Invacare CT7A user manual Removing/Installing the Elastomers Suspension Forks Only

Page 83

11 WHEELS

2.Remove the threaded bushing and mounting screw securing the suspension fork top to the elastomer and the suspension fork bottom. DO NOT use excessive force.

3.If replacing the elastomer, discard the existing elastomer.

Installing the Elastomer

 Make sure the elastomer sits in the two recessed areas on the fork.

1.Position the new elastomer between the suspension fork top and suspension fork bottom.

2.Align the mounting holes in the suspension fork top and suspension fork bottom.

3.Using the threaded bushing and mounting screw, secure the suspension fork top and suspension fork bottom. DO NOT use excessive force.

WARNING

Use Loctite 242 when reinstalling the mounting screw into the threaded bushing. Otherwise the fork can become disassembled. Possible injury or damage could result.

4.Apply Loctite 242 to the mounting screw.

5.Reinstall the mounting screw into the threaded bushing and tighten securely.

		Suspension Fork Top
	Locknut	Threaded Bushing
	Elastomer	Mounting
	Elastomer	Screw
		Screw
	Mounting	Suspension Fork
	Screw	Suspension Fork
		Bottom
		Caster

FIGURE 20 Removing/Installing the Elastomers (Suspension Forks

Only)

Part No 1167484

83

Invacare ® Crossfire™T7A Wheelchair

Image 83

Contents Invacare CrossfireT7A Wheelchair Invacare CrossfireT7A Wheelchair Contents Seat ANTI-TIPPER General SymbolsLimited Warranty Wheelchair User SafetyGeneral Guidelines Stability Warning Wheelchair Tie Down RestraintsOperating Information Repair and Service InformationTire Pressure and Information Weight TrainingSeat Positioning Straps Serial Number Label Location OverviewLabel Locations Component Identification 70, 75, 80  All specifications are approximateTypical Product Parameters Back Upholstery FoldoverCasters Stability and Balance Safety/Handling of WheelchairsSafety/Handling of Wheelchairs SAFETY/HANDLING of Wheelchairs Reaching, Leaning Backwards Lengthening Wheelbase ShorteningReaching, Leaning and Bending Forward Coping with Everyday Obstacles Reaching, Leaning Bending Forward BackwardsTipping Curbs TippingMoving Up Stairs StairwaysStairways Moving Down StairsTransferring To and From Other Seats EscalatorsInspect Initially Safety InspectionSafety Inspection Checklist Inspect/Adjust Weekly Inspect/Adjust Periodically Inspect/Adjust MonthlyMaintenance Maintenance Safety Precautions TroubleshootingSuggested Maintenance Procedures  Tire wear is excessive if Replacing/Repairing Rear Wheel Tire/TubeReplacing/Repairing Caster Tire/Tube Replacing the Footrest Adjusting/Replacing Standard FootrestFootrest Adjusting Footplate Angle Adjusting the FootrestAdjustmentsDepth Adjusting Footplate DepthArms Installing the Swingaway Padded Armrest SocketLeft Side Armrest Socket Right Side Armrest SocketShort Mounting Plunger Pin Removing Installing/Removing/Adjusting the Swingaway Padded ArmrestAdjusting Height Adjusting T-Arm Height  To remove the T-arm, reverse this procedureAdjusting T-Arm Position Unfolding/Folding the Back BackDetail C Detail a Folding the Back Detail B Unfolding the Back For this procedure, refer to Figure Back Angle AdjustmentRepeat Steps 2-6 for remaining back cane Detail D DetailSquare will align with Hole in adjustmentWhen installed This orientationOption  The back upholstery cover is designed for three reasons Adjustable Tension Back UpholsteryBack Upholstery Cover Adjustable Tension Back Upholstery Adjusting the Tautness of the BackRemoving the Back Upholstery Cover Removing the Adjustable Tension Back UpholsteryInstalling the Lumbar Strap Installing the Adjustable Tension Back UpholsteryBack Canes Installing the Back Upholstery CoverDetail a Detail B Detail E Removing/Installing Foldover Back UpholsteryFront Wheelchair Installing Foldover Back UpholsteryBack Height Adjustment Removing Foldover Back UpholsteryBack Cane Hole NumberInstalling Removing/Installing the Back FrameReplacing Seat Upholstery SeatDetail a Seat Angle AdjustmentDetail a Seat Angle Adjustment Invacare CrossfireT7A WheelchairReplacing the Wheel Lock Replacing/Adjusting the Wheel LocksAdjusting the Wheel Lock Wheel LocksChanging Wheel Lock Handle Position Replacing/Adjusting the Wheel LocksWheel Lock Detail a Wheel Lock in PUSH-TO-LOCK ConfigurationConfiguration Converting From Pull-to-Lock to Push-to-LockWheels Removing/Installing Rear WheelsRemoving/Installing Rear Wheels Adjusting Quick-Release AxlesReplacing Quad-Release Axles Adjusting Quad-Release Handles In and/or OutRemoving Play from Rear Wheels Adjusting Quad-Release Handle In and/or OutHandrim Replacement Removing Play from Rear WheelsHandrim Replacement Repairing/Replacing Rear Wheel, Tire/TubeAdjusting Wheelbase Length, Adjusting Center Gravity COG Adjusting Wheelbase Length, Adjusting Center of Gravity COGFront Rear Wheelchair Socket Screw Mounting PositionsRepositioning the Camber Tube Clamps Repositioning the Camber Tube ClampsReversing the Camber Tube Clamp Direction Repositioning the Camber Tube Clamp Socket ScrewsFacing Front of Wheelchair OccurCamber Tube Direction Facing Rear of Wheelchair Adjusting Wheelbase Width Removing the Camber Tube Removing/Installing the Camber TubeInstalling the Camber Tube Detail a Correct Orientation for Each Camber Tube Detail a Side View Adjusting the Camber Tube Standright. behind the wheelchair to determine left or  For this procedure, refer to on page 74 and Figure Determining/Setting Toe In/Toe OutTop View of Wheelchair Top View of Wheelchair Adjusting Fork TensionAdjusting Fork Tension  One mounting screw will not turn Removing/Installing/Repositioning the Caster AssembliesStandard Forks Suspension Forks Removing the CasterRemoving the Caster Installing the CasterInstalling the Caster One Sided ForkInstalling Fork Assembly Removing/Installing the Fork AssemblyRemoving Fork Assembly Detail C ONE Sided Fork Removing/Installing the Elastomers Suspension Forks OnlyDetail a Standard Fork Detail B Suspension ForkRemoving/Installing the Elastomers Suspension Forks Only Installing the ElastomerAnti-Tipper Adjusting/Replacing Anti-tipperInjury or property damage Adjusting Anti-tipperReplacing Anti-tipper Detail a ANTI-TIPPER Adjustment Holes211/8 Anti-Tipper Canada USA