Service Manual
Contents
1. Manual No 7018081 01 Rel Apr 1999 Copyright Isringhausen 1999 9 REMOVAL and INSTALLATION MODEL 6800 348 PREMIUM Seat pan assembly lever and handle torque to Set up 7 4 8 1 lb ft Seat cushion must be removed from 10 11 N m seat see Cushion seat pan Removal Pull handle off e Remove lever fasteners and remove lever Installation Align locator button of lever with hole in seat pan Fasten lever to seat pan with screw and washer Push handle on Height adjustment valve torque to 15 9 19 5 Ib in Set up 1 8 2 2 Nem e Seat cushion must be removed from 5 seat see Cushion seat pan Removal e Mark and remove air lines from valve e Remove valve fasteners Remove valve Installation Fasten valve to seat frame with Screw e Connect air lines 10 Copyright Isringhausen 1999 Manual No 7018081 01 Rel Apr 1999 MODEL 6800 348 PREMIUM REMOVAL and INSTALLATION Height adjustment handle Set up Vehicle must be in a safe parked position or seat removed from vehicle Control cover must be removed see Covers front LH and RH Removal e Remove screw and cam Pull handle and lever out e Remove retainers Installation Put upper retainers in place Put lever in place Put lower retainers in place be sure it snaps in place e Install cam and screw Install handle Height adjustment cylinder and cam Set up Vehicle must be in a safe parked position or se2. the seat Look for damaged or worn upholstery and parts The seat should be clean and free of dirt and debris Check all the seat functions they should work properly and be in good condition 1 Adjustable armrest Should move up freely the adjustment knob should be easy the armrest must stay in the adjusted position 2 Backrest adjustment The control should be easy to release then the backres move freely The backrest must stay in the adjusted positic 3 Backrest side bolster The control should be easy to move to the inflate or de position and must return to neutral when released Each s support should inflate and deflate evenly and stay at tl adjusted firmness 4 Height adjustment Control should be easy to move and hold the seat in the adjusted position when released 5 Horizontal adjustment Control should be easy to move and hold the seat in the adjusted position when released 6 Seat tilt adjustment Control should be easy to move and hold the seat in position when released 7 Lower and upper lumbar support The controls should be easy to move to the inflate or 9 deflate position and must return to neutral when released Each lumbar support must stay at the 11 adjusted firmness 8 Cushion length adjustment Control should be easy to move and hold the seat cushion in the adjusted position when released 9 Adjustable shock absorber Control should be easy to move and stay in position when released 10 Quick air rel
3. torque to 15 9 19 5 Ib in 1 8 2 2 Nem 12 Copyright Isringhausen 1999 Manual No 7018081 01 Rel Apr 1999 MODEL 6800 348 PREMIUM REMOVAL and INSTALLATION Quick air release valve suspension torque to 15 9 19 5 Ib in Set up 1 8 2 2 Nem Seat cushion must be removed from seat see Cushion seat pan Removal Mark and remove air lines from valve e Remove valve fasteners and remove valve Installation Fasten valve to suspension with screws Connect air lines Riser and Suspension Set up riser and suspension Vehicle must be in a safe parked position or seat removed from vehicle Set up suspension Boot Boot adapter plate ICP bar and tethers must be removed see Boot Boot adapter plate ICP bar and tethers Removal suspension e Remove air line e Remove suspension to riser fasteners and remove suspension Installation suspension Put suspension in place Install fasteners and torque to 14 8 18 4 Ib ft 20 25 Nem Connect air line Removal riser e Remove riser to floor fasteners and remove riser Installation riser torque to Put riser in place and install fasteners manufactures torque to manufactures specification recommendation Manual No 7018081 01 Rev Apr 1999 Copyright Isringhausen 1999 13 14 REMOVAL and INSTALLATION Seat frame Set up e Seat cushion and backrest must be removed from seat see Cushion seat pan and Back
4. ALLATION item CONOR WN gt A 2 2 2 O 20 part number MODEL 6800 348 PREMIUM description 910353 09 ADJUSTABLE SHOCK ABSORBER CABLE KIT BLK 98889 06 ADJUSTABLE SHOCK ABSORBER KIT 98872 15 AIR SPRING KIT 924473 00 ARMREST KIT LH BLK W O UPH 924474 00 ARMREST KIT RH BLK W O UPH 04085 00 111776P02 926513 01 921842 02 921843 11 921844 11 921843 10 921844 10 915105 03 914516 04 921849 03 921849 04 933649 01 921850 01 98976 08 98875 08 98873 01 26900D01 18755 04 111973P02 111973P03 920272 01 920272 04 3901 7 04 39018 04 914514 32 914514 32 111779P03 112256P02 110933P01 03939 01 03940 01 914500 27 914500 28 111577 04 921845 01 111833 02 924464 01 921855 01 921855 02 95477 05 BACKREST ASM PACCAR NUDE BOOT ADAPTER PLATE BOOT KIT COVER KIT FRONT COVER KIT CONTROL LH W IPS BLK COVER KIT CONTROL RH W IPS BLK COVER KIT NON CONTROL LH COVER KIT NON CONTROL RH DISTRIBUTION VALVE KIT GLIDE KIT SEAT PAN HANDLE KIT SEAT FRAME LH BLK HANDLE KIT SEAT FRAME RH BLK HEIGHT ADJUSTMENT CYLINDER CAM KIT HEIGHT ADJUSTMENT HANDLE KIT BLK HEIGHT ADJUSTMENT VALVE KIT LH WAS 98976 07 HEIGHT ADJUSTMENT VALVE KIT RH WAS 98875 07 HEIGHT ADJUSTMENT VALVE KIT SUSPENSION WAS 98873 HORIZONTAL ADJUSTMENT SLIDE HANDLE BLK WAS 26900P01 HORIZONTAL ADJUSTMENT SLIDE SET BLK ICP BAR KW ICP BAR PB LUMBAR BOLSTER
5. ALLATION MODEL 6800 348 PREMIUM Air spring Set up torque to e Seat must be removed from 44 2 62 lb in vehicle 5 7Nem 3 Seat cushion must be removed do not over tighten from seat see Cushion seat j pan Removal e Mark and disconnect air line e Remove top and bottom mounting fasteners e Remove air spring Installation e Put air spring in place Install top and bottom mounting fasteners Connect air line Boot Boot adapter plate ICP bar and tethers torque to Set up 14 8 18 4 lb ft Vehicle must be in a safe parked 20 25 Nem position or seat removed from vehicle Horizontal adjustment must be removed see Horizontal adjustment Removal Remove belts from ICP bar e Remove boot fasteners remove boot and boot adapter plate e Remove fasteners tether plate tether brackets tethers and ICP bar Installation Install fasteners tether plate tether brackets tethers and ICP bar Install boot adapter plate boot and fasteners Install belts to ICP bar 16 Copyright Isringhausen 1999 Manual No 7018081 01 Rel Apr 1999 MODEL 6800 348 PREMIUM REMOVAL and INSTALLATION Adjustable shock absorber handle and cable handle end Set up e Seat cushion must be removed from seat see Cushion seat pan Removal e Remove fasteners and move control bracket and cable up away from seat frame e Remove control handle pin and control handle e Remove cable pin and cabl
6. BSORBER 17 HEIGHTADJUSTMENT VALVE DISTRIBUTION VALVE 18 SUSPENSION 10 PARTS 19 REMOVAL AND INSTALLATION PAGE NUMBERS 9 A Manual No 7018081 01 Rel Apr 1999 Copyright Isringhausen 1999 1 GENERAL SAFETY MODEL 6800 348 PREMIUM In this manual safety messages will alert persons to a specific hazard the degree or level of hazard seriousness the probable consequences of involvement with the hazard and how the hazard can be avoided Safety messages will include the safety alert symbol a signal word and a word message SAFETY ALERT SYMBOL Indicates a potential personal safety hazard SIGNAL WORDS DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury WARNING Indicates an potentially hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates an potentially hazardous situation which if not avoided may result in minor or serious injury WORD MESSAGE The word message will identify the hazard indicate how to avoid the hazard and advise of probable consequence of not avoiding the hazard 2 Copyright Isringhausen 1999 Manual No 7018081 01 Rel Apr 1999 MODEL 6800 348 PREMIUM Problem Armrest will not stay in position Backrest will not adjust and or stay adjusted Lumbar Bolster will not inflate Height will not adjust and or stay adjusted Horizontal slide will not adjust and or s
7. Isringhausen Seat Model 6800 348 Premium PACCAR Service Manual Read and understand this manual before servicing this seat Manual No 7018081 01 Rel Apr 1999 Copyright Isringhausen 1999 INTRODUCTION MODEL 6800 348 PREMIUM SERVICE AND REPAIR Proper service and repair are important to the safe reliable operation of this seat Service and repair should be preformed only by responsible persons who have been properly instructed and authorized to do so The procedures recommend in this manual are safe effective methods for performing service and repair operations We could not possibly know evaluate and advise the service trade of all conceivable ways in which service can be done or of the possible hazardous consequences of each way If you use a service procedure which is not recommended be sure that personal safety and equipment safety will not be jeopardized It is the responsibility of the mechanic performing the service and repair to inspect for abnormal wear and damage choose a repair procedure that will ensure your safety the safety of others and the safe operation of the equipment fully inspect and test the equipment to ensure that the repair or service has been properly performed and the equipment will function properly This manual describes the correct service procedures for Model 6800 348 Premium seats The information in this manual was current at the time of printing and is subject to change without no
8. KIT OLD STYLE LUMBAR BOLSTER KIT NEW STYLE LUMBAR BOLSTER VALVE LH BLK LUMBAR BOLSTER VALVE RH BLK QUICK AIR RELEASE VALVE AND HANDLE KIT LH BLK WAS 914514 21 QUICK AIR RELEASE VALVE AND HANDLE KIT RH BLK WAS 914514 22 RISER 127 MM KW W900 amp T2000 RISER 110 MM PB 379 amp 387 RISER 76 MM KW PB SEAT FRAME ASM LH BLK SEAT FRAME ASM RH BLK SEAT FRAME TOOTH PLATE KIT LH WAS 914500 23 SEAT FRAME TOOTH PLATE KIT RH WAS 914500 24 SEAT PAN ASM NUDE BLK SEAT PAN ASSEMBLY LEVER AND HANDLE KIT BLK SUSPENSION ASM TETHER INTERNAL AND TETHER PLATE KIT TILT HANDLE KIT LH BLK TILT HANDLE KIT RH BLK SUSPENSION HARDWARE KIT Manual No 7018081 01 Rel Apr 1999 Copyright ISRINGHAUSEN 1999 2003 2006 Rev 1 Oct 2003 Rev 2 Apr 2006 Rev 3 Jul 30 2007 Rev 4 Dec 10 2007
9. at removed from vehicle Seat cushion must be removed from seat see Cushion seat pan Removal Air cylinder e Remove base end pin and retainer washer remove rod end fastener air line and remove cylinder Cam e Remove rod end fastener e Remove E ring and mounting pin e Remove cam Installation Air cylinder Put cylinder in place and install base end pin and retainer washer install rod end fastener connect air line Cam Put cam in place and install pin and E ring 1 Cylinder kit Install rod end fastener 2 Cam kit Manual No 7018081 01 Rev Apr 1999 Copyright Isringhausen 1999 11 REMOVAL and INSTALLATION MODEL 6800 348 PREMIUM Horizontal adjustment slide set Set up Seat frame must be removed see Seat frame Removal Move horizontal adjustment forward or back to allow access to fasteners e Remove mounting fasteners Installation Move horizontal adjustment forward or back to allow access to fasteners Install mounting fasteners Eh m A torque to 14 8 18 4 Ib ft 20 25 Nem Quick air release valve and handle LH and RH Set up Seat cushion must be removed from seat see Cushion seat pan Removal Mark and remove air lines from valve e Remove valve fasteners e Remove valve e Remove valve handle pin and valve handle Installation Fasten valve handle to valve with pin Fasten valve to seat frame with w screw 44 Connect air lines
10. e e Remove plug from bracket and remove cable Installation Put cable in bracket and secure with plug Route cable through control body and fasten to control handle with pin Fasten control handle to control body with pin Fasten control and bracket to frame with screws Adjustable shock absorber and cable shock absorber end Set up Vehicle must be in a safe parked position or seat removed from vehicle e Seat cushion must be removed from seat see Cushion seat pan Removal Adjustable shock absorber e Remove retaining rings e Remove shock absorber Adjustable shock absorber cable e Remove retaining ring e Remove cable Installation Adjustable shock absorber cable Put cable in place e Install retaining ring Adjustable shock absorber Put shock absorber in place Install retaining rings Manual No 7018081 01 Rev Apr 1999 Copyright Isringhausen 1999 17 REMOVAL and INSTALLATION MODEL 6800 348 PREMIUM Distribution valve Set up Seat cushion must be removed from seat see Cushion seat pan Removal e Mark and remove air lines from valve e Remove valve fastener and remove valve Installation e Fasten valve to frame with screw e Connect air lines 18 Copyright Isringhausen 1999 Manual No 7018081 01 Rev 1999 MODEL 6800 348 PREMIUM REMOVAL and INSTALLATION Manual No 7018081 01 Rel Apr 1999 Copyright Isringhausen 1999 19 REMOVAL and INST
11. ease Control should be easy to move and hold seat in the adjusted position when released 11 Horizontal isolator Control should be easy to move and stay in position when released 5 If the seat is not functioning properly take it out of service until it can be repaired 4 Copyright Isringhausen 1999 Manual No 7018081 01 Rel Apr 1999 MODEL 6800 348 PREMIUM INSPECTION Air supply Air supply to seat must 90 to 145 p s i Critical fastener torque Seat to seat rails torque to 14 8 18 4 Ib ft 20 25 Nem Seat rails to suspension torque to 14 8 18 4 Ib ft 20 25 N m p Armrest to seat torque to 14 8 18 4 Ib ft 20 25 Nem Suspension to riser torque to 14 8 18 4 Ib ft 20 25 Nem Manual No 7018081 01 Rel Apr 1999 Copyright Isringhausen 1999 5 REMOVAL and INSTALLATION MODEL 6800 348 PREMIUM CAUTION Avoid the risk of injury Vehicle must be in a safe parked position before working on the seat NOTICE To remove seat from vehicle follow vehicle manufacturer s instructions Armrest Set up Vehicle must be in a safe parked position or seat removed from vehicle Removal Remove fasteners Remove armrest Installation Fasten armrest to seat with screws and lockwashers Torque screws to 14 8 18 4 Ib ft 20 25 Nem Backrest Set up Vehicle must be in a safe parked position or seat removed from vehicle Removal Mark and disconnect air
12. lines e Remove fasteners Pry one side of seat frame away from backrest Remove backrest Installation Put one side of backrest in place Pry other side of seat frame away and put backrest in place Fasten backrest to seat frame with shoulder bolts Torque shoulder bolts to 22 25 5 Ib ft 30 35 Nem Connect air lines 6 Copyright Isringhausen 1999 Manual No 7018081 01 Rel Apr 1999 MODEL 6800 348 PREMIUM REMOVAL INSTALLATION Backrest assembly Set up Backrest must be removed from seat see Backrest Removal e Remove upholstery e Remove backrest liner e Remove backrest cushion fasteners Remove backrest cushion Installation e Fasten backrest cushion to backrest us RE torque to e Put backrest liner in 53 88 Ibin place 0 6 1 0 Nem e Install upholstery do not over tighten Lumbar and bolster air bags Set up e Remove backrest components see Backrest assembly Removal e Remove air bag clips push fasteners and cable ties e Remove air bags Installation Fasten air bags to backrest frame with clips put long clip arm over bar and snap bottom of clip in place Install push fasteners and cable ties Manual No 7018081 01 Rel Apr 1999 Copyright Isringhausen 1999 7 REMOVAL and INSTALLATION MODEL 6800 348 PREMIUM Lumbar and bolster valve Set up Cover must be removed from seat see Covers front LH and RH Removal Mark air line a
13. nd remove them from valve Press valve clips in and remove valve from cover Installation e Snap valve into cover Connect air lines Covers front LH and RH Set up Vehicle must be in a safe parked position or seat removed from vehicle Removal Front cover e Remove fasteners and cover Control cover Remove backrest adjustment handle Remove tilt adjustment handle for fastener access e Remove fasteners and cover Non control cover e Remove fasteners and cover Installation Control cover Fasten cover to seat frame with screws Install backrest adjustment handle Install tilt adjustment handle removed for fastener access Non control cover Fasten cover to seat frame with screws torque to Front cover 5 3 8 8 Ibin e Fasten cover to seat frame with screws 0 6 1 0 Nem do not over tighten 8 Copyright Isringhausen 1999 Manual No 7018081 01 Rel Apr 1999 MODEL 6800 348 PREMIUM REMOVAL INSTALLATION Seat pan assembly Set up Vehicle must be in a safe parked position or seat removed from vehicle Removal Slide cushion assembly forward Pry lever handle up to release cushion stop lift cushion off of glides Installation Put seat cushion assembly on glides and slide back Glides seat pan Set up Seat cushion must be removed from seat see Cushion seat pan Removal e Remove cushion glides Installation Install cushion glides to seat frame
14. rest Shock absorber handle and cable must be removed see Adjustable shock absorber handle and cable handle end Removal e Mark and remove air lines e Remove fasteners e Remove seat frame Installation Fasten seat frame to static spacer rails with bolts and nuts Torque fasteners to 14 8 18 4 Ib ft 20 25 Nem Connect air lines Seat frame tooth plate Set Backrest and covers must be removed from seat see Backrest and Covers front LH and RH Removal e Remove seat latch fasteners Remove seat latch e Remove connecting link Installation Install connecting link Fasten seat latch to seat frame with screws Copyright Isringhausen 1999 MODEL 6800 348 PREMIUM ee qo aa Em torque to 14 8 18 4 Ib ft 20 25 Nem Manual No 7018081 01 Rel Apr 1999 MODEL 6800 348 PREMIUM REMOVAL and INSTALLATION Backrest adjustment handle Set up Vehicle must be in a safe parked position or seat removed from vehicle Removal Pull handle off Installation e Push handle on Tilt handle Set up Vehicle must be in a safe parked position or seat removed from vehicle Removal e Remove springs Pull handle and lever out e Remove retainer Installation Put lever in place Install retainer be sure it snaps in place Install springs Install handle Manual No 7018081 01 Rev Apr 1999 Copyright Isringhausen 1999 15 REMOVAL and INST
15. tay adjusted Seat pan assem will not adjust and or stay adjusted Quick air release will not function Adjustable shock absorber will not adjust Suspension will not function properly Manual No 7018081 01 Rel Apr 1999 Cause Armrest control is defective Teeth on backrest are defective Backrest seat latch is defective No air supply to seat Air lines leak Valve is defective Air bags leak Height adj cam is defective Height adj cylinder is defective Height adj valve is defective Horizontal slide is defective Seat pan lever is defective Seat pan glides are defective No air supply to seat Valve is defective Shock absorber is defective Shock absorber cable is defective Suspension is defective Copyright Isringhausen 1999 Solution Replace armrest Replace backrest Replace backrest seat latch 90 to 145 psi req d Replace air lines Replace valve Replace air bags Replace height adj cam Replace height adj cylinder Replace height adj valve Replace horizontal slide Replace seat pan lever Replace seat pan glides 90 to 145 psi req d Replace valve Replace shock absorber Replace shock absorber cable Replace suspension TROUBLESHOOTING Page N 00 IN C1 11 10 17 17 INSPECTION MODEL 6800 348 PREMIUM A CAUTION Avoid the risk of injury Vehicle must be in a safe parked position before inspecting seat Visually inspect
16. tice or liability READ AND UNDERSTAND THIS MANUAL AND THE OPERATOR S MANUAL Learn how to service Model 6800 348 Premium seats Failure to do so could result in personal injury or equipment damage Consult your dealer if you do not understand the instructions in this manual and or need additional information KEEP THIS MANUAL This manual should be considered a permanent part of the seat and be available for reference when servicing the seat WARRANTY Warranty is provided as part of Isringhausen s support program for customers who operate and maintain their seat as shown in this manual See the warranty for details li Copyright Isringhausen 1999 Manual No 7018081 01 Rel Apr 1999 MODEL 6800 348 PREMIUM TABLE of CONTENTS subject page subject page INTRODUCTION i HEIGHTADJUSTMENT HANDLE 11 GENERAL SAFETY 2 HEIGHTADJUSTMENT CYLINDER AND CAM 11 TROUBLESHOOTING 3 HORIZONTALADJUSTMENT SLIDE SET 12 INSPECTION 4 QUICK AIR RELEASE VALVE AND HANDLE 12 REMOVALAND INSTALLATION QUICK AIR RELEASE VALVE SUSPENSION 13 ARMREST 6 RISER AND SUSPENSION 13 BACKREST 6 SEAT FRAME 14 BACKREST ASSEMBLY y SEAT FRAME TOOTH PLATE 14 LUMBAR BOLSTER AIR BAGS 7 BACKRESTADJUSTMENT HANDLE 15 LUMBAR BOLSTER VALVE 8 TILT ADJUSTMENT HANDLE 15 COVER FRONT LH AND RH 8 AIR SPRING 16 SEAT PAN ASSEMBLY 9 BOOT BOOTADAPTER PLATE GLIDE SEAT PAN 9 ICP BAR AND TETHERS 16 SEAT PAN ASSEMBLY LEVER ADJUSTABLE SHOCK ABSORBER CABLE 17 AND HANDLE 10 ADJUSTABLE SHOCK A
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