Invacare CT7A user manual Adjusting Fork Tension

Page 78

11WHEELS

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.

Suspension Fork (Detail “B”) -

a.Refer to Removing the Elastomer on page 82 to remove the elastomer and suspension fork bottom to access the locknut.

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

c.Refer to Installing the Elastomer on page 83 to secure the suspension fork top to the elastomer and suspension fork bottom.

One Sided Fork (Detail “D”)

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.

DETAIL “A”

DETAIL “B”

DETAIL “C” - ONE

STANDARD FORK

SUSPENSION FORK

SIDED FORK

Fork

Locknut

Caster

FIGURE 15 Adjusting Fork Tension

Invacare® Crossfire™T7A Wheelchair

78

Part No 1167484

Image 78
Contents Invacare CrossfireT7A Wheelchair Invacare CrossfireT7A Wheelchair Contents Seat ANTI-TIPPER Symbols GeneralLimited Warranty Safety General GuidelinesWheelchair User Wheelchair Tie Down Restraints Stability WarningRepair and Service Information Operating InformationWeight Training Seat Positioning StrapsTire Pressure and Information Overview Label LocationsSerial Number Label Location Component Identification  All specifications are approximate Typical Product Parameters70, 75, 80 Foldover Back UpholsteryCasters Safety/Handling of Wheelchairs Safety/Handling of WheelchairsStability and Balance SAFETY/HANDLING of Wheelchairs Lengthening Wheelbase Shortening Reaching, Leaning and Bending ForwardReaching, Leaning Backwards Reaching, Leaning Bending Forward Backwards Coping with Everyday ObstaclesTipping Tipping CurbsStairways Moving Up StairsMoving Down Stairs StairwaysEscalators Transferring To and From Other SeatsSafety Inspection Safety Inspection ChecklistInspect Initially Inspect/Adjust Weekly Inspect/Adjust Monthly Inspect/Adjust PeriodicallyTroubleshooting Maintenance Maintenance Safety PrecautionsSuggested Maintenance Procedures Replacing/Repairing Rear Wheel Tire/Tube Replacing/Repairing Caster Tire/Tube Tire wear is excessive if Adjusting/Replacing Standard Footrest FootrestReplacing the Footrest Adjusting the Footrest Adjusting Footplate AngleAdjusting Footplate Depth AdjustmentsDepthInstalling the Swingaway Padded Armrest Socket ArmsRight Side Armrest Socket Left Side Armrest SocketShort Mounting Plunger Pin Installing/Removing/Adjusting the Swingaway Padded Armrest Adjusting HeightRemoving  To remove the T-arm, reverse this procedure Adjusting T-Arm HeightAdjusting T-Arm Position Back Unfolding/Folding the BackDetail a Folding the Back Detail B Unfolding the Back Detail CBack Angle Adjustment  For this procedure, refer to FigureRepeat Steps 2-6 for remaining back cane Detail Detail DThis orientation Hole in adjustmentWhen installed Square will align withOption Adjustable Tension Back Upholstery Back Upholstery Cover The back upholstery cover is designed for three reasons Adjusting the Tautness of the Back Adjustable Tension Back UpholsteryInstalling the Adjustable Tension Back Upholstery Removing the Adjustable Tension Back UpholsteryInstalling the Lumbar Strap Removing the Back Upholstery CoverInstalling the Back Upholstery Cover Detail a Detail BBack Canes Removing/Installing Foldover Back Upholstery Detail ERemoving Foldover Back Upholstery Installing Foldover Back UpholsteryBack Height Adjustment Front WheelchairHole Number Back CaneRemoving/Installing the Back Frame InstallingSeat Replacing Seat UpholsterySeat Angle Adjustment Detail aSeat Angle Adjustment Invacare CrossfireT7A Wheelchair Detail aWheel Locks Replacing/Adjusting the Wheel LocksAdjusting the Wheel Lock Replacing the Wheel LockReplacing/Adjusting the Wheel Locks Changing Wheel Lock Handle PositionConverting From Pull-to-Lock to Push-to-Lock Detail a Wheel Lock in PUSH-TO-LOCK ConfigurationConfiguration Wheel LockRemoving/Installing Rear Wheels WheelsAdjusting Quick-Release Axles Removing/Installing Rear WheelsAdjusting Quad-Release Handles In and/or Out Replacing Quad-Release AxlesRemoving Play from Rear Wheels Adjusting Quad-Release Handle In and/or OutHandrim Replacement Removing Play from Rear WheelsRepairing/Replacing Rear Wheel, Tire/Tube Handrim ReplacementAdjusting Wheelbase Length, Adjusting Center of Gravity COG Adjusting Wheelbase Length, Adjusting Center Gravity COGSocket Screw Mounting Positions Front Rear WheelchairRepositioning the Camber Tube Clamps Repositioning the Camber Tube ClampsRepositioning the Camber Tube Clamp Socket Screws Reversing the Camber Tube Clamp DirectionOccur Camber Tube Direction Facing Rear of WheelchairFacing Front of Wheelchair Adjusting Wheelbase Width Removing/Installing the Camber Tube Installing the Camber TubeRemoving the Camber Tube Detail a Correct Orientation for Each Camber Tube Adjusting the Camber Tube  Standright. behind the wheelchair to determine left orDetail a Side View Determining/Setting Toe In/Toe Out  For this procedure, refer to on page 74 and FigureTop View of Wheelchair Adjusting Fork Tension Top View of WheelchairAdjusting Fork Tension Suspension Forks Removing the Caster Removing/Installing/Repositioning the Caster AssembliesStandard Forks  One mounting screw will not turnOne Sided Fork Installing the CasterInstalling the Caster Removing the CasterRemoving/Installing the Fork Assembly Removing Fork AssemblyInstalling Fork Assembly Detail B Suspension Fork Removing/Installing the Elastomers Suspension Forks OnlyDetail a Standard Fork Detail C ONE Sided ForkInstalling the Elastomer Removing/Installing the Elastomers Suspension Forks OnlyAdjusting/Replacing Anti-tipper Anti-TipperAdjusting Anti-tipper Replacing Anti-tipperInjury or property damage Adjustment Holes Detail a ANTI-TIPPER211/8 Anti-Tipper USA Canada