LoadLIFTER
Contents
1. LoadLifter 5000 Hardware and Tools Lists HARDWARE LIST ltem Part 4 N XxZz caomouozzmzxc rommoour MN 752 58437 21837 11951A 07148 07993 18444 17141 18427 17203 13966 18422 18485 17412 18505 03211 17163 11067 17361 17184 18435 10861 01531B 10886 17135 18419 18425 17177 18501 18522 18556 17161 17271 18207 Description Qty T c EH 2 90 Swivel Air Fitting 2 Roll Pl te eire 4 Upper 1 L H Upper Bracket 1 3 8 Flat Washer 28 3 8 16 X 2 5 Carriage Bolt 2 3 8 Lock Washer 8 3 8 24 X 3 4 Hex Bolt 8 SDaCBE aa 2 3 8 16 Serrated Flange Lock Nut 2 1 2 Flat Washer 3 1 2 13 X 1 25 Hex Cap Screw 1 1 2 13 Serrated Flange Lock Nut 2 Lower Bracket 2 3 8 16 X 7 Carriage Bolt 4 Locating Bracket 4 3 8 16 X 1 25 Carriage Bolt 8 3 8 16 X 5 0 Hex Tap Bolt 4 3 8 16 Nyloc Nut 17 Retainer Plate 2 8 Bar iens 2 L Braek8tuu nies 1 1 4 20 X 1 Hex Cap2. Screw 1 Flat Washer 2 1 4 20 Nyloc 1 M8 1 25 X 25 Hex Bolt 1 M8 Flat 2 M8 X 1 25 Nyloc Nut 1 3 4 Plain Washer 1 1 2 13 X 1 5 Hex Head Bolt 1 1 2 13 X Hex Cap Screw 2 Flat 2 TOOLS LIST Qty Metric amp STD Open Box End Wrenches set Ratchet with Metric and STD Sockets set Drill and 5 16 Drill 8 1 Torque 5 1 Hose Cutter Razor Blade or Sharp Knife 1 Hoist or Floor Jack Safety Stands Safely GIASSOS nitet rede ice teres Air Compressor or Compressed Air Source 1 Spray Bottle with Dish Soap Water Solution 1 Missing or damaged parts Call Air Lift customer service at 800 248 0892 for a replacement part LoadLifter 5000 Installing the LoadLifter 5000 System NOTE NOTE NOTE GETTING STARTED 1 Raise the vehicle and support the axle with jack stands setting the jack stands as wide as possible on the axle 2 R
3. at this location by using the existing hardware fromthe fifth wheel bracket installation that was previously removed orthe 1 2 13 X 1 25 bolt M if you have the in bed hitch option from Ford or the 12 13 X bolt if no fifth wheel or in bed hitch option was used and a 1 2 flat washer L Insert the bolt and washer through the upper bracket and frame from the inside out and cap with a flat washer L and serrated flange lock nut N fig 1a Tighten securely BE SURE TO NOT PINCH THE WIRING HARNESS OR LINES INSIDE OF THE LEFT FRAME RAIL 4 If so equipped with the emissions line previously loosened from the frame insert the line holder post into the L bracket W attached to the back brace of the upper bracket E fig 7 It may be necessary to move the line holder post forward or back on the lines to line up correctly with the L bracket hole Reattach any line holders removed forward or behind the axle if possible that were removed to aid in positioning the upper bracket Line holder Upper bracket E 8 fig 7 10 LoadLifter 5000 PASSENGER SIDE UPPER BRACKET INSTALLATION 1 With the bellows attached to the upper bracket tighten the carriage bolt that goes through the upper bracket and into the frame fig 1b Inserta large 7 flat washer GG or 3 4 flat washer DD if using 3 4 existing fifth wheel hitch hardware between the upper bracket and frame It may be necessary to
4. charges the defective product from the vehicle and returning it transportation costs prepaid to the dealer from which it was purchased or to Air Lift Company for verification Air Lift will repair or replace at its option defective products or components A minimum 10 00 shipping and handling charge will apply to all warranty claims Before returning any defective product you must call Air Lift at 800 248 0892 in the U S and Canada elsewhere 517 322 2144 fora Returned Materials Authorization RMA number Returns to Air Lift can be sent to Air Lift Company 2727 Snow Road Lansing MI 48917 Product failures resulting from abnormal use or misuse are excluded from this warranty The loss of use of the product loss of time inconvenience commercial loss or consequential damages is not covered The consumer is responsible for installation reinstallation labor charges of the product Air Lift Company reserves the right to change the design of any product without assuming any obligation to modify any product previously manufactured This warranty gives you specific legal rights and you may also have other rights that vary from state to state Some states do not allow limitations on how long an implied warranty lasts or allow the exclusion or limitation of incidental or consequential damages The above limitation or exclusion may not apply to you There are no warranties expressed or implied including any implied warranties of merchan
5. spring may need to be remounted If professionally installed the installer should be consulted Check all fasteners for tightness Product Use Maintenance and Servicing Suggested Driving Pressure Maximum Air Pressure 5 PSI 100 PSI FAILURE TO MAINTAIN CORRECT MINIMUM PRESSURE OR PRESSURE PROPORTIONAL TO LOAD BOTTOMING OUT OVER EXTENSION OR RUBBING AGAINST ANOTHER COMPONENT WILL VOID THE WARRANTY MN 752 15 LoadLifter 5000 MAINTENANCE GUIDELINES NOTE By following the steps below vehicle owners will obtain the longest life and best results from their air springs 1 Check the air pressure weekly 2 Always maintain normal ride height Never inflate beyond 100 PSI 3 If you develop an air leak in the system use a soapy water solution 1 5 liquid dish soap and 4 5 water to check all air line connections and the inflation valve core before deflating and removing the air spring CAUTION FOR YOUR SAFETY AND TO PREVENT POSSIBLE DAMAGE TO YOUR VEHICLE DO NOT EXCEED MAXIMUM GROSS VEHICLE WEIGHT RATING GVWR AS INDICATED BY THE VEHICLE MANUFACTURER ALTHOUGH YOUR AIR SPRINGS ARE RATED AT A MAXIMUM INFLATION PRESSURE OF 100 P S I THE AIR PRESSURE ACTUALLY NEEDED IS DEPENDANT ON YOUR LOAD AND GVWR 4 Loaded vehicles require at least 25 PSI or more A loaded vehicle refers to a vehicle with a heavy bed load a trailer or both As discussed above never exceed GVWR regardless of air spri
6. 3 8 flat washers F and two nyloc nuts T 6 Carefully draw the side hardware and axle hardware evenly Torque the spring clamp bar bolts to 10 6 and the axle clamp bar bolts to 16 65 Repeat for the opposite side Trim the long carriage bolts below the nyloc nuts if necessary INSTALLING THE AIR LINES 1 Choose a convenient location for mounting the inflation valves Popular locations for the inflation valve are a The wheel well flanges b The license plate recess in bumper c Under the gas cap access door d Through the license plate Whatever the chosen location make sure there is enough clearance around the inflation valves for an air chuck 2 Drill two 5 16 holes to install the inflation valves 3 Cut the air line assembly in two equal lengths ee Good Cut Poor Cut WHEN CUTTING OR TRIMMING THE AIR LINE USE A HOSE CUTTER A RAZOR BLADE OR A SHARP KNIFE A CLEAN SQUARE CUT WILL ENSURE AGAINST LEAKS DO NOT USE WIRE CUTTERS OR SCISSORS TO CUT THE AIR LINE THESE TOOLS MAY FLATTEN OR CRIMP THE AIR LINE CAUSING IT TO LEAK AROUND THE O RING SEAL INSIDE THE ELBOW FITTING FIG 11 2 Vehicle body or Air line bumper 5 16 Flat washer Valve cap 5 16 Hex nut 4 Place a 5 16 nut and star washer on the air valve Leave enough of the inflation valve in front of the nut to extend through the hole and have room for the rubber washer flat washer and 5 16 nut and cap There should
7. MN 752 011012 ERN 6979 Kit 57395 2011 Ford F 250 F 350 F 450 ZWD Pickups Single amp Dual Rear Wheel INSTALLATION GUIDE For maximum effectiveness and safety please read these instructions completely before proceeding with installation Failure to read these instructions can result in an incorrect installation TABLE OF CONTENTS 1 010101 5 8 5 5 5 5 8 8 8 8 8 68988 2 Important Safety Notice seta gus aa 2 Notation Explanation lisse 2 Installation Diagrams 3 Installation Diagram Driver 3 Installation Diagram Passenger Side 4 Hardware soos adi RES Pade baw Yo Ex eda uk 5 Tools acus ENTENI Da RR da 5 Installing the LoadLifter 5000 System 6 Getting Started sees Ee aqa nak 6 Installing the Upper Bracket B BB 6 Lower Bellows and Bracket Assembly 7 Positioning the Assembly on the 8 Driver Side Upper Bracket 9 Passenger Side Upper Bracket 10 Lower Bracket Attachment 10 Installi
8. TEAM 1111 Condition the kit was in when you purchased it Description or part number of the missing damaged item Information from the box label 1 Kit number 2 Weight 3 When was the kit packed Replacement Information If you need replacement parts contact the local dealer or call Air Lift customer service at 800 248 0892 Most parts are immediately available and can be shipped the same day Contact Air Lift Company customer service at 800 248 0892 first if Parts are missing from the kit Need technical assistance on installation or operation Broken or defective parts in the kit Wrong parts in the kit Have a warranty claim or question Contact the retailer where the kit was purchased e f itis necessary to return or exchange the kit for any reason f there is a problem with shipping if shipped from the retailer f there is a problem with the price 20 MN 752 LoadLifter 5000 Contact Information Ifyou have any questions comments or needtechnical assistance contact our customer service department by calling 800 248 0892 Monday through Friday 8 a m to 7 p m Eastern Time For calls from outside the USA or Canada our local number is 517 322 2144 For inquiries by mail our address is PO Box 80167 Lansing MI 48908 0167 Our shipping address for returns is 2727 Snow Road Lansing MI 48917 You may also contact us anytime by e mail at sales airliftcompany com or o
9. and lower the axle to gain clearance for the air spring assembly 1 Insert the left hand and right hand assembly on the axle under the frame It may be necessary to raise the axle slightly to proceed with this part of the installation with paying close attention to inserting the elbow that was previously installed through the upper bracket while raising the bellows into position 2 Attach the bellows to the loose upper bracket using 3 8 flat washer F lock washers H and 3 8 24 x 7 8 bolts I Using the corresponding holes in the upper bracket fig 6 tighten both mounting bolts securely MN 752 LoadLifter 5000 NOTE MN 752 DRIVER SIDE UPPER BRACKET INSTALLATION 1 Insert the M8 bolt AA and M8 flat washer BB through the upper bracket using the small hole in the rear of the brace and through the frame Cap with an M8 flat washer BB and M8 nyloc nut CC and leave loose at this time fig 1a If you have a fifth wheel bracket on the side of the frame with no hole it will be necessary to drill a hole through the plate for the M8 hardware 2 With the bellows attached to the upper bracket tighten the carriage bolt that goes through the upper bracket and into the frame fig 1a Tighten the M8 bolt once the upper bracket is tight to the bottom of the frame Attach the upper bracket brace through the half slot that is forward of the upper bracket the frame has a slot in it under the upper brace
10. be enough valve exposed after installation approximately to easily apply a pressure gauge or an air chuck fig 12 MN 752 LoadLifter 5000 NOTE MN 752 5 Push the inflation valve through the hole and use the rubber washer flat washer and another 5 16 nut to secure it in place Tighten the nuts to secure the assembly 6 Route the air line along the frame to the air fitting on the air spring fig 13 Keep AT LEAST 6 of clearance between the air line and heat sources such as the exhaust pipes muffler or catalytic converter Avoid sharp bends and edges Use the plastic tie straps to secure the air line to fixed non moving points along the chassis Be sure that the tie straps are tight but do not pinch the air line Leave at least 2 of slack to allow for any movement that might pull on the air line smsa ee Option 1 Option 2 mmm 7 Cut off the air line leaving approximately 12 of extra air line A clean square cut will ensure against leaks Insert the air line into the air fitting This is a push to connect fitting Simply push the air line into the 90 swivel fitting until it bottoms out 9 16 of air line should be in the fitting INSTALLING THE HEAT SHIELD 1 Bend tabs to provide a 1 2 dead air space between exhaust pipe and heat shield fig 14 2 Attach the heat shield to the exhaust pipe using the clamps Bend the heat shield for maximum clearance to the air spri
11. ding on the kit convolute bellows The bellows are manufactured like a tire with layers of rubber and cords that control growth LoadLifter 5000 kits are recommended for most 3 4 and 1 ton pickups and SUVs with leaf springs and provide up to 5 000 Ibs of oad leveling support with air adjustability from 5 100 PSI The kits are also used in motor home rear kits and some motor home fronts where leaf spring are used It is important to read and understand the entire installation guide before beginning installation or performing any maintenance service or repair The information here includes a hardware list tool list step by step installation information maintenance guidelines and operating tips Air Lift Company reserves the right to make changes and improvements to its products and publications at any time For the latest version of this manual contact Air Lift Company at 800 248 0892 or visit our website at www airliftcompany com IMPORTANT SAFETY NOTICE The installation of this kit does not alter the Gross Vehicle Weight Rating GVWR or payload of the vehicle Check your vehicle s owner s manual and do not exceed the maximum load listed for your vehicle Gross Vehicle Weight Rating The maximum allowable weight of the fully loaded vehicle including passengers and cargo This number along with other weight limits as well as tire rim size and inflation pressure data is shown on the vehicle s Safety Compliance Certificati
12. emove the jounce bumpers from under the frame over the axle 3 If necessary disconnect the wiring harness from the driver side frame rail to gain clearance for the upper bracket Gas engine models have emission lines on the inside of the frame Follow the directions in the section Installing the Upper Bracket for relocating these lines 4 f you have a fifth wheel hitch already installed it will be necessary to remove the 32 hardware that bolts the side bracket to the outside of the frame above the axle fig 2a or 2b INSTALLING THE UPPER BRACKET 1 Insert a 3 8 carriage bolt G through the bottom of the upper bracket D and E fig 2a or 2b Set the spacer J over the carriage bolt The hole in the flat spacer J is offset Install the spacer so that the wide portion faces the outside of the vehicle If your model truck has emission lines running along the inside of the frame rail fig 3 it will be necessary to relocate those lines as follows e Carefully push the line holder out of the frame above the axle Try to minimize damage because it will be reused later It may also be helpful to remove any holders forward or rearward of the axle to aid in positioning the lines once the upper bracket has been installed fig 3 e Attach the L bracket W to the back frame brace using the 1 4 bolt X flat washers Y and nyloc nut Z supplied fig 2a This L bracket will eventually be used to attach the previousl
13. finitely Will raising the vehicle on a hoist for service work damage the air springs No The vehicle can be lifted on a hoist for short term service work such as tire rotation or oil changes However if the vehicle will be on the hoist for a prolonged period of time support the axle with jack stands in order to take the tension off of the air springs Air Pressure Pressure determination comes down to three things level vehicle ride comfort and stability 1 Level vehicle If the vehicle s headlights are shining into the trees or the vehicle is leaning to one side then it is not level fig 15 Raise the air pressure to correct either of these problems and level the vehicle Ride comfort If the vehicle has a rough or harsh ride it may be due to either too much pressure or not enough fig 16 Try different pressures to determine the best ride comfort Stability Stability translates into safety and should be the priority meaning the driver may need to sacrifice a perfectly level and comfortable ride Stability issues include roll control bounce dive during braking and sponginess fig 17 Tuning out these problems usually requires an increase in pressure mm cc di LO Pj o Bad headlight aim 12 75 Ju PA Sway and body roll 17 LoadLifter 5000 Guidelines for Adding Air 18 Start with the vehicle level or slightly above 2 When in doubt always add air 3 For motor
14. homes start with 50 100 PSI in the rear because it can be safely assumed 0 that it is heavily loaded Ifthe front of the vehicle dives while braking increase the pressure in the front air bags if equipped If itis ever suspected that the air bags have bottomed out increase the pressure fig 18 Adjust the pressure up and down to find the best ride If the vehicle rocks and rolls adjust the air pressure to reduce movement It may be necessary to maintain different pressures on each side of the vehicle Loads such as water fuel and appliances will cause the vehicle to be heavier on one side fig 19 As much as a 50 PSI difference is not uncommon 4D Lil Li Li Li b MN 752 LoadLifter 5000 Warranty and Returns Policy Air Lift Company warrants its products for the time periods listed below to the original retailpurchaser against manufacturing defects when used on catalog listed applications on cars vans light trucks and motorhomes under normal operating conditions for as long as Air Lift manufactures the product The warranty does not apply to products that have been improperly applied improperly installed used in racing or off road applications used for commercial purposes or which have not been maintained in accordance with installation instructions furnished with all products The consumer will be responsible for removing labor
15. ir lines to be sure none are pinched Tie straps may be too tight Loosen or replace the strap and replace leaking components Inspect the air line for holes and cracks Replace as needed Look for a kink or fold in the air line Reroute as needed Ifthe preceding steps do not solve the problem it is possibly caused by a failed air spring either a factory defect or an operating problem Please call Air Lift at 800 248 0892 for assistance 16 MN 752 LoadLifter 5000 Frequently Asked Questions Q Will installing air springs increase the weight ratings of a vehicle Tuning the MN 752 No Adding air springs will not change the weight ratings GAWR GCWR and or GVWR of a vehicle Exceeding the GVWR is dangerous and voids the Air Lift warranty Is it necessary to keep air in the air springs at all times and how much pressure will they need The minimum air pressure should be maintained at all times The minimum air pressure keeps the air spring in shape ensuring that it will move throughout its travel without rubbing or wearing on itself ls it necessary to add a compressor system to the air springs No Air pressure can be adjusted with any type of compressor as long as it can produce sufficient pressure to service the springs Even a bicycle tire pump can be used but it s a lot of work How long should air springs last If the air springs are properly installed and maintained they can last inde
16. n the web at www airliftcompany com 1242 Thank you fon purchasing Ain Lift producta We re delighted to be a part of your air suspension solution Air Lift Company is dedicated to ensuring that you have the best possible experience with our products If you have any questions concerns or even a suggestion please feel free to contact us Our customer service representatives are here for you Monday through Friday 8 a m to 7 p m Eastern Time Need help sooner than that Check out the wealth of information that we have online for you at www airliftcompany com It S easy to put your air springs to work with an Air Lift on board air compressor system Air Lift offers the most advanced compressor systems in the industry Choose the best option for your ride from many models and features WirelessAIR model pictured to the right Which compressor Birra CRACKLE system is right for driving AIR SINGLE DUAL SINGLE DUAL SINGLE DUAL your vehicle Pickup with any towable XX x X X Pickup with a truck camper Xx X X xx Best choice Van SUV CUV towing or heavy load XX X X X x Good choice Car with rear coil air springs X X Motorhome with rear air springs Xx X X x Four air springs require TWO compressor systems All others XX X X X Save time and money Register your warranty online today at www airliftcompany com warrantyreg htm MN 752 21 Need Help Con
17. ng air pressure or other load assist The springs in this kit will support approximately 40 Ibs of load combined on both springs for each 1 PSI of pressure The required air pressure will vary depending on the state of the original suspension Operating the vehicle below the minimum air spring pressure will void the Air Lift warranty When increasing load always adjust the air pressure to maintain the normal ride height Increase or decrease pressure from the system as necessary to attain normal ride height for optimal ride and handling Remember that loads carried behind the axle including tongue loads require more leveling force pressure than those carried directly over the axle Always add air to springs in small quantities checking the pressure frequently Should it become necessary to raise the vehicle by the frame make sure the system is at minimum pressure 5 PSI to reduce the tension on the suspension brake components Use of on board leveling systems do not require deflation or disconnection Periodically check the air spring system fasteners for tightness Also check the air springs for any signs of rubbing Realign if necessary On occasion give the air springs a hard spray with a garden hose in order to remove mud sand gravel or other abrasive debris Troubleshooting Guide 1 Leak test the air line connections the threaded connection into the air spring and all fittings in the control system Inspect the a
18. ng fig 14a Some vehicles have large resonators in this area it will be necessary to double up on the clamps to fit these models fig 14b Exhaust resonator V Dead Double up air space add clamps fig 14a 13 14 LoadLifter 5000 CHECKING FOR LEAKS 1 2 Inflate the air spring to 30 PSI Spray all connections and the inflation valves with a solution of 1 5 liquid dish soap and 4 5 water Spot leaks easily by looking for bubbles in the soapy water After the test deflate the springs to the minimum pressure required to restore the system to normal ride height Do not deflate to lower than 5 PSI Check the air pressure again after 24 hours A 2 4 PSI loss after initial installation is normal Retest for leaks if the loss is more than 5 lbs FIXING LEAKS 1 2 If there is a problem with the swivel fitting a Check the air line connection by deflating the spring and removing the line by pulling the collar against the fitting and pulling firmly on the air line Trim 1 off the end of the air line Be sure the cut is clean and square see fig 11 Reinsert the air line into the push to connect fitting Check the threaded connection by tightening the swivel fitting another turn If it still leaks deflate the air spring remove the fitting and re coat the threads with thread sealant Reinstall by hand tightening as much as possible and then use a wrench for an additional two
19. ng the Air 12 Installing the Heat SHIM ss sities iscsi fans Oa 13 Checking for LeaKS sas ssa phi 14 FIXING Ses rM 14 Before 15 Installation Checklist dss lens mune e A dan 15 Post Installation Checklist sfi ss sea sass esas aes aan a ees 15 Product Use Maintenance and Servicing 15 Suggested Driving and Maximum Pressure 15 Maintenance Guidelines 16 Troubleshooting Guide ove eas ERE die dade dae a 16 Frequently Asked 5 17 Tuning the Air Pressure u sasa sala aa sa waqa nen 17 Guidelines for Adding 18 Warranty and Returns 19 Replacement Parts and Information 20 Replacement 20 Contact Information 21 LoadLifter 5000 Introduction NOTE The purpose of this publication is to assist with the installation maintenance and troubleshooting of the LoadLifter 5000 air spring kit LoadLifter 5000 utilizes sturdy reinforced commercial grade single or double depen
20. on Label Payload The combined maximum allowable weight of cargo and passengers that the truck is designed to carry Payload is GVWR minus the Base Curb Weight NOTATION EXPLANATION Hazard notations appear in various locations in this publication Information which is highlighted by one of these notations must be observed to help minimize risk of personal injury or possible improper installation which may render the vehicle unsafe Notes are used to help emphasize areas of procedural importance and provide helpful suggestions The following definitions explain the use of these notations as they appear throughout this guide INDICATES IMMEDIATE HAZARDS WHICH WILL RESULT IN SEVERE PERSONAL INJURY OR DEATH INDICATES HAZARDS OR UNSAFE PRACTICES WHICH COULD RESULT IN SEVERE PERSONAL INJURY OR DEATH INDICATES HAZARDS OR UNSAFE PRACTICES WHICH COULD RESULT IN DAMAGE TO THE MACHINE OR MINOR PERSONAL INJURY Indicates a procedure practice or hint which is important to highlight MN 752 LoadLifter 5000 Installation Diagram Driver Side MN 752 weed E LF LoadLifter 5000 Installation Diagram Passenger Side Eger C 56 6 00 DON ET PH 22 D 6 E ne B SONNO s 7 DENN GOLtt
21. or proper torque Axle clamp bar carriage bolt lock nuts should be torqued to 16 Re torque after 100 miles Road test The vehicle should be road tested after the preceding tests Inflate the air springs to 25 PSI 50 PSI if the vehicle is loaded Drive the vehicle 10 miles and recheck for clearance loose fasteners and air leaks Operating instructions If professionally installed the installer should review the Product Use Maintenance and Servicing section on page 15 with the owner Be sure to provide the owner with all of the paperwork which came with the kit Technician s Signature Date POST INSTALLATION CHECKLIST Overnight leak down test Recheck air pressure after the vehicle has been used for hours If the pressure has dropped more than 5 PSI then there is a leak that must 24 be fixed Either fix the leak yourself or return to the installer for service Air pressure requirements understand the air pressure requirements of my air spring System Regardless of load the air pressure should always be adjusted to maintain ride height at all times Thirty day or 500 mile test understand that must recheck the air spring system after 30 days or 500 miles whichever comes first If any part shows signs of rubbing or abrasion the source should be identified and moved if possible If it is not possible to relocate the cause of the abrasion the air
22. pry the upper bracket away from the frame slightly to make it easier to insert Attach the upper bracket brace by using the existing hardware from the fifth wheel bracket installation that was previously removed or the 1 2 13 X 1 50 bolt EE if you have the in bed hitch option from Ford or the 12 13 X bolt if no fifth wheel or in bed hitch option was used and a large 4 flat washer L Insert the bolt and washer through the upper bracket through the large washer between the bracket and frame from the inside out and cap with a flat washer L and serrated flange lock nut fig 2b Tighten securely LOWER BRACKET ATTACHMENT 1 e Oe eS Insert a long 3 8 bolt S and flat washer F through the round hole of the four hole locating bracket Q fig 8 MN 752 LoadLifter 5000 NOTE MN 752 2 Attach the four hole locating bracket Q the top of the lower bracket and through the slots with two 3 8 carriage bolts R flat washers F and nylon lock nuts T fig 8 One goes forward and one goes behind the axle on the leaf spring side Leave loose at this time 3 Push the front and back four hole locating bracket against the stock u bolts and tighten the short carriage bolts at this time 4 Using the long 3 8 bolt S and flat washer F previously installed on the four hole locating b
23. racket insert them into the spring clamp bar U on the opposite side of the leaf spring assembly fig 8 Cap with 3 8 flat washer F and nyloc nut T Leave loose at this time On some models it may be necessary to re position a hard brake line on the back of the passenger side axle This is necessary so that the line does not get pinched by the axle clamp that will be installed in step 5 For models that have the line held in by a plastic clip on the shock sway bar bracket bend the wire brake line bracket that is attached to the spring perch up to create clearance between the brake line and the axle clamp fig 9 For models that have a small steel tab holding the brake line to the axle pry tab open enough so that the line can move then bend the wire brake line bracket that is attached to the spring perch up to create clearance between the brake line and the axle clamp fig 10 t Axle clamp and hardware shown in EN this view 2d L v fig 9 680 n T Bend wire brake line 4 f holder up to obtain more clearance between axle clamp and brake line Bend small steel tab open to reposition brake line fig 10 11 NOTE 12 LoadLifter 5000 5 Insert a long carriage bolt P through the remaining square hole in the lower bracket forward of the axle opposite of the one previously installed Set the clamp bar V over the two carriage bolts and cap with two
24. t is on the outside of the frame through the hole in the upper bracket and slot in the frame e Drill a 12 hole through the 5th wheel bracket LOWER BELLOWS AND BRACKET ASSEMBLY 1 Seta roll plate C over the top and bottom of the bellows A fig 1a or 1b The radiused rounded edge of the roll plate C will be towards the bellows so that the bellows is seated inside both roll plates fig 1a or 1b 2 Install the swivel elbow fitting B into the top of the bellows finger tight Tighten the swivel fitting one and a half turns NOTE NOTE NOTE NOTE LoadLifter 5000 3 Insert one long carriage bolt P into the lower bracket O fig 4 This carriage bolt location will be behind the axle once the assembly is installed on the axle Insert long carriage bolt P in these holes in the lower bracket before assembling to bellows as noted Passenger Side Use this hole Driver Side Use this hole 4 The lower bracket O has two sets of holes fig 5 Attach the bellows to the bracket using the 3 8 flat washers F lock washers H and 3 8 24 x 7 8 bolts 1 using the corresponding holes designated Tighten bolts securely The insert for the fitting on top of the bellows points inward refer to fig 1a or fig 1b Left Driver Side mounting holes fig 5 Right Passenger Side mounting holes POSITIONING THE ASSEMBLY ON THE AXLE It may be necessary to support the frame
25. tability and fitness which extend beyond this warranty period There are no warranties that extend beyond the description on the face hereof Seller disclaims the implied warranty of merchantability Dated proof of purchase required Air Lift 1000 Lifetime Limited Load Controller I 2 Year Limited RideControl Lifetime Limited Load Controller Il 2 Year Limited SlamAir Lifetime Limited SmartAir 2 Year Limited LoadLifter 5000 Lifetime Limited Wireless AIR 2 Year Limited Lifestyle 1 Year Limited Other Accessories 2 Year Limited formerly SuperDuty formerly EasyStreet MN 752 19 KF LoadLifter 5000 Replacement Parts and Returns Please do not cannibalize kits for parts Help us avoid waste and order by part number If you need an air spring replacement part please follow these steps Step 1 Contact your dealer and order by part number Download a detailed list at www airliftcompany com downloads html Step 2 If your dealer does not have the part in stock call Air Lift directly and we can ship you the part you need the same day in the U S or Canada Missing or damaged item Before calling Air Lift customer service please gather the following information Your receipt Number Gross Wt 18 280 Ib KZ 02 07 05
26. tact our customer service department by calling 800 248 0892 Monday through Friday 8 a m to 7 p m Eastern Time For calls from outside the USA or Canada our local number is 517 322 2144 Register your warranty online at www airliftcompany com warranty 8 Thank you for purchasing Air Lift products the professional installer s choice Air Lift Company 2727 Snow Road Lansing MI 48917 or PO Box 80167 Lansing MI 48908 0167 Toll Free 800 248 0892 Local 517 322 2144 Fax 517 322 0240 www airliftcompany com Printed in the USA
27. turns If there is a problem with the inflation valve a Check the valve core by tightening it with a valve core tool b Check the air line by removing the air line from the barbed type fitting Cut the air line off a few inches in front of the fitting and use a pair of pliers or vice grips to pull twist the air line off of the fitting DO NOT CUT OFF THE AIR LINE COMPLETELY AS THIS WILL USUALLY NICK THE BARB AND RENDER THE FITTING USELESS 3 If the preceding steps have not resolved the problem call Air Lift customer service at 800 248 0892 MN 752 LoadLifter 5000 Before Operating INSTALLATION CHECKLIST To be completed by installer Clearance test Inflate the air springs to 60 PSI and ensure there is at least 2 clearance around each bellow away from anything that might rub against them Be sure to check the tire brake drum frame shock absorbers and brake cables Leak test before road test Inflate the air springs to 60 PSI check all connections for leaks with a soapy water solution See page 14 for tips on how to spot leaks All leaks must be eliminated before the vehicle is road tested Heat test Be sure there is sufficient clearance from any heat sources at least 6 for air springs and air lines If a heat shield was included in the kit install it If there is no heat shield but one is required call 800 248 0892 Fastener test Recheck all bolts f
28. y removed emissions line Do not attach the line holder to it at this time 2 Upper bracket 07993 E goes onto the driver side frame rail fig 2a and upper bracket 07148 D goes onto the passenger side frame rail fig 2b Set the assemblies into position under the frame above the axle and insert the carriage bolt G through the exiting jounce bumper hole for both sides 95 Driver Side MN 752 LoadLifter 5000 NOTE NOTE MN 752 _ Use 3 4 flat washer DD If you have a fifth wheel if using 3 4 hitch hardware hitch installed that has removed side plates along the frame use the existing hardware removed If not use the 1 2 hardware supplied and recommended in this kit and in the directions in this manual Emissions lines Electrical wiring loom 3 Cap with a 3 8 serrated flange lock nut K for both sides Do not tighten at this time BE SURE NOT TO PINCH THE PREVIOUSLY MOVED WIRING OR LINES INSIDE THE LEFT FRAME RAIL If you have a fifth wheel hitch with side plates and the model does not come with holes through the side bracket for attaching the kit to the frame it will be necessary to drill a hole and use the 1 2 hardware supplied to attach the upper bracket to the frame e Push the upper bracket up and against the inside frame rail Mark and center punch the 5th wheel bracket tha
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