Invacare 1171880 user manual Caster, Adjusting Fork Tension

Page 80

12 CASTER

12 Caster

WARNING

After any adjustments, repair or service and before use, make sure all attaching hardware is tightened securely - otherwise injury or damage may occur.

12.1Adjusting Fork Tension

For this procedure, refer to FIGURE 1 on page 81.

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:

• Standard Forks - Adjust locknut according to freedom of caster swing (Detail “A”).

a.Tighten locknut to reduce caster swing.

b.Loosen the locknut to increase caster swing.

• One Sided Fork (Detail “B”)

a. No tension adjustment can be performed on this fork.

3.Test wheelchair for maneuverability.

4.If necessary, repeat STEPS 1-2 to adjust locknuts until tension is correct for both forks.

Invacare®Top End Reveal™Wheelchair

80

Part No 1171880

Image 80

Contents InvacareTop End RevealWheelchair Page Contents Seat Caster Symbols GeneralLimited Warranty Wheelchair User SafetyGeneral Guidelines Wheelchair Tie Down Restraints Stability WarningRepair and Service Information Operating InformationTire Pressure and Information Weight TrainingSeat Positioning Straps Overview Label Locations Serial NumberComponent Identification Typical Product Parameters 0, +4, +8Non Tapered front end Standard Lock Down, Folding StandardReveal RVL Weight Stability and Balance Safety/Handling of WheelchairsSafety/Handling of Wheelchairs SAFETY/HANDLING of Wheelchairs Lengthening Wheelbase Shortening Reaching, Leaning and Bending ForwardCoping with Everyday Obstacles Reaching, Leaning BackwardsReaching, Leaning Bending Forward Backwards Tipping Tipping CurbsStairways Moving Up StairsMoving Down Stairs StairwaysEscalators Transferring To and From Other SeatsInspect Initially Safety InspectionSafety Inspection Checklist Inspect/Adjust Weekly Inspect/Adjust Monthly Inspect/Adjust PeriodicallyTroubleshooting SolutionsMaintenance Maintenance Safety Precautions Suggested Maintenance Procedures Tire wear is excessive if Replacing/Repairing Rear Wheel Tire/Tube Replacing/Repairing Caster Tire/TubeFootrest Adjusting/Replacing Standard FootrestAdjusting the Footrest Replacing/Adjusting Optional Adjustable Angle Footrest Replacing the FootrestAdjusting Footplate Angle Adjusting Footplate DepthAdjustments Clamp Replacing/Adjusting Optional Adjustable Angle FootrestInstalling the Swingaway Padded Armrest Socket ArmsRemove Back Stop Insert Right Side Armrest Socket Left Side Armrest SocketInstall Back Stop Insert/Arm Socket Assembly Split Ring Back Release Cord Removing Installing/Removing/Adjusting the Swingaway Padded ArmrestAdjusting Height  To remove the T-arm, reverse this procedure Adjusting T-Arm HeightBack Unfolding/Folding the BackDetail a Folding the Back Back Angle Adjustment Repeat Steps 2-6 for remaining back cane Detail Hole in adjustment When installedThis orientation Square will align withHole Adjustment Square will align with + when installedWith 0 when Seat Rail OrientationAdjustable Tension Back Upholstery Back Upholstery CoverAdjusting the Back Tension Removing the Adjustable Tension Back Upholstery Installing the Lumbar StrapRemoving the Back Upholstery Cover Removing the Lumbar StrapInstalling the Adjustable Tension Back Upholstery Installing the Back Upholstery CoverDetail a Detail B Back CanesDetail E Removing/Installing Foldover Back Upholstery Installing Foldover Back UpholsteryRemoving Foldover Back Upholstery Front WheelchairBack Height Adjustment HOLE* NumberInsert Back Cane Adjustment Pin Back CaneHole Number Removing/Installing the Back Frame InstallingSeat Replacing Seat UpholsteryChanging Seat Angle/Changing Rear Seat Height Height Adjustment Bar Bottom ViewReplacing/Adjusting the Wheel Locks Adjusting the Wheel LockWheel Locks Replacing the Wheel LockReplacing/Adjusting the Wheel Locks Changing Wheel Lock Handle PositionConfiguration Converting From Pull-to-Lock to Push-to-LockRemoving/Installing Rear Wheels WheelsAdjusting Quick-Release Axles Removing/Installing Rear WheelsAnd/or Out Adjusting Quad-Release HandlesReplacing Quad-Release Axles Removing Play from Rear Wheels Adjusting Quad-Release Handle In and/or OutRemoving Play from Rear Wheels Handrim Replacement Handrim ReplacementAdjusting Wheelbase Length Adjusting Center of Gravity COG Determining Wheelbase LengthWheels Mounting Screws Locknuts Frame Height Adjustment Bar Adjusting Wheelbase Width May be affectedRemoving the Camber Tube Removing/Installing the Camber TubeInstalling the Camber Tube Camber Tube Clamp AngleAxle Adjusting the Camber Tube Detail a Side ViewDetermining/Setting Toe In/Toe Out  For this procedure, refer to on page 76 and FigureTop View of Wheelchair Top View of WheelchairAdjusting Fork Tension CasterDetail a Detail B ONE Standard Fork Sided Fork Removing/Installing/Repositioning the Caster Assemblies Installing Front CasterStandard Forks Removing Front CasterInstalling the Caster Removing/Installing the Fork AssemblyRemoving Fork Assembly One Sided ForkInstalling Fork Assembly  Spacer orientation must be as shown in FigureRepositioning the Front Caster Housings  For this procedure, refer to onBelleville Washer Round Adjustment Nut Caster Housing Angle AdjustmentSmall Angle Adjustments Large Angle Adjustments Interference between Adjusting/Replacing Anti-tipper Anti-TipperAdjusting Anti-tipper Replacing Anti-tipperRelease Buttons Lock ButtonsANTI-TIPPERS Bracket Setting For Higher Camber Tube Reversing Anti-tipper Bracket Orientation Reversing Anti-tipper Bracket Orientation InvacareTop End RevealWheelchair USA Canada