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isri service manual

1. 42 43 44 45 part number 910353 11 98889 06 98872 15 924473 32 924474 32 03003 00 111776P02 926513 01 110922 00 47541 920260 04 920260 07 927399 01 927399 02 920263 04 920263 05 927398 01 927398 02 920262 03 920262 02 927397 01 927397 02 920261 03 920261 02 927396 01 927396 02 915105 03 914516 04 920264 03 920264 03 933649 01 920266 05 920266 06 98976 08 98875 08 98873 01 24569F 18755 02 111895P01 920272 01 920272 04 36571 01 36572 01 914514 29 914514 30 03007P 03463P 03013P 03468 03307 01 03308 01 914500 27 914500 28 03002 00 03576 00 921845 02 111833 01 924464 01 920267 05 920267 06 920270 02 95477 05 description ADJUSTABLE SHOCK ABSORBER CABLE KIT YS WAS 910353 09 ADJUSTABLE SHOCK ABSORBER KIT AIR SPRING KIT ARMREST KIT LH YEL W O UPH ARMREST KIT RH YEL W O UPH BACKREST ASM BUS NUDE BOOT ADAPTER PLATE BOOT KIT HEADREST ASM NUDE HEADREST BOOT COVER KIT CONTROL LH W IPS FOR HTR YS W LOGO COVER KIT CONTROL LH W IPS FOR W O HTR YS W LOGO COVER KIT CONTROL LH W IPS FOR HTR YS W O LOGO COVER KIT CONTROL LH W IPS FOR W O HTR YS W O LOGO COVER KIT CONTROL RH W IPS FOR HTR YS W LOGO COVER KIT CONTROL RH W IPS FOR W O HTR YS W LOGO COVER KIT CONTROL RH W IPS FOR HTR YS W O LOGO COVER KIT CONTROL RH W IPS FOR W O HTR YS W O LOG
2. Remove mounting fasteners Installation Move horizontal adjustment forward or back to allow access to fasteners Install mounting fasteners en Ko torque to d 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 5 Fasten valve to seat frame with screw Connect air lines torque to 15 9 19 5 Ib in 1 8 2 2 Nem 12 Copyright Isringhausen 1999 Manual No 7018081 02 Rel Jun 1999 MODEL 6800 338 BUS REMOVAL andINSTALLATION MODEL 6800 338 PREMIUM LX Quick air release valve suspension torque to 15 9 19 5 Ib in Set up 1 6 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 e Connect air lines Riser and Suspension Set up riser and suspension e 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
3. e Remove suspension to riser fasteners and remove suspension Installation suspension e Put suspension in place e Install fasteners and torque to 14 8 16 4 Ib ft 20 25 Nem Connect air line Removal riser 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 7018081 02 Rel Jun 1999 Copyright Isringhausen 1999 13 REMOVAL andINSTALLATION MODEL 6800 338 BUS MODEL 6800 338 PREMIUM LX Seat frame Set up e Seat cushion and backrest must be removed from seat see Cushion seat pan and Backrest e Shock absorber handle and cable must be removed see Adjustable shock absorber handle and cable handle end Removal Mark and remove air lines e Remove fasteners 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 e Connect air lines Seat frame tooth plate Set up e Backrest and covers must be removed from seat see Backrest and Covers front LH and RH Removal e Remove seat latch fasteners e Remove seat latch Remove connecting link Installation e Install connecting link Fasten seat latch to seat frame with screws torque to 14 8 18 4 5 ft 20 25 Nem 14 Copyright Isringhausen 1999 Manual 7018081 02 Rel Ju
4. plate tether brackets tethers and ICP bar Install boot adapter plate boot ar fasteners e Install belts to ICP bar MODEL 6800 338 BUS MODEL 6800 338 PREMIUM LX torque to 44 2 62 lb in 5 7Nm V do not over tighten gt 16 Copyright Isringhausen 1999 Manual No 7018081 02 Rel Jun 1999 MODEL 6800 338 BUS REMOVAL and INSTALLATION MODEL 6800 338 PREMIUM LX Adjustable shock absorber handle and cable handle end Set up Seat cushion must be removet seat see Cushion seat pan Removal e Remove fasteners and move control bracket and cable up away from seat frame Remove control handle pin and control handle e Remove cable pin and cable Remove plug from bracket anc remove cable Installation e Put cable in bracket and secur plug e Route cable through control b c and fasten to control handle w Fasten control handle to contr 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 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 Remove cable Installation Adjustable shock absorber cable Put cable in place e Install retaining ring Adjustable shock absorber Pu
5. stay adjusted Lumbar Bolster will not inflate Height will not adjust and or stay adjusted Horizontal slide will not adjust and or stay 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 02 Rel Jun 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 OO IN 11 10 12 17 17 13
6. up Vehicle must be in a safe parked position or seat removed from vehicle Removal e Remove fasteners Remove armrest Installation Fasten armrest to seat with screws and lockwashers Torque screws to 14 6 18 4 Ib ft 20 25 Nem Backrest Set up Vehicle must be in a safe parked position or seat removed from vehicle Removal e Mark and disconnect air lines e Remove fasteners Pry one side of seat frame away from backrest e 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 bein kuni of pin a 6 Copyright Isringhausen 1999 Manual No 7018081 02 Rel Jun 1999 MODEL 6800 338 BUS REMOVAL andINSTALLATION MODEL 6800 338 PREMIUM LX Backrest assembly Set up Backrest must be removed from seat see Backrest B Premium XL Renova Premium XL Premium XL remove upholstery and backrest liner Bus remove cover hog rings and wires remove upholstery e Remove backrest cushion fasteners remove cushion Installation Fasten backrest cushion to backrest frame with screws Premium XL install backrest liner and upholstery Bus install upholstery hog rings and wires instal cover Lumbar and bolster air bags Set up Remove backrest compone
7. 14500 27 914500 28 03002 04 03576 01 921845 03 111833 08 924464 01 920267 01 920267 02 95477 05 MODEL 6800 338 PREMIUM LX description ADJUSTABLE SHOCK ABSORBER CABLE KIT GS ADJUSTABLE SHOCK ABSORBER KIT AIR SPRING KIT ARMREST KIT LH GRY W O UPH ARMREST KIT RH GRY W O UPH BACKREST ASM TRUCK NUDE BOOT ADAPTER PLATE BOOT KIT HEADREST ASM NUDE HEADREST BOOT COVER KIT CONTROL LH W IPS FOR HTR GS W LOGO COVER KIT CONTROL LH W IPS FOR W O HTR GS W LOGO COVER KIT CONTROL LH W IPS FOR HTR GS W O LOGO COVER KIT CONTROL LH W IPS FOR W O HTR GS W O LOGO COVER KIT CONTROL RH W IPS FOR HTR GS W LOGO COVER KIT CONTROL RH W IPS FOR W O HTR GS W LOGO COVER KIT CONTROL RH W IPS FOR HTR GS W O LOGO COVER KIT CONTROL RH WIPS FOR W O HTR GS W O LOGO COVER KIT NON CONTROL LH W LOGO WAS 920262 01 COVER KIT NON CONTROL LH W O LOGO COVER KIT NON CONTROL LH BELT TO FRAME W LOGO COVER KIT NON CONTROL LH BELT TO FRAME WO LOGO COVER KIT NON CONTROL RH W LOGO WAS 920261 01 COVER KIT NON CONTROL RH W O LOGO COVER KIT NON CONTROL RH BELT TO FRAME W LOGO COVER KIT NON CONTROL RH BELT TO FRAME W O LOGO DISTRIBUTION VALVE KIT GLIDE KIT SEAT PAN HANDLE KIT SEAT FRAME LH GS HANDLE KIT SEAT FRAME RH GS HEIGHT ADJUSTMENT CYLINDER CAM KIT HEIGHT ADJUSTMENT
8. 999 MODEL 6500 338 BUS REMOVAL andINSTALLATION MODEL 6800 338 PREMIUM LX 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 e 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 e Install handle Height adjustment cylinder and cam 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 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 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 1 Cylinder kit E ring 2 Cam kit Manual No 7018081 02 Rel Jun 1999 Copyright Isringhausen 1999 11 REMOVAL and INSTALLATION MODEL 6800 338 BUS MODEL 6800 338 PREMIUM LX Horizontal adjustment slide set Set up e Seat frame must be removed see Seat frame Removal Move horizontal adjustment forward or back to allow access to fasteners e
9. AS 914500 23 SEAT FRAME TOOTH PLATE KIT RH WAS 914500 24 SEAT PAN ASM NUDE YEL OLD STYLE SEAT PAN ASM NUDE YEL NEW STYLE SEAT PAN ASSEMBLY LEVER AND HANDLE KIT YEL SUSPENSION ASM W ISOLATOR YS TETHER INTERNAL AND TETHER PLATE KIT TILT HANDLE KIT LH YS TILT HANDLE KIT RH YS BACKREST PANEL KIT BUS ONLY WAS 01955 03 SUSPENSION HARDWARE KIT 20 Copyright ISRINGHAUSEN 1999 2003 MODEL 6800 338 BUS Manual No 7018081 02 Rel Jun 1999 Rev 1 Oct 2003 Rev 2 Jul 30 2007 Rev 3 Dec 10 2007 REMOVAL and INSTALLATION item OMAN N gt ok GS LX x X X 1X LX 2X x O OO OO N N N N O O O O gt 18 amp 19 20 20 21 22 23 24 25 26 27 27 28 29 30 31 33 33 33 34 35 36 37 38 38 39 40 41 42 43 45 part number 910353 13 98889 06 98872 15 924473 51 924474 51 03483 00 111776P02 926513 01 110922 00 47541 920260 08 920260 09 927399 03 927399 04 920263 06 920263 07 927398 03 927398 04 920262 03 920262 02 927397 01 927397 02 920261 03 920261 02 927396 01 927396 02 915105 03 914516 04 920264 01 920264 02 933649 01 920266 01 920266 02 98976 08 98875 08 98873 01 26900D01 18755 04 111973P02 920272 01 920272 04 36571 36572 914514 28 914514 31 111779P03 112256P02 110933P01 03307 02 03308 02 9
10. BLE SHOCK ABSORBER 17 HEIGHTADJUSTMENT VALVE DISTRIBUTION VALVE 18 SUSPENSION 10 HEADREST 18 PARTS 19 REMOVAL AND INSTALLATION PAGE NUMBERS r db P 16 Bi Se Hy 21 15 18 8 s 113 212 Manual No 7018081 02 Rel Jun 1999 Copyright Isringhausen 1999 1 GENERAL SAFETY MODEL 6800 338 BUS MODEL 6800 338 PREMIUM LX 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 A 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 02 Rel Jun 1999 MODEL 6800 338 BUS MODEL 6800 338 PREMIUM LX Problem Armrest will not stay in position Backrest will not adjust and or
11. HANDLE KIT LH GS HEIGHT ADJUSTMENT HANDLE KIT RH GS 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 HORIZONTAL ADJUSTMENT SLIDE SET BLK ICP BAR TRUCK LUMBAR BOLSTER KIT OLD STYLE LUMBAR BOLSTER KIT NEW STYLE LUMBAR BOLSTER VALVE LH GS LUMBAR BOLSTER VALVE RH GS QUICK AIR RELEASE VALVE AND HANDLE KIT LH GS QUICK AIR RELEASE VALVE AND HANDLE KIT RH RISER 127 MM KW W900 amp T2000 MACK INTERNATIONAL RISER 110 MM PB 379 amp 387 RISER 76 MM KW PB MACK INTERNATIONAL SEAT FRAME ASM LH GS SEAT FRAME ASM RH GS SEAT FRAME TOOTH PLATE KIT LH WAS 914500 23 SEAT FRAME TOOTH PLATE KIT RH WAS 914500 24 SEAT PAN ASM NUDE GRY OLD STYLE SEAT PAN ASM NUDE GRY NEW STYLE SEAT PAN ASSEMBLY LEVER AND HANDLE KIT GRY SUSPENSION ASM W ISOLATOR GS TETHER INTERNAL AND TETHER PLATE KIT TILT HANDLE KIT LH GS TILT HANDLE KIT RH GS SUSPENSION HARDWARE KIT Manual No 7018081 02 Rel Jun 1999 Rev 1 Oct 2003 Rev 2 Jul 30 2007 Rev 3 Dec 10 2007 Copyright ISRINGHAUSEN 1999 2003 21
12. INSPECTION MODEL 6800 338 BUS MODEL 6800 338 PREMIUM LX CAUTION Avoid the risk of injury Vehicle must be in a safe parked position before inspecting seat Visually inspect 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 12 Should move up freely the adjustment knob should be eas the armrest must stay in the adjusted position 2 2 Backrest adjustment The control should be easy to release then the backre move freely The backrest must stay in the adjusted positi 3 Backrest side bolster 3 The control should be easy to move to the inflate or d position and must return to neutral when released Each support should inflate and deflate evenly and stay at t adjusted firmness 4 Height adjustment Control should be easy to move and hold the seat in the adjusted position when released 4 7 3 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 8 deflate position and must return to neutral when released Each lumbar support must stay at the adjusted firmness 8 Cushion length adjustment Control should be e
13. Isringhausen Seat Model 6800 338 Bus Seat Model 6800 338 Premium LX Service Manual Manual No 7018081 02 Rel Jun 1999 Copyright Isringhausen 1999 INTRODUCTION MODEL 6800 338 BUS MODEL 6800 338 PREMIUM LX 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 e 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 e 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 notice or liab
14. LLATION MODEL 6800 338 PREMIUM LX Seat pan assembly Set up e 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 e Seat cushion must be removed from seat see Cushion seat pan Removal e Remove cushion glides Installation Install cushion glides to seat frame Manual No 7018081 02 Rel Jun 1999 Copyright Isringhausen 1999 9 10 REMOVAL and INSTALLATION Seat pan assembly lever and handle Set up e Seat cushion must be removed from seat see Cushion seat pan Removal Pull handle off e Remove lever fasteners and remove lever Installation e 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 Set up e Seat cushion must be removed from 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 Connect air lines MODEL 6800 338 BUS MODEL 6800 338 PREMIUM LX torque to 7 4 8 1 lb ft 10 11 Nem torque to 15 9 19 5 Ib in 1 8 2 2 Nem do not over tighten Copyright Isringhausen 1999 Manual No 7018081 02 Rel Jun 1
15. O COVER KIT NON CONTROL LH W LOGO WAS 920262 01 COVER KIT NON CONTROL LH W O LOGO COVER KIT NON CONTROL LH BELT TO FRAME W LOGO COVER KIT NON CONTROL LH BELT TO FRAME WO LOGO COVER KIT NON CONTROL RH W LOGO 920261 01 COVER KIT NON CONTROL RH W O LOGO COVER KIT NON CONTROL RH BELT TO FRAME W LOGO COVER KIT NON CONTROL RH BELT TO FRAME W O LOGO DISTRIBUTION VALVE KIT GLIDE KIT SEAT PAN HANDLE KIT SEAT FRAME LH YS HANDLE KIT SEAT FRAME RH YS HEIGHT ADJUSTMENT CYLINDER CAM KIT HEIGHT ADJUSTMENT HANDLE KIT LH YS HEIGHT ADJUSTMENT HANDLE KIT RH YS 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 YEL HORIZONTAL ADJUSTMENT SLIDE SET YEL ICP BAR BUS FOR BELT TO ICP BAR ONLY LUMBAR BOLSTER KIT OLD STYLE LUMBAR BOLSTER KIT NEW STYLE LUMBAR BOLSTER VALVE LH YS LUMBAR BOLSTER VALVE RH YS QUICK AIR RELEASE VALVE AND HANDLE KIT LH YS WAS 914514 24 QUICK AIR RELEASE VALVE AND HANDLE KIT RH YS WAS 914514 25 RISER 127 MM MCI D SERIES amp G SERIES COACH RISER 127 MM STD BUS NEOPLAN ORION VI NEW FLYER GILLIG RISER 156 MM MCI E SERIES amp J SERIES COACH RISER KIT 76 MM PREVOST COACH SEAT FRAME ASM LH YS SEAT FRAME ASM RH YS SEAT FRAME TOOTH PLATE KIT LH W
16. asy to move and hold the seat cushion in the adjusted position when released 10 9 Adjustable shock absorber Control should be easy to move and stay in position when released 10 Quick air release 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 12 Headrest Should be easy to move up and down and stay in position Headrest should tilt forward and backward freely L L L gu en If the seat is not functioning properly take it out of service until it can be repaired 4 Copyright Isringhausen 1999 Manual No 7018081 02 Rel Jun 1999 MODEL 6800 338 BUS MODEL 6800 338 PREMIUM LX Air supply INSPECTION 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 16 4 Ib ft 20 25 Nem Suspension to riser torque to 14 8 18 4 5 ft 20 25 Nem Manual No 7018081 02 Rel Jun 1999 Copyright Isringhausen 1999 Armrest to seat torque to 14 8 18 4 5 ft 20 25 Nem REMOVAL andINSTALLATION MODEL 6800 338 BUS MODEL 6800 338 PREMIUM LX 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
17. ility 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 ii Copyright Isringhausen 1999 Manual No 7018081 02 Rel Jun 1999 MODEL 6800 338 BUS TABLE of CONTENTS MODEL 6800 338 PREMIUM LX subject page subject page INTRODUCTION ii 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 BACKRESTASSEMBLY 7 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 ADJUSTA
18. n 1999 MODEL 6800 338 BUS REMOVAL andINSTALLATION MODEL 6800 338 PREMIUM LX Backrest adjustment handle Set up Vehicle must be in a safe parked position or seat removed from vehicle Removal e 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 e Install handle Manual No 7018081 02 Rel Jun 1999 Copyright Isringhausen 1999 15 REMOVAL andINSTALLATION Air spring Set up e Seat must be removed from vehicle e Seat cushion must be removed from seat see Cushion seat pan Removal Mark and disconnect air line e Remove top and bottom mounting fasteners e Remove air spring Installation 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 Ib ft Vehicle must be in a safe parked 20 25 Nem position or seat removed from vel Horizontal adjustment must be removed see Horizontal adjustment Removal e Remove belts from ICP bar e Remove boot fasteners remove boot and boot adapter plate Remove fasteners tether plate tether brackets tethers and ICP bar Installation Install fasteners tether
19. nts see Backrest assembly Removal 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 02 Rel Jun 1999 Copyright Isringhausen 1999 7 REMOVAL and INSTALLATION MODEL 6800 338 BUS MODEL 6800 338 PREMIUM LX Lumbar and bolster valve Set up Cover must be removed from seat see Covers front LH and RH Removal Mark air line and remove them from valve Press valve clips in and remove valve from cover Installation Snap valve into cover Connect air lines Covers LH and RH Set up Vehicle must be in a safe parked position or seat removed from vehicle ei aa e u m m T Removal Control cover e Remove backrest adjustment handle e 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 5 3 8 8 Ib in 0 6 1 0 N m do not over tighten 8 Copyright Isringhausen 1999 Manual No 7018081 02 Rel Jun 1999 MODEL 6800 338 BUS REMOVAL andINSTA
20. t shock absorber in place Install retaining rings Manual No 7018081 02 Rel Jun 1999 Copyright Isringhausen 1999 17 REMOVAL andINSTALLATION MODEL 6800 338 BUS MODEL 6800 338 PREMIUM LX Distribution valve Set up Seat cushion must be removed from seat see Cushion seat pan Removal Mark and remove air lines from valve Remove valve fastener and remove valve Installation e Fasten valve to frame with screw e Connect air lines Headrest Set up Vehicle must be in a safe parked position or seat removed from vehicle Removal Pull headrest to upper locking position Press foam as shown to release locking clip from detent on headrest and pull up Installation Guide headrest bars into position Press down to engage locking clip 18 Copyright Isringhausen 1999 Manual No 7018081 02 Rel Jun 1999 MODEL 6800 338 BUS MODEL 6800 338 PREMIUM LX Manual No 7018081 02 Rel Jun 1999 Copyright Isringhausen 1999 Ae N Y Kl n P D 5 d nt bech BN 19 REMOVAL and INSTALLATIOI item OO O Om N lA zl P Go OO N N O O O O gt 18 amp 19 20 20 21 22 23 24 25 26 27 27 28 29 30 31 32 32 32 32 34 35 36 37 38 38 39 40 41

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