IR LIDE DRIVE AXLE AIR SUSPENSION - Stengel Bros Inc.

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REYCOGRANNING SUSPENSIONSAIRGLIDE DRIVE AXLE AIR SUSPENSIONRD950FOWNERS MANUALD979011/30/09, Rev D

Table of ContentsIntroduction .3Suspension Description .3Air Control System Description.3Controls.5Power ON/OFF Switch .5Exhaust/Inflate Switch.5Gauges, Lights, Buzzers .5Specific Control Panels.5Operation .6Maintenance Schedule .7Maintenance Record.8Torque Specifications .9Trouble Shooting.10Drive Axle Suspension System, General .10Air Control System .11Parts List .12General Notes.12Fastener/Fitting Abbreviations .12Typical Wiring Diagrams .12Suspension.139930 Dual Height Control Valve System.159932 Dual Height Control Valve System (With Dump Valves).165703 Warning Light/Buzzer Kit .179593 Auxiliary “Ping” Tank Kit.18Height Control Valve Kit.19Replacement Instructions and Warranty . Back Cover2

IntroductionCongratulations on your purchase of aReycoGranning Suspensions AIRGLIDE drive axle air suspension system. Founded in1948 by one of the pioneers of air suspensions,ReycoGranning Suspensions supplies driveand tag axle air suspension systems to avariety of original equipment manufactures aswell as to the aftermarket industry. The RSeries, trade named AIRGLIDE , are utilizedby OEM customers in applications such asrecreational vehicles, shuttle bus, trailer,chassis builders, Type I and III ambulancesand class 3 through 8 truck applications. Thisproduct line now exceeds 25 models that coverall major chassis utilized in the aboveapplications.A unique feature to the ReycoGranning Suspensions AIRGLIDE drive axle airsuspension system is the wear towers andwear blocks. These time proven componentsprevent unwanted side to side lateral motionwithout the use of costly and complex trackrods.Air Control SystemA primary subsystem of a ReycoGranning Suspensions AIRGLIDE drive axle airsuspension system is the air control system.Depending on the actual system used, the aircontrol system will provide the ability toautomatically control the amount of airpressure in the air springs, thus automaticallycontrol the suspension ride height.Suspension DescriptionThe major components of an automatic aircontrol system consist of an air compressor,reservoir tank, height control valve, and airspring. The operation of the system is simple.The compressor supplies air to the tank,which maintains the air pressure between 100- 125 psi. Air from the tank is supplied to theheight control valve. The height control valvesupplies air to or depletes air from the airspring via a mechanical linkage based on axleloading. The pressure changes in the airspring but the height remains the same,thereby giving the optimum ride regardless ofload.A ReycoGranning Suspensions AIRGLIDE drive axle air suspension system is areplacement rear suspensions system thatconsists of an air control system, air springs,trailing arm beams, brackets, and mountinghardware. In general, the air suspensionworks by maintaining a constant ride heightby adjusting the amount air pressure in theair springs. This allows the vehicle to remainlevel, regardless of loading. By varying theamount of air pressure in the springs, acomfortable ride is maintained whether lightlyor heavily loaded. This is the major differencebetween an air suspension and a conventionalsteel spring suspension. The steel springsuspension is usually designed for heavilyloaded condition and thus yields a harsh ridein lightly loaded conditions. In addition, thesteel spring suspension does not maintain aconstant ride height under varying loadconditions.A system with a single height control valvesupplies both air springs simultaneously whilea dual height control valve system supplieseach air spring separately. The dual systemincreases the sensitivity of side-to-sidedistributions of axle loading. A schematic ofeach system can be found in the Air ControlSystem Parts List section. See Air ControlSystem - Control Panels and Operationsections.By maintaining a constant ride height, thehorizontal center of gravity, steeringgeometry, and even the headlights remainlevel. The benefits of an air ride are:Haldex Brake Activated Spitter Valve1. Driver/passenger comfort,Located on the bottom of the air tankassembly, is a heated moisture ejector valve.This valve automatically releasesaccumulated water whenever the brake pedalis depressed.2. Protection of cargo, chassis and bodycomponents,3. Reduced stress fatigue to chassis framerails.The valve can be manually drained bypressing on the red button on the bottom ofthe valve.4. Greater stability and control.3

IntroductionOptional "kneeler" or exhaust valve(s) may beplumbed between the air springs and theheight control valve(s). When power isapplied to these valves, they shut off airsupply from the height control valve to the airsprings and exhaust air from the air springs.As long as power is supplied to the "kneeler"valve, usually through the "exhaust" positionof the "inflate/exhaust" switch, the air springswill remain deflated. With the air springsdeflated, the rear end of the vehicle willremain lowered, or "kneeled", with the chassisresting on positive jounce stops. Removingpower to the "kneeler" valve allows air to flowfrom the height control valve to the airsprings and shuts off exhaust from the airspring, thus inflating the air springs. Therear end of the vehicle is automatically raisedto the proper ride height. Systems with dualheight control valves require two "kneeler"valves, one between each air spring andheight control valve, if the exhaust option isequipped.proportional to the volume of the air spring.The larger the air spring volume, the lowerthe spring rate; thus the better the ride.However, the amount of air flowing betweenthe air spring and ping tank can limit theeffective air volume of the system. Therefore,adding larger and larger ping tanks may notresult in significant changes in the suspensionspring rate. ReycoGranning Suspensionsping tank kits have been designed to providethe ideal increase in volume and properairflow.A side effect in adding ping tanks is possibleincrease in air spring inflation times. With aping tank system installed, the larger volumeof air, which improves the spring rate, mustbe refilled each time the system is "kneeled".ReycoGranning Suspensions ping tank kitshave been designed to minimize this effect,while improving the ride.Finally, optional warning light sensors or airpressure gauges may be plumbed to either theair reservoir tank or to the air springs. Thesewarning devices will indicate possibleproblems with the air suspension system priorto operation. Gauges that are plumbed to thereservoir tank will read between 100 and 125psi, as described above. Any air gauge that isplumbed directly to the air spring will showfluctuations depending on axle loading andvehicle operationTo further improve the ride of an airsuspension, ReycoGranning Suspensionsoffers a dual ping tank kit. One ping tank isadded to each side between the air spring andthe height control valve, or "kneeler" dumpvalve if installed. These 200 cubic inch pingtanks effectively increase the volume of the airspring, without having to utilize a larger airspring. The spring rate of a system is directly4

ControlsDescriptions of the typical controls are foundbelow. Note: some original equipmentmanufactures (OEM) will use controlsintegrated into the instrument panel. Whilethe appearance may differ, the operation anddescription are consistent with below.While the switch is in the "Exhaust" position,the air springs will remain deflated.Exhausting air from the air springs may berequired to: assist in maintenance and lowerthe rear of the vehicle to assist in loading.Caution: Only operate the exhaust featurewhile the vehicle is parked. Never exhaustthe system while the vehicle is in motion.Power ON/OFF SwitchThis master switch turns the power off and onto the compressor and other electricalcomponents of the drive axle suspension. Toactivate the compressor and other electricalcomponents, move the switch to "ON".To inflate the air springs, place the switch inthe "Inflate" position.Gauges, Lights, BuzzersAs an option, the Air Pressure WarningLight/Buzzer kit may be installed. The gagewill indicate air tank pressure. If air pressurefalls below 20 psi, a warning light and buzzerwill activate. Do not operate the vehicle inthis condition. The buzzer/light will go offonce 40 psi air pressure is reached.The vehicle ignition switch may need to beturned on to activate this switch.Exhaust/Inflate SwitchIf the system is equipped with an optional"kneeler" exhaust valve(s), the control panelwill have an Exhaust/Inflate switch. Movingthe switch to "Exhaust" position exhausts allair from the air springs.Specific Control PanelsThe 5016 Control Panel Assembly, with PowerON/OFF only. Included with the 9932 AirControl Kit.ONOFFPOWERPOWERONOFFKNEELERThe 4982 Control Panel Assembly, with PowerON/OFF and “Kneeler” Dump Valve Switches.Also shown is the 1069 Air Pressure Gauge (0160 psi) and the 5401 Alarm Light/Buzzer.INFLATEThe 4982 Control Panel Assembly is includedwith the 9930 Air Control Kit. The 1069 Gaugeand 5401 Light/Buzzer are included in theoptional 5703 Warning Kit.EXHAUST5

OperationOperation of the ReycoGranning Suspensions AIRGLIDE drive axle suspensionutilizing an automatic height control system isreached through various control panels.Depending upon options included with thesuspension system, the control panel shouldbe operated as follows:To exhaust the system, if the suspension isequipped with an exhaust option:· Make sure the vehicle is parked.· Move the Exhaust/Inflate switch to the"Exhaust" position.· When exhausted, switch the power to "OFF"(if desired).Although the air suspension master powerswitch can be left "ON", ReycoGranning Suspensions recommends turning the systemoff while the vehicle is parked for anextended period, if the suspension system isnot switched through the vehicle ignitionswitch. This will avoid running down thebattery.Before operating the vehicle:· Switch the power to "ON", if "OFF".· Make sure the Exhaust/Inflate switch isin the "Inflate" position, if the suspension isso equipped.· If equipped, check that the Low PressureWarning Light and Buzzer is off.The vehicle is ready for operation.6

Maintenance ScheduleGeneral MaintenanceService to be PerformedMileage in Thousands3Spring Beam PivotConnection1224364860728496Inspect for worn bushingsXXXXXXXX1Inspect for signs of looseness due to worn partsXXXXXXXX1Check nut torqueXAxle ConnectionCheck “U”-bolt nut torqueXXXXXXXXX1Shock Absorbers2Inspect for signs of fluid leak, broken eye ends, loosefasteners, or worn bushingsXXXXXXXXX1Air SpringsInspect for proper clearance (1” minimum all around).XCheck mount nut torqueXInspect for signs of chafing or wearXXXXXXXXX1Check for air line fitting torqueXInspect for air leaks using soapy water solutionXHeight Control ValveLinkageInspect for signs of bending, binding, or slippageXXXXXXXXX1Air Fittings and Air LinesInspect for air leaks using soapy water solutionXInspect for signs of chafing, cracking, or wearXXXXXXXXX1Wheels3Check lugnut torques4XXXXXXXXX1Rebound StrapsCheck nut torqueXXXXXXXXX1Inspect for signs of chafing or wear.XXXXXXXXX1Inspect for signs of possible interferenceXWear BlockInspect for foreign material between the wear block andwear tower causing premature wear.XXXXXXXXX1Air CompressorCheck air compressor compartment or enclosure forproper air flow and venting.XXXXXXXXX1Compressor Air FilterCheck filter for dirt and debris. Clean and replace ifnecessary. Determine check interval at this time.XXXXXXXX1Spitter ValveWith air system turned on, press red button on bottomof valve and you should hear a hissing sound.XXXXXXXXX1With air system turned on, press brake pedal. Youshould hear a hissing sound.XXXXXXXXX11Continue to perform specified maintenance every 12,000 miles.2Shock absorbers are not a component part of the ReycoGranning Suspensions system. Please seeyour vehicle’s owners manual for instructions on the maintenance of shock absorber items.3See your vehicle’s owners manual for instructions regarding the maintenance of wheels and tires.4 Wheellug nuts must be retightened to proper torque specifications as per the vehicle or chassismanufacturer’s Owner Guide.7

Maintenance RecordName of OwnerAddress of OwnerDate of PurchaseName and Address of DealerModel of VehicleVehicle Identification NumberSuspension Model Number:Suspension Serial Number:Inspection and Maintenance ItemDateMileage8Service Performed

Torque SpecificationsMost threaded fasteners are covered byspecifications that define required mechanicalproperties, such as tensile strength, yieldstrength, proof load, and hardness. Thesespecifications are carefully considered in initialselection of fasteners for a given application.To assure continued satisfactory vehicleperformance, replacement fasteners usedshould be of the correct strength, as well as thecorrect nominal diameter, thread pitch, length,and finish.Figure 1: Grade Markings on BoltsGradeMost original equipment fasteners are identifiedwith markings or numbers indicating thestrength of the fastener. These markings aredescribed in Figures 5 and 6. Attention to thesemarkings is important in assuring that theproper replacement fasteners are used.ApplicationsLock NutGrade BLock NutGrade C, G3 Dots6 DotsIdentificationFigure 2: Grade Markings on Lock NutsTorque Sequence(if required)OEM*TorqueSpecification(Cleaned andLubricated)240 - 290 ft.-lb.Rebound Strap Upper Mount1/2-13 Grade G80 ft.-lb.N/ARebound Strap Lower Mount1/2-13 Grade C60 ft.-lb.N/AUpper Air Spring Pad Mount (to Frame)1/2-13 Grade G80 ft.-lb.N/AAir Spring Upper Mount3/4-16 Grade 535 ft.-lb.N/A1/2-13 Grade 535 ft.-lb.1/2-13 Grade C35 ft.-lb.Spring Beam Pivot ConnectionAir Spring Lower MountNut SizeStep torque to:“U”-Bolt Nuts5/8-18 Grade G50 ft.-lb.100 ft.-lb.150 ft.-lb.180 ft.-lb.follow sequence foreach step.* All torques are 10% unless otherwise specified.9N/AN/A

Trouble ShootingDrive Axle Suspension System--GeneralSymptomsPossible CausesRemediesExcessive vehicle roll or lateral movement(side to side movement).Loose or worn spring beam pivotconnection(s).Tighten (see previous torque chart) orreplace as required.Worn out spring beam pivot bushing(s).Replace as required.Axle “U”-bolts loose.Tighten (see previous torque chart) orreplace.Worn or failed wear blocks.Adjust gap or replace.Air suspension not turned on.Turn on air suspension.Incorrect ride height.Adjust to current ride height.Vehicle overloaded.Reduce drive axle load.Defective height control valve(s).Replace height control valves as required.Height control linkage disconnected ordamaged.Reattach or replace as required.Improper rebound strap/rebound straplocation.Replace with correct rebound strap. Note:Do not relocated rebound strap without priorauthorization from ReycoGranning Suspensions.Loose or worn shock absorbers.Shock absorbers are not a component part ofthe ReycoGranning Suspensions system.See your vehicle’s owners manual forinstructions regarding the maintenance of theshock absorbers.Driveline retarder (if equipped) oversized orimproperly set.Check driveline retarder documenation orwith the vehicle manufacturer for propersizing or setting of the retarder.ReycoGranning Suspensions does notsupply a driveline retarder.Incorrect ride height.Adjust to current ride height.Hard ride or axle bottoming out.Tire hop or poor handlingPrematurely worn front tires10

Trouble ShootingAir Control SystemSymptomsPossible CausesRemediesAir compressor runs excessivelyAir leak.Inspect all air lines, fittings, and air springswith a soapy water solution. Repair,retighten, or replace as required. Note:Plastic air lines must be cut square. See AirControl System Parts List (General Notes)for additional notes.Internal air leak in height control valve.Insert exhaust tube into a cup of water andexamine for bubbles. This will showevidence of both inlet and exhaust valveleaks. Replace components.Moisture ejector valve stuck open.Check and replace if necessary.Check valve installed incorrectly.Arrow should point away from the aircompressor head. Correct if necessary.Dump valve(s), or “kneeler(s)”, leaking.Check and replace if necessary.Height Control Valve stuck in the exhaustposition.Locate obstruction and remove or relocateinterference.Inline fuse burnt or circuit breaker tripped.Replace or reset.Air compressor motor burnt out.Inspect and replace as required.Disconnected or broken wire.Inspect and correct or replace if necessary.Ignition switch and/or suspension powerswitch not on.Turn on ignition switch and/or suspensionswitch.Air compressor will not start11

Part ListsPart ListsGeneral Notes1. Air line tubing should be 1/4” D.O.T. plastic air line tubing.2. The tubing ends must be cut straight and insert the full depth into the fittings otherwise leakswill result. Check all connections for air leaks.3. Protective air line loom is recommended.4. All air line fittings to be brass air brake compatible--Parker NTA or equivalent.5. Fastener/Fitting LZN(Hex) Flange Head BoltHex Head BoltSocket Flat Countersunk Head Cap ScrewSocket Head Cap ScrewFittingsWashersFWHFWSLWPhosphorous and OilPlainZinc (or ZP)TMPTFPT(Unhardened) Flat WasherHardened Flat WasherSpring Lock WasherTubing, Air Line (O.D.)Male Pipe ThreadFemale Pipe ThreadNutsFNJNLFNLNN(Hex) Flange Nut(Hex) Jam Nut(Hex) Locking Flange Nut(Hex) Lock Nut(Hex) NutTypical Electrical DiagramsSee Air Control Kit for complete electrical wiring diagrams.Control Panel“Kneeler”SwitchON/OFFSwitchTo Dump“Kneeler”ValveTo PressureLimit SwitchTypical Control Panel Wiring Diagram(4982 Control Panel Shown)12

Part ListsSuspension (RD950F)ItemPart art 225Serial Tag (Not Shown)Clip Plate AssemblyRebound Strap Bracket AssemblySleeve, Rebound Strap (2.06”)Sleeve, Rebound Strap (1.00”)Rebound Strap (7.00”)Wear Block L.H.Wear Block R.H.Backing Plate (Shim)H.C.V. Bracket (Lower)Air SpringAir Spring Pad L.H.Air Spring Pad R.H.Spring Beam AssemblySpacer, U-Bolt (1.00”)DescriptionU-Bolt, 5/8”-18 x 8.375”1/2”-13, Gr. G, Locking Flange Nut3/8” Flat Washer1/2”-13 x 3 1/2”, Gr. 8, PH, Flange Bolt1/2”-13 x 5”, Gr. 8, Flange Bolt5/8”-18, Gr. G, Locking Flange Nut1/2”-13 x 1 1/4”, Gr. 8, Flange Bolt3/8”-24 x 1 1/2”, Countersunk Bolt1/2”-13, Gr. B, Nut1/2” Spring Lock Washer3/4”-16, Gr. B, Jam Nut3/4” Flat Washer3/8”-24, Gr. C, Lock Nut1/2” Flat Washer, (.531” ID x 2.00” OD x .125”)Note: The ride height is for the completed vehicle with body and components. See table below forcorrect vehicle dimensions.ChassisReycoGranning Suspensions ModelFord E-SuperDuty Cab Cutaway ChassisRD950FLoaded 5”8.80”2.69”3.64”* Loaded frame height is measured from the ground (flat and level) to the top of the vehicle frame at the rear ofvehicle, behind the axle as shown (unstretched frame).13

Part ListsSuspension (RD950F-CMC)ItemPart art 225Serial Tag (Not Shown)Clip Plate AssemblyRebound Strap Bracket AssemblySleeve, Rebound Strap (2.06”)Sleeve, Rebound Strap (1.00”)Rebound Strap (7.00”)Wear Block L.H.Wear Block R.H.Backing Plate (Shim)H.C.V. Bracket (Lower)Air SpringAir Spring Pad L.H.Air Spring Pad R.H.Spring Beam AssemblySpacer, U-Bolt (3.00”)DescriptionU-Bolt, 5/8”-18 x 10.375”1/2”-13, Gr. G, Locking Flange Nut3/8” Flat Washer1/2”-13 x 3 1/2”, Gr. 8, PH, Flange Bolt1/2”-13 x 5”, Gr. 8, Flange Bolt5/8”-18, Gr. G, Locking Flange Nut1/2”-13 x 1 1/4”, Gr. 8, Flange Bolt3/8”-24 x 1 1/2”, Countersunk Bolt1/2”-13, Gr. B, Nut1/2” Spring Lock Washer3/4”-16, Gr. B, Jam Nut3/4” Flat Washer3/8”-24, Gr. C, Lock Nut1/2” Flat Washer, (.531” ID x 2.00” OD x .125”)Note: The ride height is for the completed vehicle with body and components. See table below forcorrect vehicle dimensions.ChassisReycoGranning Suspensions ModelFord E-SuperDuty Cab Cutaway ChassisRD950F-CMCLoaded 5”10.82”2.69”3.64”* Loaded frame height is measured from the ground (flat and level) to the top of the vehicle frame at the rear ofvehicle, behind the axle as shown (unstretched frame).14

Part Lists9932 Dual Height Control Valve SystemItemPart tionItemPart 83-01Tee, Union, 1/4T X 1/4T X 1/4TConnector, Female 1/4T X 1/4 FPTCheck ValveCompressor, 1/3 HP 12 VDCStraight Connector 1/4 T X 1/4 MPTKit, HCV for RD11KF and RD975FKit, HCV for RD1350FKit, HCV for RD950FKit, HCV for RD800F45 Degree 1/4 MPT X 1/4 FPT3/16 ID X 1/4 OD X 12 CV TubingIsolator, VibrationSLW 5/16 .328 X .586 X .088 ZPFW 5/16 .344 X .688 X .065 ZPN 5/16-18 GR 8 ZP15DescriptionSwitchPanelLFN 1/2-13 Gr G ZNFHB 1/2-13 X 1 1/2 Gr 8 ZNFHB 1/2-13 X 1 1/4 Gr 8 ZNElbow 90 1/4T X 1/4 MPTSwitch, Pressure ControlLoom, Braided Nonmetallic (Not Shown)Pipe PlugDrain Valve, Heated 12VDCTank, Air ReservoirBracket, Air Tank MountSolenoid S.P.S.T.Circuit Breaker 20A CyclingWiring Harness With Relay

Part Lists9930 Dual Height Control Valve System (With Dump Valves)ItemPart 101112131415DescriptionItemPart 862587068721703683-01Tee, Union, 1/4T X 1/4T X 1/4TConnector, 1/4T X 1/8 MPTConnector, Female 1/4T X 1/4 FPTCheck ValveValve, Dump, 12 VDC 3 Way No.Kit, HCV for RD11KF and RD975FKit, HCV for RD1350FKit, HCV for RD950FKit, HCV for RD800FConnector, 3/16 HB X 1/8 MPT PlasticTubing, 3/16 ID X 1/4 OD X 3 CVCompressor, 1/3 HP 12 VDCStraight Connector 1/4 T X 1/4 MPT45 Degree 1/4 MPT X 1/4 FPT3/16 ID X 1/4 OD X 12 CV TubingIsolator, VibrationSLW 5/16 .328 X .586 X .088 ZPFW 5/16 .344 X .688 X .065 ZP16DescriptionN 5/16-18 Gr 8 ZPSwitchSwitch – Toggle, RedPanelLFN 1/2-13 Gr G ZNFHB 1/2-13 X 1 1/2 Gr 8 ZNFHB 1/2-13 X 1 1/4 Gr 8 ZNElbow 90 1/4T X 1/4 MPTSwitch, Pressure ControlLoom, Braided Nonmetallic (Not Shown)Pipe PlugDrain Valve, Heated 12VDCTank, Air ReservoirBracket, Air Tank MountSolenoid S.P.S.T.Circuit Breaker 20A CyclingWiring Harness With Relay

Part Lists5703 Warning Light/Buzzer KitItemPart No.12345402044104285401DescriptionItemPressure Sensor, 25/40 psiTee, 1/4 FPT x 1/4 MPTConnector, 1/4 T x 1/4 MPTAlarm, Dual (Light and Buzzer)56717Part No.Description1069Gage, Air Pressure 0-160 psi, Lighted702603-01 Union Tee, 1/4 T x 1/4 T x 1/4 T0131Connector, 1/4 T x 1/8 FPT

Part ListsPing Tank Kit (p/n 9593)ItemPart nector, 1/2 T x 1/4 MPTTubing, 1/2” D.O.T.Loom, 5/8”Connector, 1/2 T x 1/2 MPTConnector, 1/4 T x 1/4 MPT1/2"-20 x 1 1/2", Gr. 8, Hex Head BoltItemPart 41/2” Flat Washer1/2” Spring Lock Washer1/2”-20, Gr. 5, Hex NutPlug, 1/4" Square HeadPing Tank, 200 cu. in., 4” dia.Notes:1.For best results, the ping tank should be mounted as close to the air spring as possible.2.If the air system contains “kneeler” dump valves, the above tank system must be insertedbetween the “kneeler” valve and the air spring.18

Part Lists7764 Height Control Valve KitItemPart 180020Connector, 1/4 T x 1/8 MPTHeight Control ValveHeight Control Valve Fastener KitN 1/4-20SLW 1/4HHB 1/4-20 x .75 Gr. 5ItemPart No.44a4b4c4d6018---------If height control valve adjustment is required,please follow the listed steps:DescriptionLinkage Rod KitNutLock WasherStudLinkage Rod, 7.67” Long3. Loosen the lock clamp on the upper end ofthe linkage rod. (Nominal Rod Length:12.25” from stud center to stud center).1. Secure the vehicle by blocking all wheels.4. Slide the connector up or down the linkagerod to achieve the correct ride height. Theheight control valve arm must be in ahorizontal orientation after the systemhas stabilized and the correct ride heightis achieved.2. Determine the correct ride height of thesuspension. See Suspension Parts Listsection for a listing of correct ride heights.Note: The ride height is measured at thecenter of the axle to the bottom of theframe behind the axle (see SuspensionPart List drawing for exact location).5. Retighten the lock clamp.19

Replacement Instructions and WarrantyReplacement InstructionsNOTE: Due to the nature of service to beperformed it is recommended that a qualifiedmechanic do the work.For service parts, contact an authorizedReycoGranning Suspensions dealer.WarrantyReycoGranning Suspensions warrants its RSeries suspensions to be free from defects inmaterial and workmanship under normal useand service in the U.S. and Canada for 12months or 24,000 miles whichever comes first.according to the instructions in theReycoGranning Suspensions owner's manualand any applicable vehicle owner's manual,and for properly instructing all operators andmaintenance personnel.As used herein, the term "normal use andservice" means that the suspension will beinstalled, operated, inspected and maintainedin accordance with the applicableReycoGranning Suspensions owner'smanual, and any applicable vehicle owner'smanual or instructions.Limitations and ExclusionsAdjustmentsThe starting date for the above warrantyperiod is the date of purchase of thesuspension by the first end user. Proof of suchdate is the responsibility of the first end user.If the purchase date is not established toReycoGranning Suspensions satisfaction, thedate of manufacture determined from thesuspension system's serial number shall beused as the effective starting date. Whenadjustment is sought under this warranty, aclaim should be made by contacting thedistributor or manufacturer who installed thesuspension, who will coordinate the fix,documentation, parts shipment, etc. directlywith ReycoGranning Suspensions.Installer and End UserResponsibilitiesThe installer is responsible for installing theproduct according to ReycoGranning Suspensions approved procedures; theinstaller is also responsible (either directly orthrough its agent/dealer) for providing a copyof ReycoGranning Suspensions warrantyand owner's manual to the end user, and foradvising the end user of proper use, serviceand maintenance required for the product.The end user is responsible for operating,inspecting and maintaining the suspensionNo warranty applies in the event of: use ofcomponents, parts and/or accessories notobtained from or approved byReycoGranning Suspensions or which do notmeet ReycoGranning Suspensions qualityand performance specifications; improperinstallation, maintenance or repair; misuse orabuse including but not limited to overloading;or unauthorized alterations or modifications.The above warranties are subject to the"Warranty Limitations" and "Remedies"sections of ReycoGranning Suspensionsinvoice terms and conditions.This policy supersedes any previous warrantystatements.

Suspension Description A ReycoGranning Suspensions AIRGLIDE drive axle air suspension system is a replacement rear suspensions system that consists of an air control system, air springs, trailing arm beams, brackets, and mounting hardware. In general, the air suspension works by maintaining a constant ride height

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