Air Lift LoadLifter 5000 Ultimate Installation Manual
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Air Lift LoadLifter 5000 Ultimate Installation Manual

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A D J U S TA B L E A I R H E L P E R S P R I N G S
Kit Number
88349
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.
MN-970 • (011507) • ERN 8286

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Summary of Contents for Air Lift LoadLifter 5000 Ultimate

  • Page 1 A D J U S TA B L E A I R H E L P E R S P R I N G S Kit Number 88349 INSTALLATION GUIDE For maximum effectiveness and safety, please read these instructions completely before proceeding with installation.

  • Page 3: Table Of Contents

    Notation Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Installing the LoadLifter 5000 Ultimate System . . . . . . . . . . . . 5 Getting Started .

  • Page 4: Installation Diagram

    LoadLifter 5000 Ultimate Installation Diagram fig. 1 MN-970...

  • Page 5: Hardware List And Tools List

    3/8”-16 x 1.5” Long carriage bolt ..2 17163 3/8”-16 x 7.0” Long carriage bolt ..4 18435 3/8”-16 Nylon lock nut ......6 Missing or damaged parts? Call Air Lift customer STOP! STOP! service at (800) 248-0892 for a replacement part . TOOLS LIST Description ..........

  • Page 6: Introduction

    . 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 airliftcompany .com .

  • Page 7: Installing The Loadlifter 5000 Ultimate System

    LoadLifter 5000 Ultimate Installing the LoadLifter 5000 Ultimate System GETTING STARTED COMPRESSED AIR CAN CAUSE INJURY AND DAMAGE TO THE VEHICLE AND PARTS DANGER IF IT IS NOT HANDLED PROPERLY . FOR YOUR SAFETY, DO NOT TRY TO INFLATE THE AIR SPRINGS UNTIL THEY HAVE BEEN PROPERLY SECURED TO THE VEHICLE .
  • Page 8 LoadLifter 5000 Ultimate 4 . Remove the bolt from the brake line bracket that is attached to the spring perch (Fig . 5) . fig. 5 5 . Unclip the brake line from the bracket on top of the differential (Fig . 6) .

  • Page 9: Assembling The Air Spring Assemblies

    LoadLifter 5000 Ultimate ASSEMBLING THE AIR SPRING ASSEMBLIES 1 . Set a roll plate (E) on top of the air spring (D) . The radiused or rounded edge of the roll plate will be towards the air spring so that it is seated inside the roll plate (Fig . 8) .
  • Page 10 LoadLifter 5000 Ultimate 4 . Flip the air spring assemblies upside down and set a roll plate (E) over the bottom of each air spring (Fig . 12) . The radiused or rounded edge of the roll plate will be towards the air spring so that the air spring is seated inside the roll plate .
  • Page 11 LoadLifter 5000 Ultimate 6 . When setting the lower bracket onto the air spring assemblies, you will be setting up both a left and a right hand assembly . Assemble the right hand (passenger) assembly as shown in Figure 14 . Assemble the left (driver) side air spring assembly by rotating the air spring assembly 180°...
  • Page 12 LoadLifter 5000 Ultimate 8 . The upper bracket (C) has two slots for mounting to the air spring and will be specific to which side the assembly is mounted . Figure 16 shows the upper bracket and the correct holes to use for the left (driver) and right (passenger) side installations .

  • Page 13: Installing The Assemblies

    LoadLifter 5000 Ultimate INSTALLING THE ASSEMBLIES 1 . Set the left and right hand assemblies onto the axle . Make sure the brake line that was un-bolted on the left (driver) side is clear while positioning the assembly . Raise the axle or lower the frame so that the upper bracket carriage bolts go through the existing jounce bumper holes in the bottom of the frame .
  • Page 14 LoadLifter 5000 Ultimate 4 . Adjust the lower bracket/air spring assembly in and out on the axle to align the air spring as perpendicular to the upper bracket as possible . Install the Clamp Bar (A) over the long carriage bolts previously installed and cap with two 3/8” Flat Washers (I) and two 3/8”-16 nylon lock nuts (L) (Fig .

  • Page 15: Installing The Air Lines

    This section explains how to set up the air spring kit to be controlled with Schrader valves and a separate compressed air source . An on-board air compressor system allows for hassle-free control of the air springs . Learn more about Air Lift control systems at www .airliftcompany .com/products/compressor-systems .

  • Page 16: Tips For Installing Air Lines

    Inspect hose for scratches that run lengthwise on hose Inspect hose for scratches that run lengthwise on hose prior to installation . Contact Air Lift customer service at prior to installation . Contact Air Lift customer service at (800) 248-0892 if the air line is damaged .

  • Page 17: Installing The Heat Shield

    LoadLifter 5000 Ultimate INSTALLING THE HEAT SHIELD 1 . Bend the tabs on the heat shield to provide a 1/2” dead air space between exhaust pipe and heat shield (Fig . 29) . Bend tabs up fig. 29 2 . Attach the heat shield to the exhaust pipe using the clamps (Fig . 30) . Bend the heat shield for maximum clearance to the air spring .

  • Page 18: Finished Installation Photos

    LoadLifter 5000 Ultimate Finished Installation Photos 1 . The following images show the finished installation of both sides . (Figs . 33, 34, 35 & 36) fig. 34 Inside, above axle view of the right (passenger) side installation . fig. 33 fig.

  • Page 19: Before Operating

    DO NOT CUT OFF THE AIR LINE COMPLETELY AS THIS WILL USUALLY NICK THE CAUTION 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-970...

  • Page 20: Installation Checklist

    . If a heat shield was included in the kit, install it . If there is no heat shield, but one is required, call Air Lift customer service at (800) 248-0892 .  Fastener test — Recheck all bolts for proper torque .

  • Page 21: Product Use, Maintenance And Servicing

    . Operating the vehicle below the minimum air spring pressure will void the Air Lift warranty . 5 . When increasing load, always adjust air pressure to maintain normal ride height . Increase or decrease pressure from the system as necessary to attain normal ride height for optimal ride and handling .

  • Page 22: Tuning The Air Pressure

    LoadLifter 5000 Ultimate TUNING THE 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 .

  • Page 23: Troubleshooting Guide

    Q . Will installing air springs increase the weight ratings of a vehicle? 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 .
  • Page 24 LoadLifter 5000 Ultimate Notes MN-970...
  • Page 25 LoadLifter 5000 Ultimate Notes MN-970...
  • Page 26 LoadLifter 5000 Ultimate Notes MN-970...

  • Page 27: Limited Warranty And Returns Policy

    For additional warranty information contact Air Lift Company customer service . Replacement Part Information If replacement parts are needed, 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 .
  • Page 28 Thank you for purchasing Air Lift products — the professional installer’s choice! Air Lift Company • 2727 Snow Road • Lansing, MI 48917 or P .O . Box 80167 • Lansing, MI 48908-0167 Toll Free (800) 248-0892 • Local (517) 322-2144 • Fax (517) 322-0240 • www .airliftcompany .com...

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