Invacare XP6500, XP6520 manual Casters, Adjusting Forks

Page 45

SECTION 10—CASTERS

SECTION 10—CASTERS

WARNING

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

Before performing any maintenance, adjustment or service verify that On/Off switch on the joystick is in the Off position.

CAUTION

As with any vehicle, the wheels, casters and tires should be checked periodically for cracks and wear and should be replaced.

Adjusting Forks

NOTE: For this procedure, refer to FIGURE 10.1.

1.Remove the dust cover from the caster headtube.

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

A.Remove battery boxes and battery tray from wheelchair. Refer to Removing/Installing the Battery Boxes on page 49 and Installing/Removing Battery Tray on page 50.

B.Tip back the wheelchair to floor.

C.Pivot both forks and casters to top of their arc simultaneously.

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

E.Adjust locknuts according to freedom of caster swing.

3.Test wheelchair for maneuverability.

4.Readjust locknuts if necessary, and repeat STEPS 1-3 until correct.

5.Snap dust cover into the caster headtube.

Dust Cover

Locknut

Nylon

Washer

Caster

Headtube

Fork

Caster

FIGURE 10.1 Adjusting Forks

Part No. 1123839

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Contents XP6500 XP6520 Page Table of Contents Front Riggings Wheelchair OperationArms Seat and BackBatteries Limited WarrantyCLUTCH/MOTOR Lock Wheel LocksSpecial Notes Signal Word MeaningSpecial Notes Wheelchair TIE-DOWN Restraints and Seat RestraintsSpecial Notes XP6500 XP6520 Typical Product ParametersImportant Notice Label LocationsController Settings/Repair or Service General GuidelinesOperating Information General Guidelines Electrical Accessories Tire PressureBatteries Charging Batteries Rain Test Grounding InstructionsWeight Limitation Weight TrainingEMI Information EMI InformationEMI Information SAFETY/HANDLING of Wheelchairs Stability and BalanceCoping With Everyday Obstacles Tipping Curbs TippingLifting/Stairways Escalators Warning Transferring to and From Other SeatsReaching, Leaning and Bending Forward Percentage of Weight DistributionReaching, Leaning and Bending Forward Reaching and Bending BackwardSafety INSPECTION/TROUBLESHOOTING Safety Inspection ChecklistsInspect/Adjust Initially Inspect/Adjust Weekly Inspect/Adjust MonthlyInspect/Adjust Periodically Troubleshooting Mechanical Troubleshooting GuideSymptom Probable Cause Solutions DON’T Checking Battery Charge LevelWheelchair Operation Joystick Switches and IndicatorsInformation Gauge Display Joystick Switches and IndicatorsWheelchair Operation Display Description Definition Comments Using the Horn Turning the Power On/OffUsing the Joystick to Drive the Chair Operating the WheelchairReverse Movement ActionInstalling/Removing/Using the Footrest/Legrest InstallingFront Riggings Adjusting the Footrest Height UsingRemoving Replacing the Heel Loop Raising/Lowering the Legrest AssemblyRaising/Lowering the Legrest Assembly Arms Adjusting Armrest HeightReplacing Armrest Pad Swing-Back ArmsSeat and Back Replacing the Seat UpholsterySeat Depth Number of Screws Replacing the Back Upholstery Replacing the Back UpholsteryAdjusting the Back Height Adjusting the Back HeightReplacing Seat Positioning Strap Replacing Seat Positioning StrapPreparing the Joystick for Use JoystickRepositioning the Joystick Repositioning the JoystickCasters Adjusting ForksBatteries When to Charge BatteriesDescription and Use of Battery Chargers Charging BatteriesTools Quantity Comments Recommended Battery Types Connecting the Battery ChargerQTY Volts Battery Remarks Width Replacing the BatteriesRemoving/Installing the Battery Boxes Cleaning Battery TerminalsImmediately Removing/Installing Battery Boxes Installing/Removing Battery TrayTool QTY Comments Installing/Removing Batteries Into/From Battery BoxesInstalling/Removing Batteries Into/From Battery Boxes Connecting Battery CablesBatteries Replacing Battery Box Retaining Strap Replacing Battery Box Retaining Strap Engaging/Disengaging the Clutches CLUTCH/MOTOR LockInstalling/Adjusting/Using the Wheel Locks Installing/AdjustingWheel Locks Installing/Adjusting/Using the Wheel Locks Installing/Removing/Adjusting Anti-Tippers Adjusting HeightANTI-TIPPERS Installing/Removing/Adjusting Anti-Tippers Transporting Transporting the WheelchairUnfolding/Folding the Wheelchair Transporting the Wheelchair Limited Warranty Probasics