Air Lift Performance 39020 ECR 6107 User's Manual
Contents
1. 12 x 5 Bolt Yo Flat Washer 9 16 12 Nyloc Nut Ya x 1 2 Spacer 16 x 4 Bolt Ya Flat Washer 34 16 Nyloc Nut Rolling Lobe Sleeve M16 Flat Washer M16 2 x 120 Bolt 2 5 x 9 16 x 19 Flat Washer 13 x 1 75 Bolt 2 13 Nylock Nut Frame Clamp Ya x Male Connector Centering Pin Double Tube Clamp 3 18 Jam Nut Automatic Leveling System 1 Wedge Shim Quantity h A ADP MDMAONANNNOAAKRHANDAAB a waisAS sowie peoy y bulyjejlsus _ NO SFHPFeHeHNNAHA DOA TAN ADNAN AGS Technical Support 1 800 248 0892 Ext 2 9 Kit Diagram NOTE The beams in this image may appear different from the beams supplied with this kit 4 5 10 wajisAS sawe peoy oy bulyjejisus Installing the Rolling Lobe Air Sleeves Refer to Figure 14 for the following instructions 1 Install the fitting into the large top stud of the rolling lobe air sleeve Tighten the fitting finger tight plus 1 2 turns being careful to tighten on the metal hex nut only NOTE It may be necessary to raise the chassis to provide adequate space to install the rolling lobe air sleeves 2 Insert the bottom studs of both rolling lobe air sleeves into the lower mounting hole of the beam assemblies on both sides of the vehicle Attach finger tight using a 2 lock washer and nut 3 Lower2. Figure 7 Technical Support 1 800 248 0892 Ext 2 6 WUaISAS sawWIe peOY y buljjejlsu Attaching and Adjusting the Panhard Rod 1 Attach the panhard rod bracket to the driver side frame Use the oval hole in the side of the frame shown in Figure 8 as your starting point Insert a 12 bolt through a flat washer the bracket the frame a large flat washer and a nyloc nut Push the bracket to the rear as far as possible and clamp both the frame and bracket flange together Figure 9 2 Drill out the remaining holes even through the frame flange to Y2 Figure 8 Figure 9 Attach with three more 12 bolts six flat washers and three nyloc nuts Figure 10 Starting with the bottom flange tighten all hardware to 107 ft lbs 3 Attach the panhard rod assembly to the panhard rod bracket to the frame rail using one 16 bolt two flat washers and one nyloc nut Figure 10 Leave loose at this time NOTE Insert the bolt front to rear so the nyloc nut is in the back towards the rear of the vehicle Figure 10 Driver Side View Panhard Rod Bracket Front View Existing REAR Oval Hole in Side of AR _ gt Frame a Frame Drill out 1 2 holes in frame using the bracket as a template Figure 8 Inner View of Frame Flange Sey NID Eo Y Drill out a 12 hole in the frame flange using the bracket as a template Panhard Rod Bracket Back View Figur
3. Frame Contact hole in the upper bracket Clamp the bottom of the Overload Holes flange on the bracket to the frame flange using vise If not equipped grips or welding clamps drill out to 1 2 2 a If there are existing holes O Line up the upper bracket holes with the Frame existing contact overload bracket holes in the frame Figure 6 Attach the bracket to the frame with four 12 bolts eight washers and four nyloc nuts Leave loose at this time l Cross Member Rivets Trailer Hitch b If there are NO existing holes Drill a hole using the upper bracket as a ei template Attach the bracket with one 12 FORWARD Driver Side Shown bolt two flat washers and one nyloc nut lt Tighten just until snug Do not overtighten Figure 6 3 Drill two holes through the frame flange using the top hole in the bracket as a template Attach the upper bracket using two 12 bolts four flat washers 16 Flat Washer and two nyloc nuts Tighten just until snug Do not overtighten 2 Bolt 4 Drill the remaining holes through the side if needed using the bracket holes as a template Attach the remaining 12 hardware shown in Figure 7 starting with the bottom 12 bolts Torque all hardware to 107 ft llbs Cross member rivet must be in forward hole in upper bracket 5 Repeat steps 1 4 for the passenger side Yj Flat Washer 6 Reinstall the spare tire 2 Bolt FORWARD Driver Side Shown lt lt
4. Relay ECU e Ground terminals 85 if e f compressor runs replace ECU compressor runs e If compressor does not run replace compressor e Magnet to ECU distance e Magnet may be too close or e Refer to SmartAir manual for too far from ECU proper distance between magnet e Magnet not facing ECU and ECU properly e Make sure dot on magnet points towards the ECU Compressor runs all the 0 Possible major leak e Check system for leaks time System will not kneel e Stuck or clogged solenoid e Inspect the exhaust port or e Replace solenoid energize the solenoid e Damaged or improperly e Ensure that switch wiring is e Replace switch if found faulty connected switch correct by referencing the wiring diagram in the Smart Air manual e Magnet direction 180 off Technical Support 1 800 248 0892 Ext 2 16 apinga Ouljooysa qnoiL Checking for Leaks 1 Spray all connections and the inflation valves with a solution of s liquid dish soap and t s water to check for leaks You should be able to spot leaks easily by looking for bubbles in the soapy water 2 After the test deflate the springs to the minimum pressure required to restore the Normal Ride Height but not less than 10 p s i Fixing Leaks IMPORTANT Check the air pressure again after 24 hours A 2 to 4 p s i loss after initial installation is normal Retest for leaks if the loss is more than 5 Ibs 1 If there is a problem with th
5. been road tested o Has the owner been informed of the maintenance requirements o Has the owner been informed of the operation of the system o Does the owner have the correct instruction manual Technician s Signature Technical Support 1 800 248 0892 Ext 2 SIJMIAYD uoHepyejsu sawelpeoy Troubleshooting Guide Possible Problem Check Procedure Solution e leaky airbag e Spray air bag with a soapy e If leaking replace air bag AE e leaky pneumatic fittings water solution e Tighten fittings i e drain valve Height e Spray fittings with a soapy e Repair or replace as Control Valve HCV water solution necessary e cut or pinched air line e Conduct visual inspection Vehicle is not level side OEM axle perch is not e Refer to Inspecting Axle e Add a 1 shim per the to side within 3 8 level side to side Spring Perch Uniformity in Inspecting Axle Spring Perch the manual Uniformity section Truck sits too low or too e Air spring mounting height e Measure the distance e Change the ride height as high is not correct between the upper and necessary to within lower air bag mounting specifications given in the surfaces manual for rolling lobe mounting heights Suspension rides rough Air bag is mounted too e Measure the mounted height Adjust mounted height as high or too low necessary e OE shocks are too stiff or e Bounce the rear of the truck e Install Air Lift Select A Ride worn out If there are
6. muffler and remove Leave enough room on the muffler to install a replacement pipe Figure 3 4 Remove the bolts securing the brake cables to the rear end Figure 4 Technical Support No Load in Truck Support the axle with jack stands and raise or lower to Normal Ride Height Figure 1 Driver Side View REMOVE Frame Contact Overload Upper Bracket ji 3 REMOVE J AN Leaf Spring REMOVE Spare Tire Figure 2 Driver Side View CUT OFF tailpipe behind REMOVE muffler Leave enough excess tailpipe room to attach a replacement pipe Figure 3 Remove Bolt Top Rear End Cover Bolt T q Aa AQ G Remove bolt and discard bracket Driver Side Emergency Brake Cable Figure 4 1 800 248 0892 Ext 2 waisAS sowie peoYy ay bulyjelsus Inspecting Axle Spring Perch Uniformity 1 After removing the factory steel springs check the axle spring perches for side to side angle uniformity Without disturbing the axle position place a magnetic angle protractor on one perch and note the angle Next place the angle protractor on the other perch and note the angle there as well A difference of less than 1 is normal and does not require a shim If the difference between the two angles exceeds 1 use the supplied 1 wedge shim to correct the difference 2 Place the 1 wedge shim on one axle spring perch and re measure the angles to verify that
7. of any product without assuming any obligation to modify any product previously manufactured Dated proof of purchase is required Technical Support 1 800 248 0892 Ext 2 WajISAS 19WIe PPOY BY 0l uononponuj Getting Started DANGER Compressed air can cause injury and damage to the vehicle and parts 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 IMPORTANT Measure and record the driveline angles in the chassis as first received Figure 21 1 Elevate the rear of the vehicle and secure the frame with jack stands or a frame contact hoist Support the axle Figure 1 2 Remove the spare tire both leaf springs and the rear frame contact overload brackets if equipped from the frame Figure 2 NOTE It willbe necessary to cut the driver side bolt out of the spring retainer because of how the gas tank is positioned A replacement 16 mm bolt is supplied for reinstallation Retain the front spring eye bolt from the passenger side and nuts for later use NOTE It may be necessary to remove the trailer hitch in order to remove the bolts from the spring hanger NOTE After removing the factory steel springs check the axle spring perches for side to side angle uniformity Refer to the Inspecting Axle Spring Perch Uniformity section for information on installing the supplied 1 wedge shim 3 Cut off the tailpipe behind the
8. the frame while guiding both top studs on the rolling lobe air sleeves through the holes in the upper mounting bracket 4 Attach the air sleeves using a 44 jam nut on the large stud Use a lock washer and 12 nut on the smaller stud Tighten the top mounts securely Leave the bottom loose at this time GUIDE rolling lobe bottom stud through hole in center of beam Attach with hardware shown Driver Side View O Air Fitting Ya Jam Nut Lock Washer Raise or lower axle to create 12 5 SO between mounting brackets N GUIDE rolling lobe top studs through holes in upper mounting bracket Beam while lowering frame Attach with hardware shown Figure 14 Technical Support 1 800 248 0892 Ext 2 11 LIOJISAS JawWe peOoYy y buljyjelsus Installing the Air Lines 1 Choose a convenient location for mounting the i E inflation valves Popular locations for the inflation Air Line Cutting valve are the wheel well flanges the license plate recess in the bumper under the gas cap access door or through the license plate itself NOTE Whatever the chosen location is make sure there is enough clearance for an air chuck around the inflation valves 2 Drill a 16 hole to install the inflation valves 3 Cut the air line assembly in two equal lengths Good Cut Poor Cut CAUTION When cutting or trimming the air line use a razor blade or a very sharp knife A clean l square cut will ensure aga
9. AWR a The chassis as first received note that the driveline angles may not conform exactly to this bulletin in this d The completed vehicle loaded to GVWR with incomplete condition maximum rear GAWR b The completed vehicle unloaded Technical Support 1 800 248 0892 Ext 2 14 sajbuy auloaAliig OuryaoayydD Installation Checklist This Installation Checklist must be completely filled out to ensure proper installation o Have you checked the mounted height of the air springs and is it correct o Have the axle U bolts been torqued per the specification o Have the beam pivot bolts been torqued per the specification o Was the suspension at ride height and even from side to side when the fasteners were torqued o Have the upper bracket bolts been torqued per the specification o Does the heim joint have the proper amount of thread showing o Have you tightened the heim joint jam nut o Was the axle centered in the chassis within 3 8 o Have all remaining fasteners and fittings been torqued per the specifica tion o Have the pinion angles been checked and are they within specification o Has the panhard bar heim joint been properly greased o Is there adequate clearance around all parts of the panhard bar o Is there a minimum clearance of 2 around all parts of the air spring o Has the system been leak checked and found free of leaks o Are all wires and hoses routed correctly and away from heat sources o Has the vehicle
10. Chevy 3500 Kit No 39020 CROADTAMER ULTIMATE SUSPENSION frayed a Please read these instructions completely before proceeding with installation Failure to read these instructions can result in mis installation Introduction to the RoadTamer What You Need to Know About RoadTamer Vehicle Requirements cccccccccsecceeecseeeceeeseeeseeeeeeeenaes RoadTamer Warranty and Return POlICY 3 Installing the RoadTamer System Getting AA YA WA AAA AA AAA 4 Inspecting Axle Spring Perch Uniformity 5 Attaching the Axle Beams ccccssccssseesseeeseseeeeseeeseeeenes 5 Attaching the Frame Brackets ccccsssecsseeeseeeneeeenes 6 Attaching and Adjusting the Panhard Rod 7 Hardware III 9 Kit Installation Diagram wwwwwwwmwwamamamimaminanwniw 10 Installing the Rolling Lobe Air SleeveSs 11 Installing the Air Lines cccceeeeseeeesseeeseeeeseeeeseeeeeneeeens 12 Reattaching the Brake Cables cccccssseeeeseeeeeeeeeeees 13 Final Adjustments ccccceecceeeceecceeeceecseecceeeseeeseeeenaes 13 Checking Driveline Angles Checking Driveline Angles cccssseccesseeeceeseeseeeeeseees 14 Checking Angles in Various COnditionS lt lt w lt 14 Installation Checklist Installation Check
11. curely Figure 5 2 Attach the driver side beam assembly to the front spring eye hanger using the supplied 16 mm bolt stock bolt on passenger side and washer and the previously removed stock nut Figure 5 Be sure to index the centering pin into the spring perch in order to properly locate the axle and the beam Leave loose NOTE The emergency brake cable should go over the beam assembly 3 Attach the beam assemblies to the axle with the hardware shown in Figure 5 Secure snugly but do not completely tighten at this time NOTE It will be necessary to use the stock spring retainer between the u bolts and the beams NOTE Draw the nuts down evenly on the retainer by using a criss cross tightening pattern ey Se ee i ee ee ee Se ee ee ee a For 4WD crew cab models refer to the manual provided with the driveshaft spacer kit 26029 purchased seperately at this time You must have this spacer kit before proceeding If you do not already have spacer kit 26029 you can purchase it by calling Air Lifts Customer Service Department at 800 248 0892 extension 1 Stock Spring Beam Retainer Driver Side Shown side only Use the stock bolt on the passenger side Figure 5 Technical Support 1 800 248 0892 Ext 2 LIOJISAS sowe peoy ey buljeisus Attaching the Frame Brackets 1 Install the driver side frame bracket Line up the lower crossmember rivet with the lower forward Existing
12. der or cut off wheel trim off the excess U bolt so it is 1 above the retaining nuts Torque the front stock beam pivot bolts to 110 ft lbs J 7 Tighten the beam U bolts to 170 ft Ibs using a criss A Bi cross pattern to tighten evenly Figure 13 Using a H 5 Kwa 3 4 Spacers Beam Assembly Figure 12 Bottom View of U Bolt Bracket WUaiIsAS sawe peoy y buljjejlsu Criss Cross Tightening Pattern Tighten 1 until snug Then tighten 2 3 and 4 in that order until snug but not tight Continue tightening in increments following the same pattern until all U bolt nuts are torqued to 170 ft Ibs Torque to 170 ft Ibs Figure 13 Technical Support 1 800 248 0892 Ext 2 8 Hardware List Hardware List Item A N lt XKSES lt CHMODOVOZERPAC LAOAMMIOD Part No 26537 26454 26332 07003 10046 10565 10466 18405 18411 21230 21233 21234 18509 18508 20086 18451 18484 18429 17219 18485 18480 13227 17269 18518 18470 58226 18011 17290 10008 17247 18460 26333 21745 17294 26393 18246 25435 10439 Description Driver Side Beam Assembly Passenger Side Beam Assembly Panhard Rod Assembly Frame Bracket Panhard Rod Bracket 8 18 x10 25 U Bolt 8 Zip Tie 5 16 Flat Washer gt 8 Lock Washer Poly Cap Hex Nut Rubber Washer 1 25 Flat Washer 8 18 x 85 Nut Air Line Assembly 16 Jam Nut 2 20 Hex Nut Yo Lock Washer 9 16
13. e 9 Driver Side View Inner View of Frame Flange Panhard Rod Bracket Y2 Bolt Bracket Front View Yo Washer Back View Figure 10 Technical Support 1 800 248 0892 Ext 2 Panhard Rod Outer View of Frame Ya Bolt Y2 Washer Existing Oval Hole in Side of Frame WaISAS JaWIe peOoYy ey buljeisus Attaching and Adjusting the Panhard Rod 4 Raise or lower the axle to create a space of 12 5 ar inches between the rolling lobe upper and lower No more than 112 of thread mounting brackets Figure 14 Adjust the heim showing on heim joint using a pry bar if necessary so both passenger side and driver side beam to frame distances are equal CAUTION There must be no more than 112 of thread showing on the heim joint Figure 11 5 Attach the heim to the passenger side beam assembly Refer to Figure 12 for an installation diagram Tighten both ends of the panhard rod securely Turn the heim joint so the cage is parallel Figure 11 with the bracket to prevent suspension travel from interfering Tighten the jam nut on the heim Bottom View Passenger Side CAUTION The panhard rod heim joint jam nut 34 34 34 must be torqued to 150 ft Ibs and the heim must Flat Washer Jam Nut Flat Washer be lubricated 6 Refer to Figure 21 and the Checking Driveline Angles JO 00 section at this time If angles are acceptable proceed 34 Nut with torquing the U bolts and pivot bolts Ya Bolt hacksaw grin
14. e air 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 Reinsert the air line into the push to connect fitting b Check the threaded connection by tightening the swivel fitting another 2 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 then use a wrench for an additional two 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 connection by removing the air line from the barbed fitting CAUTION Do not cut it off This will usually nick the barb and render the fitting useless Cut air line off a few inches in front of the fitting and use a pair of pliers or vise grips to pull twist the air line off the fitting Ifthe preceding steps have not resolved the problem call Air Lift Technical Service at 1 800 248 0892 for assistance Technical Support 1 800 248 0892 Ext 2 17 p in5 bullooysa qnoiL Maintenance Guidelines By following the steps below vehicle owners will obtain the longest life and best results from their air springs 1 Fulfill all Installer Responsibilities Retorgue the fasteners in intervals as speci
15. es are not always level when they are delivered from the factory Installing RoadTamer on your vehicle does not correct this non level condition Before you install RoadTamer measure for vehicle levelness on a flat surface After the factory springs have been removed use a level to verify that the axle spring perches are level from side to side If the perches are not level you will need to apply a wedge shim to one side or the other to correct this condition The wedge shim is provided with each RoadTamer kit More information is provided later in the instruction manual Install your RoadTamer kit and make sure the axle is level and square with the vehicle frame Snug but DO NOT TORQUE all fasteners per the directions provided in this installation manual Check again to see if the vehicle is level If it is not close to as level as its factory levelness re read the installation manual concerning the use of the wedge shim You may also have to loosen all beam connecting bolts u bolts etc Re level the axle to the frame before re torquing all fasteners Driveline Angles Driveline angles are factory set to cancel vibrations caused by the u joints RoadTamer takes this into consideration when lowering the vehicle to a level height However the factory does not set up all vehicles to be identical Many different axle suspension and wheelbase combinations are possible You will need to measure the driveline angles and make a calculatio
16. fied The installer is solely responsible for checking the installation for safe operation before the vehicle is placed in service This includes all fastener torgues proper control system operation and driveline angles This instruction manual includes specifications for fastener torgues Tighten fastening hardware as instructed by the specifications below under Servicing the RoadTamer System Check driveline angles as shown in the section titled Checking Driveline Angles If you develop an air leak in the system use a soapy water solution to check all air line connections and the inflation valve core before deflating and removing the air spring Servicing the RoadTamer System 1 At 150 miles and every 10 000 miles thereafter check and retorque per the fastener torques specified in this manual the beam front hardware and pivot bolts the axle U bolts and the panhard rod pivot bolts Every 3 000 miles Check the air spring install height and adjust the height control valve as necessary Check all fittings for air leaks and reseal if necessary Grease the panhard rod end fitting Check the compressor air filter and replace as necessary Perform DAILY maintenance by releasing the moisture from the air tank To do this pull on the release cable attached to the drain valve Excess moisture in the system can lead to component failure or freeze up in cold weather Thank you for purcha
17. inst leaks DO NOT Figure 15 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 Figure 15 Vehicle body Air Line to Bellows 4 Refer to Figure 16 to assist with air valve installation 5 Route the air line along the frame to the air fitting on the air spring Keep at least 6 of clearance between the air line and heat sources such as the exhaust pipes muffler or catalytic converter Figure 17 Avoid sharp bends and edges Use the plastic Cap tie straps to secure the air line to fixed non moving points along the chassis Be sure that the tie straps Hex Nut 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 Figure 16 6 Cut off 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 straight fitting until it bottoms out 16 of air line should be in the fitting Exhaust Pipes Keep air lines secured at least 6 away from all heat sources Air ee Lines Frame Rail Tie Straps Figure 17 Technical Support 1 800 248 0892 Ext 2 12 w ls S sowe peoy y bulyjejisus Reattaching the Brake Cables Reattach the passenger side emergency bra
18. it properly See page 5 for further instructions Muffler Modifications Modifications will need to be made to the muffler after the completion of this kit Air Lift Company recommends taking your vehicle to a muffler repair shop upon completion of the kit installation RoadTamer Warranty and Return Policy Air Lift Company warranties its RoadTamer product against quality and workmanship defects to the original retail purchaser as follows Main Structural components defined as beams handling charge will apply to all warranty claims Before returning any defective product you must call Air Lift Company 800 248 0892 ext 2 for an RGA Returned Goods Authorization number brackets and links for 24 months or 24 000 miles whichever occurs first All other components for 12 months or 12 000 miles whichever occurs first Air Lift Company provides no warranty on the vehicle s original equipment or other aftermarket products This warranty does not apply to products that have been improperly applied installed used in racing applications or maintained in accordance with installation instructions furnished with the product A 10 00 minimum shipping and 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 Air Lift Company reserves the right to change the design
19. ke cable to the top of the rear end using the new hanger supplied and the stock rear end cover bolt Tighten securely Figure 18 Stock Bolt DI amy TA BN DN New Supplied Brake Cable Bracket N sr SD Figure 18 Final Adjustments Inflate both rolling lobe air sleeves to 20 p s i and check for leaks Tighten both bottom rolling lobe mounts securely at this time Torque to 50 ft Ibs An Air Lift SmartAir system must be installed with this kit Follow the instructions in the SmartAir manual to install the system Once the SmartAir system is installed it will automatically maintain the rolling lobe air springs installed height of 12 13 inches within their mounts Figure 20 Routing the exhaust out of the side of the vehicle in front of the rear wheel on the passenger side is recommended NOTE It may be necessary to have a custom bent pipe made if routing the exhaust out the back behind the rear wheels is desired IMPORTANT Check and re torque all mounting hardware especially the beam U bolts after 150 miles and every 10 000 miles 2 Reattach the driver side brake line to the shock bracket using the existing hardware Attach the driver side emergency brake cable to the inside rear U bolt using the double tube clamp and the supplied 5 8 18 jam nut Figure 19 Figure 19 Driver Side Shown Keep a distance of 12 13 inches for operatio
20. liSt c ccccecccececcecececececececuceneceueuenens 15 Troubleshooting Guide Troubleshooting Guide a cnsicinsarosnsnsinsierocrierraivontewmiarionancsnais 16 Checking for LeakS wwwwwmwwwnawwmawumamuwunawwma wima 17 FINO WAC AKG ii 17 Maintaining and Servicing the ie Maintenance Guidelines cccsseseecseseeeseeeeeseeeeesseeeeens servicing the RoadTamer SySteM wwwwmmmmemamamamawa ha What You Need to Know About RoadTamer About RoadTamer The RoadTamer suspension system and your vehicle s original eguipment steel spring suspension operate differently RoadTamer allows your vehicle to ride on air It lowers air pressure for lighter loads meaning you will have a softer ride when you don t need the heavy factory springs RoadTamer lowers your vehicle to be approximately level with the front suspension The result is a vehicle altitude very similar to that of a fully loaded vehicle The air management system then maintains that rear suspension height regardless of the load you carry Ride Height RoadTamer gives you optimum ride performance regardless of the load RoadTamer s air management system will maintain the vehicle s ride height within 1 2 You will enjoy a much more comfortable controllable and safer ride The design of RoadTamer is carefully considered to give you The Ultimate Suspension Upgrade Vehicle Leveling Side to Side Vehicl
21. more than two shocks oscillations the shocks are too worn If less than two oscillations shocks are too stiff Rear end jacks when e Shocks are not compatible e Truck lurches when e Install Air Lift Select A Ride vehicle is accelerated with air Suspension accelerating shocks Pneumatic Control System Problem Possible Problem Check Procedure Compressor doesn t run blown fuse e Check fuse e Replace fuse e loose wire or ground e Inspect wiring connections e Tighten loose wires or grounds e bad pressure switch e Jumper pressure switch e f compressor runs replace switch e f compressor does not run replace compressor Compressor runs all the HCV or height sensor is e Check manual for mounting e Move HCV or height sensor time mounted incorrectly location and adjustment further towards the pivot instructions bushing e Bad pressure switch e Disconnect switch e f compressor stops replace switch System will not kneel e Stuck or clogged solenoid e Inspect the exhaust port or e Replace solenoid energize the solenoid e Damaged or improperly e Ensure that switch wiring is e Replace switch if found faulty connected switch correct by referencing the wiring diagram in the Smart Air manual SmartAir Control System Problem Possible Problem Check Procedure Compressor doesn t run blown fuse e Check fuse e Replace fuse e loose wire or ground e Inspect wiring connections e Tighten loose wires or grounds e
22. n to verify that the driveline cancels correctly See the section Checking Driveline Angles toward the back of the installation manual Technical Support 1 800 248 0892 Ext 2 WUAISAS JaWIe PPOY Jyl Oj UOIJINDO JU Vehicle Requirements Vehicle Type Chevy 3500 Gross Vehicle Weight Rating GVWR NOTE For 4WD crew cab models use driveshaft spacer kit 26029 purchased seperately in addition to kit 39020 If you do not already have spacer kit 26029 you can purchase it by calling Air Lift s Customer Service Department at 800 248 0892 extension 1 Vehicle Years See the application guide for specific years 5th Wheel Hitch The installation of this RoadTamer kit will fit onto most vehicles with a fifth wheel hitch Some fifth wheel IMPORTANT The installation of this kit does not alter the GVWR or payload of the vehicle Check your vehicle 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 Certification Label Payload The combined maximum allowable weight of cargo and pasengers that the truck is designed to carry It is GVWR minus the Base Curb Weight hitches may require modifications to make the kit f
23. n of vehicle Figure 20 Technical Support 1 800 248 0892 Ext 2 13 waIsSAS soawe peoYy ey buljeisus Checking Driveline Angles 1 After the RoadTamer kit is installed the following 2 Wedge shims may be placed between the beams conditions must be true for the driveline angles both and axle to correct driveline angles that fall at unloaded and fully loaded ride heights outside this requirement Re check all driveline a oo angles after installing the shims a Condition 1 The operating angle at any individual joint must be between 0 1 and 4 The preferred 3 A minimum operating angle of 0 1 at each maximum angle is 2 universal joint is required to prevent dents from b Condition 2 When added together the forming on the bearing surfaces operating angles throughout the driveline MUST cancel The operating angles at either end of a shaft should be within 1 of each other or at least satisfy the following formula in order to provide adequate cancellation Figure 21 DRIVESHAFT JN une angle b pg Ns C TE Oto A N SIDE VIEW angee NY For a 3 joint 2 shaft driveline as shown above lt 4 0 Figure 21 Checking Angles in Various Conditions 1 Measure and record the driveline angles in each of c The completed vehicle loaded to Gross Vehicle the following conditions for later comparison Weight Rating GVWR with maximum front pa Gross Axle Weight Requirement G
24. sing Air Lift Products Mailing Address AIR LIFT COMPANY P O Box 80167 Lansing MI 48908 0167 Street Address AIR LIFT COMPANY 2727 Snow Rd Lansing MI 48917 Local Phone 517 322 2144 Fax 517 322 0240 www airliftcompany com For Technical Assistance call 1 800 248 0892 The Choice of the Professional Installer Printed in the USA LUTENI UIUIBP S pue b UIJIAI waiss ay O
25. they equal less than 1 Use the centering pin to attach the wedge to the correct beam and install the beams as directed in the section titled Attaching the Axle Beams DO NOT TIGHTEN FASTENERS until you have checked the driveline angles as instructed in the section dealing with that topic toward the back of this manual NOTE You must check the driveline angles for cancellation before completing the installation see the Driveline Angles section toward the back of the manual It may be necessary to reverse the shim and place it on the opposite side to maintain correct driveline angles Measure from the top of each frame rail at the rear of the frame to the ground The measurement must be made at vehicle ride height with the vehicle on level ground and with equal tire pressures The vehicle levelness is acceptable if the two measurements from side to side are within s If the vehicle is not level within 3 8 check that the 1 shim is placed properly Attaching the Axle Beams NOTE For 4WD crew cab models refer to the manual provided with the driveshaft spacer kit 26029 purchased seperately at this time You must have this spacer kit before proceeding If you do not already have spacer kit 26029 you can purchase it by calling Air Lift s Customer Service Department at 800 248 0892 extension 1 1 Attach the centering pins through each beam with the round head facing down Tighten the centering pin nut se
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