National Mower 99500500-8400 Lawn Mower User Manual
Contents
1. GREAT DANE TES 29 Exclusions Items Not Covered by This Warranty e Engines and engine accessories are covered only by the engine manufacturer s warranty and are not covered by this warranty e Parts that are not genuine Gravely Turf Locke Turf or National Mower service parts are not covered by this warranty e The following maintenance service and replacement items are not covered by this warranty unless they are noted in the Limitations section above lubricants spark plugs oil oil filters air filters fuel filters brake linings brake arms shoes runners scraper blades shear bolts mower blades mower vanes headlights light bulbs knives cutters e Mufflers belts and tires on Gravely Turf Locke Turf or National Mower turf products are not covered by this warranty e Any misuse alteration improper assembly improper adjustment neglect or accident which requires repair is not covered by this warranty e This warranty applies only to products purchased in the United States including Puerto Rico and Canada In all other countries contact place of purchase for warranty information Disclaimer Ariens may from time to time change the design of its products Nothing contained in this warranty shall be construed as obligating Ariens to incorporate such design changes into previously manufactured products nor shall such changes be construed as an admission that previous designs were defective LIMITATION OF REME2. and forward over center the rear mower will be held off the ground Pull the lever up and back the rear mower is lowered for operation or storage Figure 2 Free Wheeling Valve To permit moving the machine without starting the engine a free wheeling device or tow valve has been provided The lever 1 Figure 3 is located between the engine and hydraulic pump GB 9 To open the valve to permit free wheeling simply lift up on the rod and latch washer face 2 Figure 3 onto the bracket slot Reverse the procedure for normal operation of the machine NOTE Valve must be closed to operate machine Figure 3 Interlock Switches There are three safety switches on your 8400 They are a safety precaution which will allow you to start your mower only when the traction pedal is in neutral the reel control switch is in the disengaged position and the operator is seated on the tractor If you are able to start your mower with the pedal or switch in any other position adjustment of the switched is required Traction Drive Train Power from the engine is transmitted by belt to the variable displacement pump The pump supplies hydraulic fluid to the hydraulic motors Reel Drive Power to the reels is transmitted from the engine to a countershaft shaft which is controlled by an electric clutch switched on and off at the dash PRIOR TO STARTING THE UNIT 1 Fill the gas tank with good quality clean regular unle
3. on the center front of the rear mower frame under the pull plate 3 Figure 6 and fasten securely with two fasteners already installed in pull plate 3 Install V belt 4 Figure 5 onto double groove pulley 5 Figure 5 located on the right rear side of the frame Raise rear mower belt idler 6 Figure 5 and run V belt under idler pulley as shown 4 Position rear mower clutch guard 7 Figure 5 over rear mower shaft and pulley area and fasten right side to support 8 Figure 5 with a 1 4 20 x 1 2 round head slotted screw Secure rear flange of guard with 2 1 4 20 x enough to allow you to stand to one side SEAT 1 Fasten seat slide assembly studs 1 Figure 7 into slotted holes in hinge mounting plate 2 Figure 7 four places and fasten with four 5 16 flat washers and nuts 2 Remove armrests 3 Figure 8 from box strap to the crate Attach to seat with fasteners provided Figure 5 1 2 hex head cap screws lock washers and nuts GB 13 Figure 8 STEERING WHEEL 1 Remove nut and washer 1 Figure 9 from steering shaft 2 Figure 9 2 Remove steering wheel cap 3 Figure 9 from steering wheel 4 Figure 9 3 Assemble steering wheel onto shaft positioning the steering wheel cross bars parallel when the front tires are in the straight ahead position and secure with the nut and washer Replace steering wheel cap Figure 10 GB 14
4. Steel Construction Mowing Speed 0 7 MPH 0 11 3 KM H Controls Foot operated Iraction Pedal for Forward amp Reverse Hand operated Throttle and Choke Controls Free wheeling Tow Valve Electric Clutch for Cutting Units Hand operated Parking Brake Exide Model 70 LT 60 Group Size 70 12 V Side Post 7 3 16 18 cm Height 6 3 4 17 cm Width 8 5 8 22 cm Length Battery Type Cutting Unit a Unit 3 30 76 m Long Reels Reels 8 20 3 cm Diameter 6 or 8 Blade Bearings Bedknife 13 x 64 x 2 with Upturned Lip of Alloy Steel 5 16mm x 50mm Width of Cut Lubricants ae epee erat Engine Ol Hydraulic Oi Chevron Rykon 100 or Exxon Univus N100 or Vertical Mowing Unit ee Cutting Unit 3 30 76m Long Reels Reels 10 25 4cm Diameter 26 Blades 1 2 54cm Spaced Bearings Width of Cut 84 2 13m Height of Cut 3 8 to 1 2 96 cm to 1 27 cm Adjustment GB 28 Two Year Limited Turf Products Warranty Ariens Company Ariens warrants to the original purchaser that all Gravely Turf Locke Turf or National Mower brand commercial turf products will be free from defects in material and workmanship for a period of two years after the date of purchase or 1000 hours of use whichever comes first An authorized Gravely Turf Locke Turf or National Mower dealer will repair any defect in material or workmanship and repair or replace any defective part subject to the conditions limitations and exclusions set forth herein Suc
5. This will prevent premature wear of hydraulic system components Follow the towing procedure see PUSHING OR TOWING INSTRUCTIONS on page 12 1 Check and recharge the battery according to recommendations see CHARGING A BATTERY on page 21 2 Reinstall the battery 3 Check oil level in crankcase and hydraulic oil tank 4 Fill the fuel tank with fresh gasoline Check fuel filter Check fuel shut off valve open if necessary 5 Before driving the vehicle check to make certain that the tires are properly inflated to the proper pressure CAUTION Avoid injury Explosive separation of tire and rim parts is possible when they are serviced incorrectly e Do not attempt to mount a tire without the proper equipment and experience to perform the job Do not inflate the tires above the recommended pressure Do not weld or heat a wheel and tire assembly Heat can cause an increase in air pressure resulting in an explosion Welding can structurally weaken or deform the wheel Do not stand in front or over the tire assembly when inflating Use a clip on chuck and extension hose long enough to allow you to stand to one side GB 26 7 Move the vehicle outdoors or keep doors and or windows wide open to provide sufficient ventilation before starting 6 Remove the spark plugs and wipe dry Crank the engine with spark plug removed using the starter until excess oil has been expelled through the spark engine This
6. chemicals known to the State of California to cause cancer birth defects or other reproductive harm
7. in an Emergency Braking and steering characteristics Turning radius and clearances Keep safety devices or guards in place and functioning properly NEVER modify or remove safety devices Do not operate without either entire grass catcher or the discharge guard in place Stop engine before removing grass catcher or unclogging chute Ensure Safety Interlock System is functioning properly DO NOT operate unit if safety interlock is damaged or disabled Use care when approaching blind corners shrubs trees or other objects that may obscure vision Dust smoke fog etc can reduce vision and cause an accident Mow only in daylight or good artificial light Avoid slippery surfaces Always be sure of your footing DO NOT mow on wet grass Reduced traction could cause sliding and effect the machine s stability Watch for traffic when operating near or crossing roadways Never carry passengers DO NOT try to stabilize the machine by putting your foot on the ground Never direct discharge towards persons or property that may be injured or damaged by thrown objects Use extreme caution on gravel surfaces Always stand clear of the discharge area ALWAYS disengage PTO stop unit and engine remove key engage parking brake and allow moving parts to stop before leaving operator s position Never engage PTO while raising attachment or when attachment is in raised position DO NOT operate at too fast a rate DO NOT change
8. site Web http www ariens com GB 2 STORAGE esc YZ KKR R REEE ns 26 TROUBLESHOOTING 27 SPECIFICATIONS 0000 eee 28 WARRANTY 2 2000 e ee eee 29 INTRODUCTION THE MANUAL This manual has been prepared by National Mower as an aid to users for set up operation and servicing parts Additional information will gladly be furnished by calling or writing the company Please furnish us with the Model number Serial number and date of purchase when contacting us about your machine Designations of right left front and rear are used in the position of the operator sitting in the seat Metric equivalents are provided wherever possible for users outside of the United States Carefully inspect your machine and crates for damage that could have occurred during shipment If damages or shortages are noted have the transportation company s representative note this on the bill of lading IMPORTANT Claims for shipping damages must be noted by the consignee at the point of designation and filed with the transportation company SERVICE AND REPLACEMENT PARTS When ordering replacement parts or making service inquiries know the Model and Serial numbers of your unit and engine Numbers are located on the product registration form in the unit literature package They are also printed on a Serial number label located on the frame of your unit Copyright 2008 Ariens Company PR
9. will prevent danger from plug hole Replace the plug and connect carbon monoxide gas in the exhaust the ignition lead wires 8 Start the engine but do not operate at high speed immediately after starting Allow time for it to become properly warmed and lubricated TROUBLESHOOTING ENGINE WILL NOT START The operator must be seated Check position of reel control switch on dash Switch must be in the OFF position Check to see that the traction pedal is in neutral neutral is in the center position Check all safety switches for conductivity Replace switches if necessary Check fuel in tank Check if fuel is at the end of fuel line at carburetor If not clean filter or if necessary replace fuel filter Check battery Check charge level charge or replace as needed Clean battery terminals if necessary Check spark plugs Check for spark at spark plugs check for foul conditions or replace spark plugs if necessary Refer to Briggs and Stratton engine manual for recommended spark plug and gap Check electrical wiring and safety switch operation Check wiring or check traction pedal neutral safety switch and adjust to allow current flow from the S terminal to the starter solenoid TRACTOR WILL NOT MOVE Check that parking brake is not engaged Check towing free wheeling valve to see that it is fully closed in the down position Check the linkage from the traction pedal to the pump control m
10. DY AND DAMAGES Ariens Company s liability under this warranty and under any implied warranty that may exist is limited to repair of any defect in workmanship and repair or replacement of any defective part Ariens shall not be liable for incidental special or consequential damages including lost profits Some states do not allow the exclusion of incidental or consequential damages so the above limitation or exclusion may not apply to you DISCLAIMER OF FURTHER WARRANTY Ariens Company makes no warranty express or implied other than what is expressly made in this warranty If the law of your state provides that an implied warranty of merchantability or an implied warranty of fitness for particular purpose or any other implied warranty applies to Ariens Company then any such implied warranty is limited to the duration of this warranty Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state ARIENS COMPANY Com Turf 2008 GRAVELY STENS LOCKE NATIONAL BYNORM EVERRIDE GREAT DANE ia 3 National Mower NATIONAL Aiens company 655 West Ryan Street A Brilon Wi 54110 0157 The World s Best Specialty Mowers 920 756 2141 Fax 920 756 2407 www nationalmower com amp WARNING amp A The engine exhaust from this product contains
11. E ALERT OBEY THE MESSAGE OL1253 OL3900 SIGNAL WORDS The safety alert symbols above and signal words below are used on decals and in this manual Read and understand all safety messages GB 3 DANGER IMMINENTLY HAZARDOUS SITUATION If not avoided WILL RESULT in death or serious injury WARNING POTENTIALLY HAZARDOUS SITUATION If not avoided COULD RESULT in death or serious injury CAUTION POTENTIALLY HAZARDOUS SITUATION If not avoided MAY RESULT in minor or moderate injury It may also be used to alert against unsafe practices NOTATIONS NOTE General reference information for proper operation and maintenance practices NOTE Specific procedures or information required to prevent damage to unit or attachment PRACTICES AND LAWS Practice usual and customary safe working precautions for the benefit of yourself and others Understand and follow all safety messages Be alert to unsafe conditions and the possibility of minor moderate or serious injury or death Learn applicable rules and laws in your area including those that may restrict the age of the operator REQUIRED OPERATOR TRAINING Original purchaser of this unit was instructed by the seller on safe and proper operation If unit is to be used by someone other than original purchaser loaned rented or sold ALWAYS provide this manual and any needed safety training before operation Emission Control System Certification L
12. NATIONAL MOWER The World s Best Specialty Mowers Triplex Reel Mower Owner Operator Manual Model 99500500 8400 ENGLISH 03296500 4 08 Printed in USA TABLE OF CONTENTS SAFELY RR RRR R KR ERRER RS 3 OPERATION s e X RRR R RRR RRR RRR 5 8 ASSEMBLY Re KRE RRR KRK KER oe 12 SERVICE AND ADJUSTMENTS 16 MAINTENANCE 000005 21 NON ENGLISH MANUALS Manuals in languages other than English may be obtained from your Dealer Visit your dealer or www ariens com for a list of languages available for your equipment Manuals printed in languages other than English are also available as a free download on our website http www ariens com MANUALES EN IDIOMAS DIFERENTES DEL INGLES Puede obtener manuales en idiomas diferentes del ingl s en su distribuidor Visite a su distribuidor o vaya a www ariens com para obtener una lista de idiomas disponibles para su equipo Tambi n puede imprimir manuales en idiomas diferentes del ingl s descargandolos gratuitamente de nuestra pagina Web http www ariens com MANUELS NON ANGLAIS Des manuels dans diff rentes langues sont disponibles chez votre revendeur Rendez vous chez votre revendeur ou allez sur le site www ariens com pour consulter la liste des langues disponibles pour votre quipement Les manuels imprim s dans des langues diff rentes de l anglais sont galement disponibles en t l chargement gratuit sur notre
13. ND DISASSEMBLY Use the illustrations in the Parts Manual as reference for disassembly and assembly of components Always maintain relative position of parts when disassembling Clean and lubricate individual parts and components as required BATTERY 1 Make certain the ignition switch is in the off position and the keys have been removed 2 Refer to the Mower Specifications in this manual for battery specifications 3 Connect charger leads to battery Connect the positive connector from the charger to the positive battery terminal Connect the negative connector of the charger to the negative DANGER Always wear protective glasses or goggles and protective clothing when working with batteries Always connect the ground black cable last and remove it first whenever performing any maintenance Batteries contain sulfuric acid and generate explosive mixtures of hydrogen and oxygen gases Keep any device which may cause sparks or flames away from the battery to prevent explosions Read and follow the battery manufacturer s instructions on safety maintenance and installation procedures 3 When the battery is being installed or removed make sure that the positive and negative terminals do not come in contact with metal tractor parts at the same time or severe damage may result 4 Battery connections must be kept clean and tight at all times Loose cables will cause eventual battery fai
14. ODUCT REGISTRATION The National Mower dealer must register the product at the time of purchase Registering the product will help the company process warranty claims or contact you with the latest service information All claims meeting requirements during the limited warranty period will be honored whether or not the product registration card is returned Keep a proof of purchase if you do not register your unit Customer Note If the Dealer does not register your product please fill out sign and return the product registration card to National Mower or go to www nationalmower com on the internet UNAUTHORIZED REPLACEMENT PARTS Use only National Mower replacement parts Replacing any part on this vehicle with anything other than a National Mower authorized replacement part may adversely affect the performance durability or safety of this unit and may void the warranty National Mower disclaims liability for any claims or damages whether warranty property damage personal injury or death arising out of the use of unauthorized replacement parts To locate your nearest National Mower Dealer go to www nationalmower com on the internet DEALER DELIVERY Dealer should 1 Check that all assembly and adjustments have been properly completed 2 Fill out Original Purchaser Registration Card and return the card to National Mower 3 Explain Turf Products Limited Warranty Policy 4 Explain recommended lubrication and ma
15. VER allow children to operate or play on or near unit Be alert and shut off unit if children enter area NEVER operate unit after or during the use of medication drugs or alcohol Safe operation requires your complete and unimpaired attention at all times DO NOT wear loose clothing or jewelry and tie back hair that may get caught in rotating parts Wear adequate outer garments NEVER wear open sandals or canvas shoes during operation Wear adequate safety gear protective gloves and footwear Wear proper footwear to improve footing on slippery surfaces GB 5 Always wear safety goggles or safety glasses with side shields when operating mower Moving parts can cut or amputate fingers or a hand Wrap blade s or wear gloves to service On multiblade mowers rotation of one blade will cause all blades to rotate NEVER place your hands or any part of your body or clothing inside or near any moving part while unit is running ALWAYS keep hands and feet away from all rotating parts during operation Rotating parts can cut off body parts ALWAYS keep body and hands away from pin holes or nozzles which eject hydraulic fluid under pressure DO NOT touch parts which are hot Allow parts to cool ALWAYS keep hands and feet away from all pinch points Read understand and follow all instructions in the manual and on the machine before starting Understand How to operate all controls The functions of all controls How to STOP
16. WING MOWERS 1 Remove wing mowers from crate Position on each side of tractor with the yoke pins 1 Figure 10 facing the tractor 2 Remove the two wing mower belts 2 Figure 11 fastened to the rear cutting unit and install over lower countershaft pulleys 8 Figure 11 on each side of the tractor Place belt loosely over the end of the wing mower pull yoke 4 Figure 10 3 Move left and right cutting units into position so that the yoke pins enter the pivot holes in the pull yoke NOTE Forward yoke pins must pass inside belt before attaching pins to pull yokes 4 Secure yoke pins in pull yoke with 3 4 I D flat washers and 1 4 x 1 1 2 cotter pins 5 Figure 10 Extra washers supplied are to be used as spacers if needed to allow a snug but free moving pivot connection 5 Pull cutting units forward so that the H Frames 6 Figure 10 will compress the springs 7 Figure 10 and install belts over reel pulleys 8 Figure 10 6 Compress belts by hand to check for free movement of the H frames back and forth on the H frame shafts 9 Figure 10 WING MOWER LIFT 1 Position lift chain 1 Figure 12 that has been previously attached to lift lever 2 Figure 12 so that the longest chain extends away from the tractor 2 Attach it to attachment tab 3 Figure 12 located on the middle of the front edge of the wing mower using a 3 8 24 x 1 3 4 bolt two 3 8 flat washers and two 3 8 24
17. abel NOTE Tampering with emission control and components by unauthorized personnel may result in severe fines or penalties Emission controls and components can only be adjusted by EPA and or CARB authorized service centers Contact your National Mower retailer concerning emission controls and component questions SAFETY DECALS National Mower has provided decals in many locations throughout the machine to aid the operator in identifying controlling and operating the 8400 safely and correctly It is important that all decals are clean and visible at all times Replace decals that are damaged missing or accidently painted over 1 DANGER KEEP HANDS AND FEET AWAY DANGER KEEP HANDS and FEET AWAY 2 CAUTION Read Owner Operator Manual before servicing machine Reduce ground speed when operating unit down hill Keep people away from unit while operating GB 4 VAN CAUTION REDUCE GROUND SPEED WHEN OPERATING UNIT DOWN HILL SAFETY RULES Read understand and follow all safety practices in Owner Operator Manual before beginning assembly Failure to follow instructions could result in personal injury and or damage to unit Complete a walk around inspection of unit and work area to understand e Work area Your unit e All safety decals Determine which attachments are needed and can be used safely Inspect unit before each use for missing or damaged decals and shields corr
18. ackbar and screws must be flush with the bottom of the bed knife 5 Torque shoulder nuts 35 to 40 Ibf ft 47 4 to 54 2 Nem Figure 22 LUBRICATION Figure 23 shows the top view of the 8400 with guards removed Lubricate your tractor at the recommended locations and intervals using proper lubricants so that maximum service and long life of the machine may be obtained CAUTION Before doing any work on your machine stop the engine remove the ignition key and set parking brake GB 23 Figure 23 Symbols z GREASE Lithium base or Equivalent O OIL Light machine oil GB 24 Item Frequency Location Type of No of UED Lubrication Places Day Mower nosi nonor soaring crease tinum 6 RT __ H R HH HH HR H R H Grease om H H TH oreo 3 H e H en H R H H oem H H H C1 HR H I H oroe mon H o n H C1 H H R H oroso mon H R H RH Grease tom 1 RH H Resrtover courant Grease nom 2 T _ Pewrtowertite soo Pret Grease om R e HH C1 H R TH HH C1 a GB 25 STORAGE GENERAL INSTRUCTIONS When you do not plan to use your vehicle for some time it should be stored in a dry and protected place Unnecessary exposure to the elements may deteriorate its appearance and shorten the usual service life ENGINE 1 Drain the fuel from the fuel tank and carburetor 2 Operate the engine until the gasoline in the carburetor is completely consumed 3 While the e
19. aded gasoline 85 octane minimum DO NOT use hi test gasoline or an oil gasoline mixture Fill tank to 1 inch 25 mm below filler neck Do not overfill 2 Check oil in the engine crankcase It should be filled to the full mark on the dipstick See Lubrication Specifications in this manual for recommend oil viscosity 3 Check all lubrication points outlined in LUBRICATION on page 23 4 Check tires for proper inflation See Mower Specifications in this manual 5 Check oil level in hydraulic reservoir Oil level should be the level shown on the decal on the side of the oil tank when unit is sitting on a level surface 6 Check reels for desired cutting height To provide a satisfactory cut it is essential for all reels to be accurately adjusted to exactly the same height See HEIGHT OF CUT ADJUSTMENT on page 18 NOTE If adjustments are necessary see SERVICE AND ADJUSTMENTS on page 16 for instructions OPERATING SUGGESTIONS Engine Your machine is powered by a twin cylinder 4 cycle Briggs and Stratton Vanguard engine which uses unleaded gasoline 85 octane minimum DO NOT MIX OIL WITH GASOLINE Engine speed is controlled by means of a throttle lever mounted on the dash panel A separate Engine Manual prepared by the engine manufacturer is supplied Study the manual carefully until you are familiar with the maintenance operation adjustment and repair of your equipment Proper attention to the engine manufa
20. ays set parking brake GB 6 Use a slow speed Tires may lose traction on slopes even though the brakes are functioning properly Do not bypass transmission when on a slope Tow only with a machine that has a hitch designed for towing Do not attach towed equipment except at the hitch point Follow the manufacturer s recommendations for weight limits for towed equipment and towing on slopes NEVER allow children or others in or on towed equipment On slopes the weight of the towed equipment may cause loss of control Travel slowly and allow extra distance to stop Use extra care when loading or unloading unit onto trailer or truck Secure unit chassis to transport vehicle NEVER secure from rods or linkages that could be damaged DO NOT transport machine while engine is running ALWAYS turn off power to attachment and shut off fuel when transporting unit Keep unit free of debris Clean up oil or fuel spills ALWAYS block wheels and know all jack stands are strong and secure and will hold weight of unit during maintenance Release pressure slowly from components with stored energy NEVER attempt to make any adjustments to unit while engine is running except where specifically recommended Stop engine remove key or spark plug wire and wait for all moving parts to stop before servicing or cleaning Check parking brake operation frequently Adjust and service as required ALWAYS maintain unit in safe op
21. b 99501900 220 Grit 11b 02841800 220 Grit 25 Ib 99502000 Back grind in the direction of the arrow at 25 Note centerline position of reel Figure 4 g to blades For maximum cutting efficiency grind bedknife top and front edges at 5 see Figure 20 Grind bedknife at angles shown GB 20 MAINTENANCE DANGER To avoid possible serious bodily injury before performing any adjustments maintenance or lubrication place all controls in neutral lower the mowers to the ground engage parking brake turn ignition switch off and remove key GENERAL MAINTENANCE The long trouble free life of your machine depends on the maintenance it receives Set up a maintenance program for your 8400 to cover the following points e Keep tractor and mowers clean e Keep all moving parts properly lubricated see LUBRICATION on page 23 e Keep all parts properly adjusted e Inspect for loose worn or damaged parts e Keep shields in place at all times e Keep tires properly inflated If your inspection reveals worn or damaged parts replace these parts before operating machine or before actual breakdown occurs DANGER To avoid injury from hot high pressure oil never disconnect hydraulic hoses with attachments in up position Never rub hands across tubes hoses or fittings to check for leaks Hydraulic fluid escaping under pressure can have sufficient force to penetrate the skin ASSEMBLY A
22. cturer s directions will assure maximum service life of the engine and highest operating efficiency CAUTION Under no circumstances should the engine be started with the operator or bystander standing next to tractor or cutting units 1 When starting the engine the operator must be seated on the seat reel control switch must be off and traction pedal must be in neutral the center position 2 The operator should practice mowing in an open clear area to become thoroughly familiar with the operation of the tractor 3 Never operate the mowers when they are not cutting grass as excessive friction and heat will develop between the bedknife and reel damaging the cutting edge 4 Plan your cutting pattern to avoid any unnecessary stops or sharp frequent turns Study the area to determine the best mowing procedure Consider the height of the grass and the type of terrain level hilly or rough Each condition will require certain adjustments or precautions GB 10 5 Before leaving the mower always lower wing mowers so that when exiting the mower and stepping on the non skid pads of the wing mowers it will not put excessive strain on the lift mechanism Operate at speeds which allow you to have complete control of the tractor and allow you to stop the tractor or maneuver safely in case of an emergency It is recommended that you adjust the Speed Control 7 Figure 1 to maintain a constant pedal positi
23. d slide the blade and spacer off 4 Reassemble with new blades Make sure you time the blades so they are on a Spiral and so that the blades are pointed in the proper direction Check to make sure there is no side play with the blades when tightening the nut 5 Re attach the vertical mowing unit to the frame BACKLAPPING PROCEDURE Backlapping is a very important step in maintaining sharp reel blades on the rear and wing mowers This procedure should be performed when the reel blades and bedknife become slightly rounded and the grass cannot be cut cleanly after adjusting the reel to bedknife clearance see REEL TO BEDKNIFE ADJUSTMENT on page 18 DANGER Be extremely careful not A to let tools your fingers or clothing get caught in the reels Use approved safety glasses to protect eyes from flying particles and abrasives 1 Make sure to adjust the reel to the bedknife so that the reel is parallel with the bedknife and light contact is maintained 2 Reels must be run in reverse direction to be lapped Remove drive belts and attach a backlapping machine to the reel Follow the instructions furnished by the backlapping machine manufacturer 3 With reel running apply the lapping compound using a 2 or 3 wide brush Apply the compound evenly to the mowing blades 4 Stop the reel and examine both bedknife and reel blades to see that the cutting edges are uniformly sharp If not gradually tighten nut adju
24. e desired speed see Traction Pedal on page 9 and Speed Control on page 9 Reel speed is constant and ground speed is variable with the traction pedal Do not try to regulate ground speed with engine throttle see Throttle Lever on page 9 VERTICAL MOWING UNIT 1 Be aware that the blades can extend below the roller Use care when lowering cutting units down onto a hard surface to avoid bending the blades 2 Setting the depth of cut Always start with shallow less aggressive cuts Set the blades to zero blade tips even with bottom of roller Gradually increase depth of cut until suitable results are obtained see HEIGHT OF CUT ADJUSTMENT on page 18 3 Keep in mind that vertical mowing is similar to cutting grass you can be too aggressive When vertical mowing grass that has never been vertical mowed avoid going too deep to start with Gradually increase the depth of cut to obtain desired results CAUTION Dropping the vertical cutting units abruptly could damage the blades and or the H frame of the wing mowers HILLSIDE OPERATION The 8400 has been designed for good traction and stability under normal mowing conditions However caution must still be used during slope operation especially when the grass is wet Wet grass limits traction and steering control In order to minimize the possibility of tipping the least dangerous method of operating on hills and terraces is to travel horizontally to the hill I
25. echanism to ensure complete attachment of all linkages REEL WILL NOT TURN Check for debris jammed between the reel and bedknife Check for proper belt tension Belt tension is not adjustable Test wing mower H frames so that they are sliding easily Lubricate if necessary Check rear mower belt tension idler to see that idler is moving freely Check drive belts between engine clutch and countershaft pulley to ensure that spring loaded idler is moving freely If slippage still occurs as a result of belt wear and belt stretch replace belt REEL WILL NOT CUT GB 27 Check the reel to bedknife clearance with common newspaper The reel should cut through paper the entire length of the bedknife Inspect reel and bedknife for damage Service if necessary If reel is cutting grass too high too low or not at all the reel height is out of adjustment See HEIGHT OF CUT ADJUSTMENT on page 18 If reel is cutting grass unevenly from side to side or not at all the distance between the reel and the bedknife is out of adjustment See REEL TO BEDKNIFE ADJUSTMENT on page 18 SPECIFICATIONS Ene oooO o o PTransmission o Displacement Hydrostatic Pump Wheel Drive Motors Eaton Series 2000 Hydraulic Motor Eaton Power Steering Control Unit Fuel Tank 5 Gallons 19 liters Oil Tank 5 Gallons 19 liters Approx Tires Front 16x6 50 8 28 psi 1 9 bar max Rear 23x10 50x12 20 psi 1 4bar max Frame Welded
26. ectly operating safety interlock system and deterioration of grass catchers Replace or repair as needed ALWAYS check overhead and side clearances carefully before operation ALWAYS be aware of traffic when operating along streets or curbs Keep children and people away Keep children out of work area and under watchful care of a responsible adult Keep area of operation clear of all toys pets and debris Thrown objects can cause injury Check for weak spots on docks ramps or floors Avoid uneven work areas and rough terrain Stay alert for hidden hazards or traffic DO NOT operate near drop offs ditches or embankments Unit can suddenly turn over if a wheel is over the edge of a cliff or ditch or if an edge caves in Data indicates that operators age 60 and above are involved in a larger percentage of riding mower related injuries These operators should evaluate their ability to operate the riding mower safely enough to protect themselves and others from serious injury Read the entire Owner Operator manual and other training material If the operator or the mechanic cannot read the manual it is the owner s responsibility to explain it to them Only the user can prevent and is responsible for accidents or injuries occurring to themselves other people or property Only trained adults may operate or service unit Training includes actual operation Local regulations may restrict the age of the operator NE
27. ee that H frames are sliding freely on shafts LOWER COUNTERSHAFT CHAIN ADJUSTMENTT Chain adjustment is taken up automatically by the torsion spring assisted idler arm no adjustment is necessary Periodically check to see that the idler arm is free to pivot REAR MOWER LIFT The rear mower lift height has been preset at the factory and normally will not need to be adjusted REAR MOWER DRIVE BELT TENSION Rear mower belt adjustment is provided by a spring tensioned belt idler pulley 1 Figure 16 The idler pulley must be pressing down on the lower portion of the rear mower belt 2 Figure 16 If further adjustment is necessary due to belt stretching relocate the spacers 3 Figure 16 on the pull rod pivot from position 3 to position 4 4 Figure 16 between the pull rod pivot and the rear mower pull plate If proper tension cannot be accomplished by the above procedure replace the belt GB 17 Figure 16 HEIGHT OF CUT ADJUSTMENT To set the height of cut lift the Socket Viny Cap of the Dial A Height 1 Figure 17 up then turn clockwise viewed from above to lower the roller 4 Figure 17 raise the height of cut or counter clockwise to raise the roller lower the height of cut NOTE Each quarter turn 90 of the Socket Vinyl Cap will raise or lower the height of cut by approx 1 32 A full turn 360 will raise or lower the height of cut by approx 1 8 IMPORTANT Rollers must be ad
28. eed Moving backward Push the heel of the traction pedal in with the heel of your foot to increase the reverse speed To return traction pedal to neutral rock pedal with foot until pedal stops The pedal will stay in neutral when you remove your foot DANGER To avoid possible loss of control and or serious bodily injury avoid abrupt changes in the traction pedal position Reduce speed on slopes rough terrain and in sharp turns to prevent tipping or loss of control MOWING OPERATION Check the turf area for debris that would cause damage to the reels Never operate the mowers when they are not cutting grass as excessive friction and heat will develop between the bedknife and reel which will damage the cutting edge When cutting large areas the most satisfactory method is to first cut the outer area and then mow clockwise toward the center The next time you cut it is advised that you mow in the opposite direction to prevent grass matting Cutting speeds are governed by conditions of turf type of terrain and obstacles to be encountered Operate tractor at slow speeds when turning MOWING 1 Stop tractor by releasing the traction pedal 8 Figure 1 then slowly lower the mower units CAUTION Dropping cutting units abruptly could damage them or the H frame of the wing mowers A 2 Engage reel control switch 10 Figure 1 to the On position 3 Depress traction pedal to th
29. engine governor settings or over speed engine Slow down before turning DO NOT operate in reverse unless absolutely necessary ALWAYS look down and behind before and while backing Stop and inspect equipment if you strike an object or if there is an unusual vibration Repair if necessary before restarting Never make adjustments or repairs with the engine running Mower blades are sharp and can cut you Wrap the blade s or wear gloves and use extra caution when servicing them NEVER weld or straighten mower blades Rotation of one blade may cause rotation of the other blades Take all possible precautions when leaving unit unattended Shut off engine Remove wire from spark plug and secure it away from spark plug ALWAYS remove key to prevent unauthorized use Know the weight of loads Limit loads to those you can safely control and the unit can safely handle Disengage PTO when attachment is not in use ALWAYS turn off power to attachment when travelling crossing driveways etc Mow up and down slopes not across them Keep all movements on the slope s ow and gradual Do not make sudden changes in speed or direction Avoid starting or stopping on the slope If tires lose traction disengage the blades and proceed slowly straight down the slope If you cannot back up a slope or you feel uneasy on it do not mow it DO NOT park on slopes unless necessary When parking on slope always chock or block wheels Alw
30. erating condition Maintain or replace safety and instruction labels as necessary Lower cutting deck unless a positive mechanical lock is used Use only attachments or accessories designed for your unit Check all hardware at regular intervals especially blade attachment bolts Keep all hardware properly tightened Check attachment components frequently If worn or damaged replace with manufacturer s recommended parts GB 7 OPERATION CONTROLS AND FEATURES Ignition Switch Insert key in switch 1 Figure 1 and turn clockwise as far as it will go to start engine then release The reel control switch must be in the off position and the traction control pedal in the neutral position before starting engine Do not hold key in on position more than 30 seconds at a time Key should be removed when tractor is not in use to prevent unauthorized operation See STARTING THE ENGINE on page 11 for complete starting information Hour Meter The hour meter 2 Figure 1 indicates the number of hours the tractor has been operated It can be used to keep track of maintenance intervals and the amount of time required to perform various tasks The hour meter operates whenever the ignition key is in the on position Amp Meter The amp meter 3 Figure 1 indicates the condition of the charging circuit It should indicate a positive charge during normal mowing If the amp meter indicates a negative read
31. h side to begin with Do not get the reel so tight that it is hard to turn by hand A too tight reel will wear much faster The reel should wipe or lightly touch the bedknife 3 Check to see that blades are cutting the paper all the way across using paper strips held between reel and bedknife 4 Make sure adjustment nuts are tight before mowing REEL END PLAY ADJUSTMENT As the reel is used normal wear of the reel bearings will cause end play This condition could cause uneven wear to moving parts and uneven cutting of turf GB 18 Test for end play periodically by trying to move the reel from side to side in the frame If there is any movement end play is present 1 Loosen the lock nut on the adjustment screw 7 Figure 17 and Figure 18 inside right end of the reel and turn adjustment bolt in 1 2 turn or less Do not over tighten as excessive bearing wear can occur 2 Test again for endplay If reel is rotating freely and endplay can not be detected retighten the locking nut on adjustment bolt Locknut and Screw Figure 18 VERTICAL MOWING UNIT BLADE CHANGING 1 To change the blades remove the vertical mowing unit from the frame Unbolt the 2 hangers see Parts Manual from the frame 2 Remove bearing from the hangers Remove by loosening the bearing collet setscrews NOTE It is also advised to check the bearings for wear and replace if necessary 3 Remove nut from the shaft an
32. h repair or replacement will be free of charge to the original purchaser labor and parts except as noted below One Year Limited Warranty on i Trim Mowers and Pro Vac Lawn Vacuums Ariens Company Ariens warrants to the original purchaser that all Gravely Turf Locke Turf or National Mower brand i Trim mowers or Pro Vac lawn vacuums will be free from defects in material and workmanship for a period of one year after the date of purchase or 500 hours of use whichever comes first An authorized Gravely Turf Locke Turf or National Mower dealer will repair any defect in material or workmanship and repair or replace any defective part subject to the conditions limitations and exclusions set forth herein Such repair or replacement will be free of charge to the original purchaser labor and parts except as noted below 90 Day Limited Warranty on Service Parts and Accessories Genuine Gravely Turf Locke Turf or National Mower brand service parts and accessories are war ranted to be free from defects in material and workmanship for a period of 90 days after the date of pur chase An authorized Gravely Turf Locke Turf or National Mower dealer will repair or replace any such part or accessory free of charge except for labor during that period If any product is rented or leased then the duration of these warranties shall be 90 days after the date of purchase Exceptions Limitations Exclusions Customer Responsibilities Register the pr
33. he parking brake should be set so that it holds the tractor securely The parking brake must be released before the traction pedal is engaged 1 Adjust the brake by loosening set screw in the brake knob and turning knob clockwise to tighten or counterclockwise to loosen then retighten set screw 2 After making any adjustments check brake on flat ground so that the tractor will not move with brake engaged 3 Test further by putting tractor on a hill leave the engine on and engage park brake Then test with the engine off GROUND SPEED CONTROL The speed control see Speed Control on page 9 is meant to ease operator fatigue by holding the forward speed constant Adjusting the hex head bolt 7 Figure 1 up or down and locking it with the lock nut will limit the pedal travel Swing the speed control away from the traction pedal to allow a full range of forward speeds WING MOWER BELT TENSION Proper belt tension allows mowers to be driven without slippage but with belt loose enough to be deflected slightly at a point midway between pulleys An overly tight belt will cause excessive belt wear Never allow oil or grease to get on belt which would cause slipping 1 The wing mowers must slide freely on pull rods to allow the pull yoke springs to properly tension the belt If slippage occurs it could be due to a weakened spring a stretched belt or sticky pull rods 2 Clean and oil pull rods frequently and check to s
34. ing refer to the Briggs and Stratton engine manual GB 8 Choke When starting a cold engine pull the choke control 4 Figure 1 out to close the choke plate and allow a richer fuel mixture to enter the engine After the engine starts push the choke control about halfway in to keep the choke pate partially closed Push the choke control all the way in to open the choke plate for normal operation after the engine is properly warmed A warm engine usually requires less choke to start Throttle Lever Push throttle lever 5 Figure 1 forward to increase engine speed pull back to decrease the engine speed Position throttle at full throttle or slightly less for optimum power and reel speed during mowing Traction Pedal The traction pedal 6 Figure 1 operates the forward and reverse direction and speed of the tractor Moving forward push the forward or toe of the pedal down with the ball of your foot to increase the forward speed Moving backward push the heel of the pedal down with the heel of your foot to increase the reverse speed When the traction pedal is released the machine will slow down and stop The traction pedal must be in neutral position before mower will start Speed Control The speed control 7 Figure 1 is meant to ease operator fatigue by holding the forward speed to a constant that is best suited for the present mowing conditions Adjust the hex head bolt up or down and lock it with
35. intenance Advise customer on adjustments 5 Instruct customer on controls and operation of unit Discuss and emphasize the Safety Rules Advise customer to thoroughly read and understand all operating manuals supplied with the unit DISCLAIMER reserves the right to discontinue make changes to and add improvements upon its products at any time without public notice or obligation The descriptions and specifications contained in this manual were in effect at printing Equipment described within this manual may be optional Some illustrations may not apply to your unit SAFETY WARNING This cutting machine is capable of amputating hands and feet and throwing objects Failure to observe the safety instructions in the manuals and on decals could result in serious injury or death Slopes are a major factor related to loss of control and tip over accidents Operation on all slopes requires extra caution Tragic accidents can occur if the operator is not alert to the presence of children Never assume that children will remain where you last saw them Gasoline is extremely flammable and the vapors are explosive handle with care Disengage attachment stop unit and engine remove key engage parking brake and allow moving parts to stop before leaving operator s position SAFETY ALERT SYMBOL These are safety alert symbols They mean ATTENTION YOUR SAFETY IS INVOLVED When you see this symbol BECOM
36. justed to the same height so that there will be uniform cutting the entire width of the mower The Height Adjustment Scale Decal 2 Figure 17 will provide approximate height of cut corresponding to the Socket Vinyl Cap rotation 1 Sight along the bottom edge of the Adjuster Tube 3 Figure 17 to achieve the desired cut height 2 When making large adjustments to the height of cut over 1 2 it is easier to make small incremental adjustments to each side until the desired change is achieved making sure the Socket Viny Cap is locked in position 3 If very accurate cutting heights are required place a board or other gage plate of desired thickness on a smooth flat surface under each bedknife back bar 1 Figure 22 and adjust the roller height accordingly Ot U Pa AY YTF of lcd lt n Ceti N ek IAN an Fo PE Figure 17 REEL TO BEDKNIFE ADJUSTMENT DANGER Use heavy gloves and be careful Bedknife and reel blades are very sharp The reel is adjusted to a fixed position bedknife This makes a more rugged and durable frame and retains proper adjustment longer The reel adjuster bolt 5 Figure 17 regulates the reel distance from the bedknife 1 To reduce the distance turn the locking hex nut on each side of the reel down with special reel adjustment wrench 6 Figure 17 and then tighten top nut 2 Proceed slowly and do not over adjust about 1 6 one flat of a turn on eac
37. lock nuts 3 Place bolt through the ends of the chain so that lock nuts on each side of attachment tab allow chain to move freely between the flat washers 4 Remove the cap screw 4 Figure 12 closest to the inside of the tractor fastening the shield to the cross bar 5 Attach chain bracket 5 Figure 12 positioning the bracket with the longest leg to the outside of the cutting unit 6 Fasten the shorter length of chain to the chain bracket by using similar fasteners and method described above 7 Repeat lift chain installation procedure on the other side of the mower 8 Test wing mower lift operation by pulling lift lever all the way back toward the rear Wing mowers should raise 2 to 3 above ground level Adjust if necessary by fastening through another link in the chain at the upper end of the lift assembly Figure 12 ENGINE CRANKCASE Crankcase oil has been installed at the factory However it is recommended that the engine be checked for proper oil level before starting Refer to separate engine manual included with each 8400 Mower HYDRAULIC OIL 1 The hydraulic oil has been installed in the oil tank 1 Figure 13 at the factory however it is recommended that the oil level be checked before operation GB 15 2 Check oil level by removing pipe plug 2 The 8400 is not shipped with a battery A Figure 13 The oil level should be atthe group size 70 12 volt side post battery is b
38. lure Keep terminal covers in place 5 Use soap and water to clean the battery as required Care must be taken to prevent soap and water from getting inside battery 6 Clean the terminal contact surfaces with a battery terminal brush or steel wool 7 Tighten cables securely to battery terminals 8 Apply a light coat of petroleum jelly or chassis lubricant to terminals and cable ends after assembly to prevent corrosion CHARGING A BATTERY DANGER To avoid possible injury A stand away from battery when charger is turned on A damaged battery or a battery with an internal short could explode Charge battery only in a well vented location away from sparks or open flame 1 Remove the battery from the tractor before charging 2 Be sure charger is off battery terminal 4 Charge the battery using one of the methods shown below Follow the manufacturer s instructions on the charger GB 21 Slow charge e 10 hours 5 amps e 3hours 10 amps Fast charge e 2 1 2 hours 20 amps e 1 1 2 hours 30 amps e 1 hour 45 amps 5 If when charging the battery violent gassing or spewing of electrolyte occurs or the battery case feels hot 125 F 52C reduce or temporarily halt charging to avoid damaging battery 6 Always turn charger to off before removing a charger lead from the battery JUMPER CABLES The battery on the 8400 is located at the rear of the tractor see Figure 14 1 St
39. ngine is still warm drain the oil form the crankcase and refill with fresh oil Refer to Engine Manual for manufacturer s instructions 4 After engine has cooled remove the spark plugs and put about one tablespoon of SAE 30 oil into the cylinder 5 Clean exterior of engine Paint the exposed metal or coat it with a light coating of rust preventative oil BATTERY 1 Remove battery and clean it Refer to manufacturer s manual for specific instructions 2 Maintenance free batteries should be stored in an upright position in a cool dry place Storage above 80 F 28 C greatly increases self discharge If wet batteries are discharged the electrolyte will freeze when stored below 20 F 7 C IMPORTANT The battery should be checked every 60 to 90 days while in storage and should be recharged if necessary TRACTOR Wash clean and completely lubricate the tractor Paint any exposed metal TIRES 1 Before storing the vehicle clean the tires thoroughly 2 Jack up the vehicle so that the load is off the tires If it is not jacked up check the tires at regular intervals and re inflate as necessary to keep them at the recommended maximum pressure Indicated on tire s side wall 3 Store the vehicle so that the tires are protected from sunlight STARTING THE ENGINE AFTER STORAGE If mower is cold move the mower to a heat location and allow it to come to room temperature 70 F 22 C before starting
40. oduct immediately at the time of sale If the dealer does not register the product the customer must complete the product registration card in the literature package and return it to the Ariens Company or register the unit online at www ariens com www gravely com or www nationalmower com To obtain warranty service the original purchaser must e Perform the maintenance and minor adjustments explained in the owner s manual e Promptly notify Ariens or an authorized Gravely Turf Locke Turf or National Mower service representative of the need for warranty service e Transport the product to and from the place of warranty service e Have the warranty service performed by an authorized Gravely Turf Locke Turf or National Mower service representative To find a Gravely Turf Locke Turf or National Mower authorized service representative contact Ariens at 655 W Ryan Street Brillion WI 54110 920 756 2141 www ariens com www gravely com www locketurf com www nationalmower com Limitations e Batteries are warranted only for a period of 12 months after date of purchase on a prorated basis For the first 90 days of the warranty period a defective battery will be replaced free of charge If the applicable warranty period is more than 90 days Ariens will cover the prorated cost of any defective battery for up to 12 months after the date of purchase ARIENS COMPANY Turf_2 GRAVELY STENS LOCKE NATIONAL BYNORM EVERRIDE
41. on speed and reduce the operator fatigue To obtain maximum mower life the operator must use discretion when mowing near gravel areas roadway parking areas cart paths etc By operating too close to overlapping gravel areas stones maybe picked up by the mower and forced between bedknife and reel causing wear and serious damage to the cutting unit STARTING THE ENGINE l Figure 4 Open the fuel tank shut off valve 1 Figure 4 located by the fuel tank on the fuel line by turning knob counterclockwise Sit in operator s seat Place reel control switch in the Off position Place the traction pedal in Neutral position Pull choke control out and move throttle control lever to mid position Engage parking brake Insert ignition key turn clockwise to start position and release key when engine starts Do not hold key in start position for more than 30 seconds or damage to the starter may result If engine does not start within this time release the key and wait for a few minutes before trying again 8 Push choke control in as engine warms up or immediately if engine is warm DRIVING THE TRACTOR 1 2 3 1 GB 11 Position throttle at full throttle or slightly less for optimum power and reel speed Release parking brake 9 Figure 1 Moving forward Push the toe of the traction pedal forward with the ball of your foot to increase the forward sp
42. op the engine on the vehicle with the good battery 2 Connect one jumper cable to the positive terminal on the good battery Connect the other end of the jumper cable to either the positive terminal on the dead battery or the battery side of the solenoid located on the right front of the engine 3 Connect one jumper cable to negative terminal on dead battery Connect the other end to ground frame of vehicle with the good battery BELTS For efficient performance of your machine worn or frayed belts must be replaced Check belt tensions as instructed see SERVICE AND ADJUSTMENTS on page 16 ENGINE FUEL FILTER Before servicing the fuel filter thoroughly clean outside of filter housing and fuel hoses Dirt must not be allowed to enter into fuel or fuel system Refer to manufacturer s Engine Manual for instructions ENGINE Refer to manufacturer s Engine Manual for maintenance schedule recommendations Change oil and oil filter after the first 5 to 8 hours of operation ELECTRICAL SYSTEM Make certain all terminals and connections are kept clean and properly secured 1 Check switches regularly to be sure they are kept clean and operating correctly 2 Keep wire harness and all individual wires away from moving parts hot parts or sharp edges This will prevent abrasive wear or potential short circuits 3 Exercise extreme care when working with electrical system HYDRAULIC HOSES DANGER To avoid serio
43. ottom edge of the hole as indicated by recommended such as Exide model 70 LT decal 3 Figure 13 If it becomes 60 which is approximately 7 3 16 high 6 necessary to add a small amount of oil 3 4 wide and 8 5 8 lon to the tank it is added in the pipe plug 9 hole possibly using a flexible spout funnel Recommended oil is Chevron Rykon 100 or Exxon Univus N100 or equivalent hydraulic oil Figure 14 1 Place battery in battery holder 1 Figure 14 with terminals facing the left wheel Insert the hook end of the battery support rods 2 Figure 14 into holes on ao vertical surface of the battery older 2 Place battery hold down 3 Figure 14 over support rods and upper corner of BATTERY battery and secure with flat washers and hex nuts DANGER Read and follow the 3 Attach the ground wire 4 Figure 14 to A battery manufacturer s instructions the frame as shown Connect the ignition wire 5 Figure 14 to the positive terminal of the battery 4 Attach the ground wire last to the negative terminal of the battery SERVICE AND ADJUSTMENTS Read each instruction completely and make TRACTION PEDAL sure you understand it before making any ADJUSTMENTS adjustments Follow all the safety precautions on safety maintenance and installation procedures The traction pedal 1 Figure 15 is equipped with a safety switch 2 Figure 15 anda neutral centering device The switch prevent
44. rating top front and sides 2 Cut banding from around tractor tires and armrest box 3 Separate steering wheel from tire 4 Remove rear mower belt shield from manual lift handle CAUTION Use jack stands under tractor whenever elevated off the tires Lift tractor up off axle crate supports to sufficiently assemble tire and wheels to the tractor Lower tractor down onto crate Tractor may Check Tire Pressure CAUTION Avoid injury Explosive separation of tire and rim parts is possible when they are serviced incorrectly e Do not attempt to mount a tire without the proper equipment and experience to perform the job Do not inflate the tires above the recommended pressure Do not weld or heat a wheel and tire assembly Heat can cause an increase in air pressure resulting in an explosion Welding can structurally weaken or deform the wheel Do not stand in front or over the tire assembly when inflating Use a clip on chuck now be driven or rolled off the crate To allow and extension hose long the tractor to roll freely without engaging the engine or drive a tow valve is provided It is located under the hood directly behind the engine see Figure 3 REAR MOWER 1 Remove rear mower from crate and position behind tractor as shown in Figure 5 2 Pivot rear mower lifter handle 1 Figure 5 up and back to lower rear mower pull plate on the pull yoke Position mounting flange 2 Figure 6
45. s DANGER To sate susie the engine from starting when the pedal is serious injury before making any positioned in reverse or forward The adjustments or performing ner maintenance engage parking rae device locates neutral positioning of brake place all tractor controls in oo neutral lower cutting units to the 1 Prior to adjusting for creep elevate the ground turn ignition switch off and wheels off the ground and support the vehicle with jack stands Any adjustments should be done while the hydraulic oil is warm 2 To adjust the creep of the drive wheels neutral loosen the fastener attaching the ball bearing 3 Figure 15 to the control arm 4 Figure 15 and move and secure the bearing within the slot to achieve remove key GB 16 3 Once the traction pedal has been adjusted the safety switch 2 Figure 15 may have to be re adjusted by moving the switch in the range of the slot provided in the switch bracket Adjust the switch so that the engine cannot be started unless the pedal is in the neutral position Figure 15 UPPER COUNTERSHAFT BELT ADJUSTMENT The upper countershaft belt is driven by the electric clutch located on the engine stub shaft Belt adjustment is taken up automatically by the torsion spring assisted idler arm no adjustment is necessary If belt slippage does occur check the idler arm for free movement If slippage still occurs replace belt PARKING BRAKE ADJUSTMENT T
46. ster see REEL TO BEDKNIFE ADJUSTMENT on page 18 and repeat step 3 above until the proper sharpness results 5 Rinse off the compound thoroughly with water to remove all abrasives Check for sharpness and readjust the bedknife if necessary 6 Check reel adjustment on each mower and adjust if necessary so that they will cut paper cleanly across the full length of the bedknife when paper is held 90 to the bedknife and pinched when held horizontally Many types of compounds are available for lapping However we recommend a good pre mixed water soluble compound Premixed compound saves the time required to mix eliminates the waste and is available in all grit ranges from coarse to extra fine Contact your local Dealer for types and ordering information GB 19 GRINDING PROCEDURE LAPPING COMPOUND Reel must be ground at 25 in the direction See your authorized Dealer to order these shown Figure 19 Back grind until reel lapping compounds blades are free from roundness dents and enn 2 nicks Spin grind to remove all burrs All SPP One blades must be on the same diameter 80 aril TD Gan After grinding the bedknife and reels backlap 80 Grit 11 Ib 99501400 to establish a perfect match between the 80 Grit 25 lb 59501700 bedknife and reel blades 100 Grit 10 lb 02071600 120 Grit 11 Ib 99501500 120 Grit 25 lb 99501800 180 Grit 11 Ib 99501600 180 Grit 1 Ib 02841600 180 Grit 25 l
47. t is also advisable to avoid any unnecessary turns while operating on hills Use extreme caution and travel at reduced speeds 1 When operating on hillsides or slopes maintain full engine speed but let up on the traction pedal as power requirements increase This will maintain the performance necessary 2 It is best to mow along the side of the hill starting at the bottom and working upwards This allows the machine to negotiate the slope without mowing ina downhill direction 3 It is essential for the correct tire pressure to be established for maximum traction and hillside holding PUSHING OR TOWING INSTRUCTIONS The 8400 has a free wheeling valve or tow valve which will permit moving the machine at slow speeds without starting the engine Do not exceed 2 mph 3 km h while pushing or towing see Free Wheeling Valve on page 9 AFTER OPERATION 1 Clean the entire mower after use Remove loose grass clippings and caked grass to prevent clogging the vented lubrication points and corroding parts 2 The engine is air cooled Do not permit dirt or grass clippings to accumulate on the air intake screen cylinder heads or on hydraulic pump cooling fan to prevent serious heat damage to the engine or hydraulic pump 3 If fan blades become damaged replace the fan GB 12 ASSEMBLY TRACTOR CAUTION Handle banding material with caution Use heavy leather gloves Banding is sharp 1 Remove c
48. ter 1 Figure 21 located under right fender should be changed after the first 25 hours of operation and every 250 hours thereafter l l j L Figure 21 1 Remove the old filter 2 Install new filter filling filter with oil before re installing Apply oil to the o ring of the filter prior to installation Hand tighten only 3 Run engine at idle speed with hydrostatic pump in neutral for five minutes 4 Check hydraulic oil level and add oil if necessary Frequently check oil level in the hydraulic tank Should the pump run short of oil immediate and permanent damage will result BEDKNIFE REPLACEMENT When the bedknife becomes damaged or too worn to keep sharp it must be replaced Follow the procedure below 1 The backbar 1 Figure 22 bedknife 2 Figure 22 and fasteners have been assembled at the factory under tension To ease replacement and prevent misalignment of components you may wish to clamp the leading edge of the backbar two or three places before removing the old fasteners 2 Remove shoulder nuts 3 Figure 22 and flathead screws 4 Figure 22 If shoulder nuts are badly rusted or corroded they may have to be cut off and the screws driven out 3 Clean the bottom surface of the backbar for maximum metal contact with the new bed bar 4 Fasten the new bed knife to the bottom of the backbar in the position shown bent edge up Shoulder of shoulder nuts must be seated firmly in the b
49. the lock nut to limit the pedal travel Swing the speed control away from the traction pedal to again allow a full range of forward speeds Wing Mower Lift Positioning the wing mower lift lever 8 Figure 1 will lower the side mowing units to the ground Pulling lever back and over center holds the mowers off the ground Always keep mowers up when not mowing or transporting Keep mower down during storage CAUTION Do not stand on mowers when in lifted position Parking Brake A convenient parking brake 9 Figure 1 is located just below the right side of the operator s seat Pulling back and over center will engage the parking brake and moving it forward as shown will release it IMPORTANT Always make sure brake is released before moving forward and ensure that the brake is engaged when leaving the mower Never try to stop the forward motion of the unit with the parking brake Reel Drive Control By toggling the reel drive control switch ON 10 Figure 1 an electric clutch is activated which engages power to the reels Pushing the switch to the OFF position disengages the clutch This control must be in the OFF position before mower will start Seat Position Lever The position of the seat is adjusted forward or backward by actuating the seat lever 11 Figure 1 Releasing the lever will lock the seat at its present position Rear Mower Lift Lever Move the rear mower lift lever 1 Figure 2 up
50. us bodily injury always lower mowers to the ground place all controls in neutral and shut off engine before inspecting hydraulic lines or hoses Never run hands across tubes hoses or fittings to check for leaks Hydraulic hose and tube lines should be inspected every week to check for cuts loose connections kinks and wear Be sure tubes and hoses do not come in contact with other frame parts which could cause abrasive wear Always replace worn hoses or tubes before operating machine 1 Assemble nut sleeves and tube to fitting body with minimum torque finger tight until flare contacts seat on fitting body 2 For tightening reference mark a line lengthwise on both the nut and adapter fitting with a marker 3 Using a wrench rotate the nut to tighten Turn the nut to the amount shown in the chart below The line will show which fitting has been tightened and how much 4 On hoses with o ring fittings make sure O rings are clean and hose fittings are properly seated by hand before wrench tightening 5 Hold the fixed portion of the hose coupling with one wrench use a second wrench to tighten or loosen the hose nut This will prevent damage to the fitting seal When tightening a hose do not allow it to twist hold it in a normal straight position Tube O D or Hose TH HT Rotate of Flats a GB 22 HYDRAULIC OIL FILTER To prevent damage to the hydraulic system the hydraulic oil fil
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