Invacare CT7A user manual Top View of Wheelchair Adjusting Fork Tension

Page 77

11 WHEELS

Top View of Wheelchair

Centerlines of Rear Wheels

 

Front of Wheelchair

 

Toe-out

 

 

Front of

 

Toe-in

Wheel Center Line

 

Wheelchair

 

 

 

 

 

Smaller than

 

 

Front

 

Measure Here

Larger than Front

Centerlines of Rear Wheels

 

 

FIGURE 14 Determining/Setting Toe In/Toe Out

Top View of Wheelchair

11.12Adjusting Fork Tension

1.To properly tighten forks and guard against flutter, perform the following check on both forks:

A.Tip back the wheelchair to floor.

B.Pivot both 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 IMMEDIATELY rest in a straight downward position).

2.If necessary, perform one of the following to adjust the fork tension:

Part No 1167484

77

Invacare® Crossfire™T7A Wheelchair

Image 77
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 DetailWhen installed Hole in adjustmentThis orientation Square will align withOption  The back upholstery cover is designed for three reasons Adjustable Tension Back UpholsteryBack Upholstery Cover Adjustable Tension Back Upholstery Adjusting the Tautness of the BackInstalling the Lumbar Strap Removing the Adjustable Tension Back UpholsteryInstalling the Adjustable Tension Back Upholstery Removing the Back Upholstery CoverBack Canes Installing the Back Upholstery CoverDetail a Detail B Detail E Removing/Installing Foldover Back UpholsteryBack Height Adjustment Installing Foldover Back UpholsteryRemoving Foldover Back Upholstery Front WheelchairBack Cane Hole NumberInstalling Removing/Installing the Back FrameReplacing Seat Upholstery SeatDetail a Seat Angle AdjustmentDetail a Seat Angle Adjustment Invacare CrossfireT7A WheelchairAdjusting the Wheel Lock Replacing/Adjusting the Wheel LocksWheel Locks Replacing the Wheel LockChanging Wheel Lock Handle Position Replacing/Adjusting the Wheel LocksConfiguration Detail a Wheel Lock in PUSH-TO-LOCK ConfigurationConverting From Pull-to-Lock to Push-to-Lock Wheel LockWheels Removing/Installing Rear WheelsRemoving/Installing Rear Wheels Adjusting Quick-Release AxlesReplacing Quad-Release Axles Adjusting Quad-Release Handles In and/or OutHandrim Replacement Adjusting Quad-Release Handle In and/or OutRemoving Play from Rear Wheels 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 Standard Forks Removing/Installing/Repositioning the Caster AssembliesSuspension Forks Removing the Caster  One mounting screw will not turnInstalling the Caster Installing the CasterOne Sided Fork Removing the CasterInstalling Fork Assembly Removing/Installing the Fork AssemblyRemoving Fork Assembly Detail a Standard Fork Removing/Installing the Elastomers Suspension Forks OnlyDetail B Suspension Fork Detail C ONE Sided 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