an outside handle In the open position the coupler is able to drop fully onto the hitch ball See the coupler instructions for details of placing the coupler in the open position Slowly back up the tow vehicle so that the hitch ball is near or aligned under the coupler if the trailer jack has raised the coupler 4 2 1 4 COUPLE THE TRAILER TO THE TOW VEHICLE Lower the trailer until the coupler fully engages the hitch ball If the coupler does not line up with the hitch ball adjust the position of the tow vehicle Engage the coupler locking mechanism In the engaged position the locking mechanism securely holds the coupler to the hitch ball Insert a pin or lock through the hole in the locking mechanism Be sure the coupler is all the way on the hitch ball and the locking mechanism is engaged A properly engaged locking mechanism will allow the coupler to raise the rear of the tow vehicle Using the trailer jack test to see that you can raise the rear of the tow vehicle by 1 inch after the coupler is locked to the hitch If the coupler cannot be secured to the hitch ball do not tow the trailer Call your dealer for assistance Lower the trailer so that its entire tongue weight is hel
95. step does not have to be repeated 2 Locate the GVWR Gross Vehicle Weight Rating of the trailer on your trailers VIN Certification label 3 Subtract the empty weight of your trailer from the GVWR stated on the VIN label That weight is the maximum available cargo capacity of the trailer and may not be safely exceeded 9 3 Steps for Determining Correct Load Limit Tow Vehicle 1 Locate the statement The combined weight of occupants and cargo should never exceed XXX lbs on your vehicle s placard 2 Determine the combined weight of the driver and passengers who will be riding in your vehicle 3 Subtract the combined weight of the driver and passengers from XXX kilograms or XXX pounds 4 The resulting figure equals the available amount of cargo and luggage capacity For example if the XXX amount equals 1400 Ibs and there will be five 150 lb passengers in your vehicle the amount of available cargo and luggage capacity is 650 Ibs 1400 750 5 x 150 650 Ibs 5 Determine the combined weight of luggage and cargo being loaded on the vehicle That weight may not safely exceed the available cargo and luggage capacity calculated in Step 4 6 If your vehicle will be towing a trailer load from your trailer will be transferred to your vehicle Consult the tow vehicle s manual to determine how this weight transfer reduces the available cargo and luggage capacity of your vehicle 50 A auwantada Auto a
96. t Before towing the trailer test the function of the breakaway brake system If the breakaway brake system is not working do not tow the trailer have it serviced or repaired Do not tow the trailer with the breakaway brake system ON because the brake will overheat which can result in permanent brake failure WARNING Failure to replace the pullpin will prevent brakes from working leading to loss of control serious injury or death If you do not use your trailer for three or more months or during winter months Store the battery indoors and Charge the battery every three months 35 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 6 REPLACE THE BREAKAWAY BRAKE BATTERY AT INTERVALS RECOMMENDED BY THE BATTERY MANUFACTURER 6 1 1 1 CONNECT THE ELECTRICAL CABLES Connect the trailer lights to the tow vehicle s electrical system using the electrical connectors Check all lights for proper operation Clearance and Running Lights Turn on tow vehicle headlights Brake Lights Step on Tow vehicle brake pedal Turn Signals Operate tow vehicle directional signal lever Check brakes for proper operation While towing the trailer at less than 5 m p h manually operate the electric brake controller in the tow vehicle cab You should feel the operation of the trailer brakes 6 1 1 2 WARNING
97. t exceed the trailer Gross Vehicle Weight Rating GVWR or an axle Gross Axle Weight Rating GAWR Do not load a trailer so that the weight on any tire exceeds its rating A avwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 2 1 9 UNSAFE LOAD DISTRIBUTION Uneven load distribution can cause tire wheel axle or structural failure Be sure your trailer is properly loaded A proper weight distribution is equal right to left and creates a tongue weight that is in the proper range for stable trailer handling For tandem and triple axle trailers it is necessary to know or check that no axle is overloaded In the table below the second column notes the rule of thumb percentage of total weight of the trailer plus its cargo Gross Vehicle Weight or GVW that should appear on the tongue of the trailer For example a trailer with a gooseneck hitch with a loaded weight of 12 000 pounds should have 20 25 of 12 000 pounds on the tongue That is the example trailer would have 2 400 to 3 000 pounds on its tongue Tongue Weight as a Percentage of Loaded Trailer Weight BallHitch or Bumper Hitch or Bumper Ps Hitch 10 15 Gooseneck Hitch 20 25 Fifth Wheel Hitch 20 25 A dAwantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loading amp T
98. t secure your cargo so that it does not shift while the trailer is being towed WARNING Shifting cargo can result in loss of control of the trailer and can lead to death or serious injury Tie down all loads with proper sized fasteners ropes straps etc 7 4 Loading Cargo Enclosed Trailer Couple the trailer to the tow vehicle before loading The tongue of a bumper pull trailer can rise during loading before the cargo is properly distributed To measure the tongue weight you will have to uncouple the trailer after it is loaded Do not transport people containers of hazardous substances cans or containers of flammable substances However fuel in the tank of an off road vehicle or a car or motorcycle etc may be carried inside of your enclosed cargo trailer WARNING Do not transport people inside the trailer even if it has living quarters The transport of people puts their lives at risk and may be illegal 7 4 1 1 PREPARING THE TRAILER FOR LOADING Before loading cargo into your enclosed trailer inspect the interior of the trailer Enclosed trailers may be fitted with D ring hold downs and or a track system that can be used to secure the cargo Inspect the D rings and track system for looseness or signs of bending before loading the cargo onto the trailer 42 A dAwantada Auto amp Trailer Sales Jer Omers Maral Everything you need to know about trailer safety hook up loadi
99. t the trailer does not drop to a lower position Do not over tighten because the tube can be deformed After tightening the bolts tighten the jam nuts on the bolts WARNING Improper gooseneck height adjustment can result in overloaded tires blowout and loss of control leading to death or serious injury Adjust the gooseneck receiver so that the loaded trailer is level Before attempting to tow the trailer Be sure the size and rating of the gooseneck ball match the size and rating of the receiver Gooseneck balls and receivers are marked with their size and ratings Wipe the gooseneck ball clean and inspect it visually and by feeling for flat spots cracks and pits WARNING A worn cracked or corroded gooseneck ball can fail while towing and may result in death or serious injury Before coupling the trailer inspect the gooseneck ball for wear corrosion and cracks and replace worn or damaged gooseneck ball Rock the ball to make sure it is tight to the ball support and visually check that the gooseneck ball nut is solid against the lock washer and ball support frame Wipe the inside and outside of the receiver clean and inspect it visually for cracks and feel the inside of the receiver for worn spots and pits If any of these conditions exist have the receiver replaced before coupling the trailer Lubricate the inside of the gooseneck ball receiver with automotive bearing grease Be sure the r
100. th a charging facility that draws power from the tow vehicle If the electrical system on your tow vehicle does not provide power to the breakaway brake battery you must periodically charge the battery to keep the breakaway brake system in working order Connect the pullpin cable to the tow vehicle so that the pullpin will be pulled out before all of the slack in the safety chains is taken up Do not connect the pullpin cable to a safety chain or to the hitch ball or hitch ball assembly This would keep the breakaway brake system from operating when it is needed Remove the pullpin from the switch and test tow the trailer at less than 5 m p h You should feel the trailer resisting being towed but the wheels will not necessarily be locked If the brakes do not function do not tow the trailer until brakes are repaired Immediately replace the pullpin The breakaway brake system battery discharges rapidly when the pullpin is removed Do not tow the trailer with the breakaway brake system ON because the brakes will overheat which can result in permanent brake failure WARNING Failure to replace the pullpin will prevent brakes from working leading to loss of control serious injury or death If you do not use your trailer for three or more months or during winter months gt Store the battery indoors and gt Charge the battery every three months Replace the breakaway brake battery according to the battery at intervals sp
101. ue for horse trailers having floors subjected to urine and manure The urine and manure are corrosive to the flooring and other structural parts of the trailer Using a power washer and a detergent solution wash the floor and walls of the trailer 13 1 1 1 FASTENERS AND FRAME MEMBERS Inspect all of the fasteners and structural frame members for bending and other damage cracks or failure Repair or replace any damaged fastener and repair the frame member If you have any questions about the condition or method of repair of fasteners or frame members get the recommendation of or have the repair done by your dealer The various fastener types used on your trailer are Bolts which are used mainly for attaching door and gate hinges to the trailer body Screws which are used to attach the sides and roof panels of the body to each other and to the frame of the trailer 13 1 1 2 WELDS All welds can crack or fail when subjected to heavy loads or movement of cargo that was not properly tied to prevent movement Any time that you know or suspect that the trailer has been subjected to heavy loads or movement of cargo immediately inspect the welds and fasteners for damage To prevent severe damage to your trailer inspect all of the welds for cracks or failure at least once a year 77 A auwantada Auto amp Trailer Sales 5 jje Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shootin
102. uel economy e Increase the life of your tires This booklet presents a comprehensive overview of tire safety including information on the following topics e Basic tire maintenance e Uniform Tire Quality Grading System e Fundamental characteristics of tires e Tire safety tips Use this information to make tire safety a regular part of your vehicle maintenance routine Recognize that the time you spend is minimal compared with the inconvenience and safety consequences of a flat tire or other tire failure 9 63 Safety First Basic Tire Maintenance Properly maintained tires improve the steering stopping traction and load carrying capability of your vehicle Under inflated tires and overloaded vehicles are a major cause of tire failure Therefore as mentioned above to avoid flat tires and other types of tire failure you should maintain proper tire pressure observe tire and vehicle load limits avoid road hazards and regularly inspect your tires 9 63 1 FINDING YOUR VEHICLE S RECOMMENDED TIRE PRESSURE AND LOAD LIMITS Tire information placards and vehicle certification labels contain information on tires and load limits These labels indicate the vehicle manufacturer s information including e Recommended tire size e Recommended tire inflation pressure e Vehicle capacity weight VCW the maximum occupant and cargo weight a vehicle is designed to carry e Front and rear gross axle weight ratings GAWR the maximum weight t
103. ug nuts are tight after the first 10 25 and 50 miles of driving and before each tow thereafter WARNING Lug nuts are prone to loosen after initial installation which can lead to death or serious injury Check lug nuts for tightness on a new trailer or when wheel s have been remounted after the first 10 25 and 50 miles of driving WARNING Metal creep between the wheel rim and lug nuts will cause rim to loosen and could result in a wheel coming off leading to death or serious injury Tighten lug nuts before each tow Tighten the lug nuts to the proper torque for the axle size on your trailer to prevent wheels from coming loose Use a torque wrench to tighten the fasteners If you do not have a torque wrench tighten the fasteners with a lug wrench as much as you can then have a service garage or dealer tighten the lug nuts to the proper torque Over tightening will result in breaking the studs or permanently deforming the mounting stud holes in the wheels Be sure to use only fasteners that match the cone angle of your wheel The proper procedure for attaching you wheels is as follows Start all nuts by hand to prevent cross threading Tighten the nuts in the following sequence 83 A dAwantada Auto amp Trailer Sales Jer Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 5 BOLT 6 BOLT 8 BOLT The tightening of the nuts should be done in stages
104. ure that enables a tire to support the load so proper inflation is critical The proper air pressure may be found on the certification VIN label and or on the Tire Placard This value should never exceed the maximum cold inflation pressure stamped on the tire 9 2 1 TRAILERS 10 000 POUNDS GVWR oR LESS The weight of cargo should never exceed XXX kg or XXX Ibs TIRE SIZE COLD TIRE PRESSURE FRONT 20 5x8 0 10 E 621KPA 90PSI gt Tire and Loading Information Placard Figure 1 1 49 A auwantada Auto amp Trailer Sales 7er mers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 1 Locate the statement The weight of cargo should never exceed XXX kg or XXX Ibs on your vehicle s placard See figure 1 1 2 This figure equals the available amount of cargo and luggage load capacity 3 Determine the combined weight of luggage and cargo being loaded on the vehicle That weight may not safely exceed the available cargo and luggage load capacity The trailer s placard refers to the Tire Information Placard attached adjacent to or near the trailer s VIN Certification label at the left front of the trailer 9 2 2 1 1 2 TRAILERS OVER 10 000 POUNDS GVWR NOTE THESE TRAILERS ARE NOT REQUIRED TO HAVE A TIRE INFORMATION PLACARD ON THE VEHICLE 1 Determine the empty weight of your trailer by weighing the trailer using a public scale or other means This
105. ury If you already have a tow vehicle know your vehicle tow rating and make certain the trailer s rated capacity is less than or equal to the tow vehicle s rated towing capacity If you already have or plan to buy a trailer make certain that the tow rating of the tow vehicle is equal to or greater than that of the trailer 4 1 1 TRAILER INFORMATION MANUFACTURED BY FABRIQUE PAR GYWRIPIIBY K6 GAWRIPNBE FRONT KPA SINGLE DUAL ENIG ANAUF CUR A LA UF E OA FABRILA HUN VUILALLY TYPEITYPE FD 228 The trailer VIN tag contains the following critical safety information for the use of your trailer GAWR The maximum gross weight that an axle can support It is the lowest of axle wheel or tire rating Usually the tire or wheel rating is lower than the axle rating and determines GAWR 16 A auwantada Auto amp Trailer Sales 5 jje Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting GVWR The maximum allowable gross weight of the trailer and its contents The gross weight of the trailer includes the weight of the trailer and all of the items within it such as cargo water food and other supplies GVWR is sometimes referred to as GTWR Gross Trailer Weight Rating or MGTW Maximum Gross Trailer Weight GVWR GTWR and MGTW are all the same rating The sum total of the GAWR for all trailer axles may be less than the GVWR for the tr
106. within the tire 9 18 Innerliner separation The parting of the innerliner from cord material in the carcass 52 A auwantada Auto amp Trailer Sales 7er Omers Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting 9 19 Intended outboard sidewall The sidewall that contains a white wall bears white lettering or bears manufacturer brand and or model name molding that is higher or deeper than the same molding on the other sidewall of the tire or the outward facing sidewall of an asymmetrical tire that has a particular side that must always face outward when mounted on a vehicle 9 20 Light truck LT tire A tire designated by its manufacturer as primarily intended for use on lightweight trucks or multipurpose passenger vehicles 9 21 Load rating The maximum load that a tire is rated to carry for a given inflation pressure 9 22 Maximum load rating The load rating for a tire at the maximum permissible inflation pressure for that tire 9 23 Maximum permissible inflation pressure The maximum cold inflation pressure to which a tire may be inflated 9 24 Maximum loaded vehicle weight The sum of curb weight accessory weight vehicle capacity weight and production options weight 9 25 Measuring rim The rim on which a tire is fitted for physical dimension requirements 9 26 Pin Weight The downward force applied to the 5 wheel or gooseneck ball by the trailer kingpi
107. y gently pressing on the tire valve stem with the edge of your tire gauge until you get to the correct pressure 59 A auwantada Auto amp Trailer Sales 5 jje Quners Maral Everything you need to know about trailer safety hook up loading amp Trouble shooting e Step 4 If the tire pressure is too low note the difference between the measured tire pressure and the correct tire pressure These missing pounds of pressure are what you will need to add e Step 5 At a service station add the missing pounds of air pressure to each tire that is underinflated e Step 6 Check all the tires to make sure they have the same air pressure except in cases in which the front and rear tires are supposed to have different amounts of pressure If you have been driving your vehicle and think that a tire is underinflated fill it to the recommended cold inflation pressure indicated on your vehicle s tire information placard or certification label While your tire may still be slightly underinflated due to the extra pounds of pressure in the warm tire it is safer to drive with air pressure that is slightly lower than the vehicle manufacturer s recommended cold inflation pressure than to drive with a significantly underinflated tire Since this is a temporary fix don t forget to recheck and adjust the tire s pressure when you can obtain a cold reading 9 63 5 TIRE SIZE To maintain tire safety purchase new tires that are the same

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