Invacare 1061057, 96-100 manual S T E R S, Casters, Replacing Front Fork Figure

Page 41

CASTERS

PROCEDURE 5

This Procedure Includes the Following:

Replacing/Repositioning/Installing Front Caster Assemblies

Replacing Front Fork

Repairing/Replacing Front Caster Tire/Tube 90o Adjustment of the Caster Headtubes

Caster Headtube Mounting Adjustments

Installing Quick-Release Casters

WARNING

After adjustments and before use, make sure all attaching hardware is securely tightened.

REPLACING/REPOSITIONING/INSTALLING FRONT CASTER ASSEMBLIES (FIGURE 1)

1.Remove the hex bolt, spacers and locknut that secure the front caster to the fork.

2.Remove the front caster from the fork.

NOTE: If replacing a front caster on a six or eight inch front fork, note the mounting position of the existing front caster for installation of the new front caster.

NOTE: If repositioning front casters on a six or eight inch front fork, refer to CHANGING SEAT- TO-FLOOR HEIGHT in PROCEDURE 9 of this manual to determine the front caster position needed for the required seat-to-floor height.

3. Replace front caster and reverse STEPS 1- 2.

Fork

Locknut

 

Hex Bolt

 

REPLACING FRONT FORK (FIGURE 2)

1.Remove the front caster assemblies from the wheelchair. Refer to REPLACING/REPOSITION-

ING/INSTALLING FRONT CASTER ASSEM- BLIES in this section of the manual.

2.Remove the head tube cap.

3.Remove the locknut and nylon washer.

4.Drop the fork out of the caster head tube.

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

NOTE: Check bearing assemblies and replace if necessary.

6.Ensure that fork slides completely into the caster head tube.

7.Install nylon washer and secure with locknut.

WARNING

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

8.Remove the front caster assemblies from the wheelchair. Refer to REPLACING/REPOSITION-

ING/INSTALLING FRONT CASTER ASSEM- BLIES in this section of the manual.

9.To properly tighten caster journal system and guard against flutter, perform the following check:

a.Tip front of wheelchair off floor.

b.Pivot forks and casters to top of their arc simultaneously.

c.Let casters drop to bottom of arc (wheels should swing once to one-side, then immedi- ately rest in a straight downward position).

d.Adjust locknuts according to freedom of caster swing.

e.Test wheelchair for maneuverability.

Black Dust

Cover

Locknut

C A S T E R S

 

Large

 

Spacer

Plastic

Washer

 

Washer

Front Caster

Three and five

Caster

 

inch front caster

Fork

Spacer

shown only for

Assembly

 

clarity.

 

FIGURE 1 - REPLACING/REPOSITIONING/

INSTALLING FRONT CASTER ASSEMBLIES

FIGURE 2 - REPLACING FRONT FORK

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Contents Allegro Special Notes Special NotesTable of Contents Safety Summary Safety SummaryRecliner Option only Safety SummarySAFETY/HANDLING of Wheelchairs Transferring to and from Other Seats StairwaysUnoccupied Occupied Percentage of Weight DistributionNON-RECLINERS ReclinersBending Forward SAFETY/HANDLING Functional Reach from a WheelchairFolding and Unfolding Wheelchair Sling Seat Model Wheelchairs Unfolding Folding Recliners onlySling Seat Model Wheelchairs Folding Solid Seat Model WheelchairsA T U R E S FeaturesFeatures Specifications SpecificationsHandling PackagingC K a G I N G N D L I N GSafety Inspection Check List Safety Inspection ChecklistI N T E N a N C E TroubleshootingMaintenance Installing Footrests Figure Procedure Front RiggingsAdjusting Footrest Height Pivot Slide Tube Height Adjustment FigureInstalling Elevating Legrests Figure Installing 3-INCH Extension FigureProcedure Raising/Lowering Elevating LegrestsINSTALLING/ADJUSTING Adjustable Angle FLIP-UP Footplates Adjusting CalfpadsInstalling Adjustable Angle Flip-up Footplates Figure Adjustable Angle Flip-up Footplate Depth Adjustment FigureReplacing Sector Block Figure Optional Footrest AccessoriesFLIP-UP Footplates Figure Aluminum or Composite Footplates FigureM S Procedure ArmsInstalling Removing Adjusting the T ArmsHeight Figure Width FigureArm Hex Screws Washers Reposition the arm tube on the T arm postArm Sockets Figure Replacing the Locking Lever T Arms Figure Arms ProcedureTop Middle Bottom Side Arm Guard Socket Screws Bottom ClampCorresponding Arm Adjustment to Back Angle Figures 10 Using FigureInstalling/Height Adjustment Figure Replacement AdjustmentAngled Portion Cantilever Arm Locking Mechanism Actuator Apply LoctiteAdjusting Conventional Arm Height Installing Fabric Clothing Guards FigureInstalling Rigid Side Guards Figure Removing Conventional ArmsFront Arm Sockets Figure Replacing Armrest Pads FigureRear Arm Sockets Figure Installing Adjustable Back Upholstery Figure Procedure BackC K Replacing Back UpholsteryAdjustable Tension Straps Replacing Adjustable Back Upholstery FigureBack upholstery cover is designed for three 3 reasons WHY USE Adjustable Back Upholstery a Clinical DiscussionBack Upholstery Cover Adjustable Height Backs Figure Adjusting the Back HeightRecliner Back Upholstery Figure Recliner Headrest Upholstery FigureBack Cane Hex Bolt Washer Back Angle Plate Locknut Fixed Height Backs FigureSlowly remove the two 2 backs canes from the wheelchair Replacing the Locking Mechanism in the Back Cane Figure Repositioning the Back Changing Seat Depth Changing the Back AngleBack Plate Non-Recliners FigureRecliners Figure Back Angle Plate Hex Bolt Locknut Wheelchair Frame WasherReplacing Folding Push Handle Recliners only Figure Installing and Removing a Seating SystemRecliner Brackets Seat A TCHANGING/REPOSITIONING Seat Rails Figure Replacing Seat Upholstery FigureRepositioning the Crossbraces Figure Procedure SeatChanging Seat Width Standard Folding Frames FigurePivot Link For installation of newCrossbraces Folding Frames Without Seat Rails FigureCrossmembers Wheelchair Frame Washer Hex Screws Hex Bolt Seat Width HolesRigid Frames Figure Replacing Front Fork Figure S T E R SCasters Casters REPLACING/REPAIRING Front Caster TIRE/TUBEInline Caster Headtubes Figure Offset Caster Headtubes FigureHeight Adjustment Caster Headtube Mounting Adjustments FigureRepositioning the Caster Headtubes Inline Caster Headtube Hardware OffsetCover Headtube Locknut Cap Spacer Fork Stem Hex Screw Installing QUICK-RELEASE Casters FigureDust Release Detent Pin Adjusting the QUICK-RELEASE Axle Figure REMOVING/INSTALLING Rear Wheels FigureA R Rear WheelsAdjusting the QUAD-RELEASE Handle Figure Installing the QUAD-RELEASE Axle FigureJusting the QUAD-RELEASE Handle And/or OutRemoving the Play From the Rear Wheels Handrim Replacement FigureSpoke Rear Wheels Phillips Bolt HandrimComposite Rear Wheels Figure Installing Projection HandrimsComposite Rim Locknut Spoke Rear Wheels FigureAdjusting the Wheelbase Length Figure REPAIRING/REPLACING Rear Wheel TIRE/ TubeJam Nuts Shortening ForwardAdjusting Rear Wheel Height Figure Adjusting the Wheelbase Width FigureAxle Mounting PlateWheel Lock Extension Handle Installation Figure Adjusting the Wheel Locks FigureE E L K S E R S Wheel LOCKS/ANTI-TIPPERSINSTALLING/ADJUSTING the ANTI-TIPPERS Procedure Wheel LOCKS/ANTI-TIPPERSAdjusting the Anti-Tippers Figure Installing the Anti-Tippers FigureRecliner REPLACEMENT/ADJUSTMENTRecliner Operation Figures 1 Folding/Unfolding the WheelchairActuator Housing Cable Locking Nut Installing New Recliner CablesRecliner Trigger Release LeverMust Look TOO LOW Replacing the GAS Cylinders FigureLike this Steps 1, 5Trigger Release Lever Cable Locking Nut Adjusting Adjusting the GAS Cylinders FigureSqueeze the handles to extend the new gas cylinders Detail B Must Look TOO LOWSEAT-TO-FLOOR Height Determination SEAT-TO-FLOORMinus EqualsStandard MULTI-POSITION Axle Plate Procedure SEAT-TO-FLOORChanging SEAT-TO-FLOOR Height A T Frame Inline Caster Headtube Front SEAT-TO-FLOOR HeightsLower Offset Caster Headtube Front SEAT-TO-FLOOR Heights Seat Depth Determination Figure A T P T HChanging Seat Depth Seat DepthSeat Depth Seat Depth ChecklistLeft A T P TRight Rear Mounting HoleApproximate 2-inch gap A T P T Inch Right A T P T H Page R R a N T Y Limited WarrantyLimited Warranty One Invacare Way Technical Support
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