Invacare P9000 service manual Replacing Casters Figure, Replacing Forks Figure, Procedure Wheels

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PROCEDURE 6

WHEELS

W

7.If one (1) of the tabs on the locking tab washer is NOT parallel with one (1) of the flats on the head of the hex screw (FIGURE 1), TIGHTEN the hex screw until the closest flat and locking tab are parallel.

NOTE:Tightenhexscrewonly.DONOTloosenhexscrew to make one of the tabs on the locking washer parallel.

NOTE: Check bearing assemblies and replace if necessary.

7.Ensure that new fork slides completely into the caster head tube.

8.Install nylon washer and secure with locknut.

H E E L S

8.Bend the parallel tab of locking tab washer up tight against flat of the hex screw (FIGURE 1).

REPLACING CASTERS (FIGURE 2)

1.Remove the hex screw, washers and locknut that secure the caster to the fork.

2.Remove the caster from the fork.

3.Install Loctite 242 onto the hex screw.

4.Replace caster and reverse STEPS 1-3.

5.Torque the locknut to 120-inch pounds.

6.Loosen the locknut 1/8 of a turn.

7.Move the caster side to side.

NOTE: If the caster moves side to side, tighten the locknut slightly. Repeat STEP 7 until there is no side to side movement of the caster.

ForkLocknut

Hex Screw

Washer

WasherCaster

FIGURE 2 - REPLACING CASTERS

REPLACING FORKS (FIGURE 3)

WARNING

Improper positioning of the washer will prohibit the free movement of the forks.

9.Install Loctite 242 onto the hex screw.

10.Position the caster into the new fork.

11.Reinstall the hex screw, washers and locknut that secure the caster to the new fork.

12.Torque the locknut to 120-inch pounds.

13.Loosen the locknut 1/8 of a turn.

14.Move the caster side to side.

NOTE: If the caster moves side to side, tighten the locknut slightly. Repeat STEP 14 until there is no side to side movement of the caster.

15.Adjust the fork. Refer to ADJUSTING FORKS in PROCEDURE 8 of the owner's manual, part number 1080737.

Dust Cover
Locknut
Nylon Washer
Caster Head Tube
Fork	Locknut
Fork

Washer

Hex Screw

WasherCaster

FIGURE 3 - REPLACING FORKS

1.Remove the hex screw, washers and locknut that secure the caster to the existing fork.

2.Remove the caster from the existing fork.

3.Remove the dust cover.

4.Remove the locknut and nylon washer.

5.Drop the existing fork out of the caster head tube.

6.Slide the new fork into the caster head tube.

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Contents Excel and P9000 R N I N G E C I a L T E STable of Contents Specification S SpecificationsPower I F I C a T I O N SProcedure General Guidelines Repair or Service InformationBattery Charger Connector Digital Voltmeter Using Hydrometer to Check Battery Cells Lead Acid FigureTroubleshooting Procedure Field Load Test FigureNumber of Floating Balls Motor Testing FigureProcedure Troubleshooting Check charging systemCap Pin Motor Connector OhmmeterCap Motor Back Upholstery Washer Phillips Screw Replacing Back Upholstery FigureH O L S T E R Y Tie Wrap Mounting Hole Locknuts Washer Hex ScrewsSeat Frame Procedure Adjusting Seat Depth FigureAdjusting Back HEIGHT/ Replacing Back Canes Figure A T M EPreparing Mkiv Joystick for USE Figure Procedure ElectronicsMkiv Joystick Mounting Tube Adjustment Lock Lever Repositioning Mkiv Joystick FigureInstalling REMOVING/INSTALLING Drive Wheels FigureWheels Procedure Replacing Pneumatic TIRES/ Tubes Drive WHEELS/CASTERSReplacing Forks Figure Procedure WheelsReplacing Casters Figure T T E R I E S Batteries ProcedureBattery Terminals/Posts U1 Battery Box Bottom Dual 22 NF T T E R Connecting Battery CablesDual U1 or Dual 22NF Battery Boxes Batteries Battery Clamp Battery Clamp Method Figures 4, 5Positive + Battery Terminal/Post Hex Nut CoverR I E S Positive + Battery Terminal Post and Battery ClampRED Battery A I R S Refer to Battery Tray in this proce- dure of the manualAssembling Excel Unfolding/Folding Integrated Sling Seat FigureUnfolding/Folding Captains Seat Figure Adjusting FLIP-UP Removable FootboardFWD Wheelchairs Push Brackets Pivot Link CrossbracesHeight Figure Replacing Armrest Pads FigureReplacing Armrest Plate Figure Replacing Captains Seat Figure Steps 7 Steps 3Steps 2 Replacing Wiring HarnessFWD Wheelchairs Procedure Steps 5Adjusting Limit Switch Figure Limit Switch Phono Plug Body Phono JackREMOVING/INSTALLING Shrouds Phillips Screws Locknut Installing Side Shrouds and FillersFiller Side Shroud Battery Box Battery Tray Phono Jack Retaining StrapChanging Seat Width Integrated Sling Seats Figure 16-18 orReplacing Crossbraces Captains Seat Figure SpacerLocknut Washer Steps 6 Pivot Link Hex BoltsHex Bolts Steps 6 Crossbrace SpacerCharging Batteries Figure When to Charge Batteries FigureDescription and Use of Battery Chargers Required ItemsCleaning Battery Terminals INSTALLING/REMOVING Battery Boxes FigureRecommended Battery Types Replacing BatteriesUnfolding Battery Tray for Use Figure Battery TrayFolding Battery Tray for Transport Figure Changing Width of Battery Tray FigureInstalling Battery Tray Figure Replacing Right Battery Tray Hanger Bracket FigureRemoving Battery Tray Figure Repositioning Motors Figure Footboard Mounting Bracket Battery Tray Hanger BracketReplacing Left Battery Tray Hanger Bracket Figure Spacer Hex ScrewUsers Weight 201 to 250 LBS Rotate battery tray hanger bracket upPin Steps 3 Replacing Clutch Handles FigureClutch Handle Clutch Handle Steps 9Steps 4 17, 18Unfolding/Folding the Wheelchair Assembling Power 9000 FigureRefer to INSTALLING/REMOV ING Footrests or Install Seat Rails GuidesWait until charging is complete Battery Discharge IndicatorRWD Wheelchairs Connect the battery box retaining strap clip together Retaining Strap Clip14-15, 16-18 Battery Tray FigureChanging Seat Width Figure Adjusting SEAT-TO-FLOOR Height H a I R SPhillips Screws To Controller DisassemblyReassembly From MotorsPlate Underside of Motor Mount Plate Alignment Pin Long SocketMotor Mount Alignment Hole Wheelchair Frame Support Tube Motor/GearboxLimited Warranty R R a N T YChedworth Way