WHEELS | PROCEDURE 6 |
This Procedure Includes the Following:
Replacing Pneumatic Tires/Tubes - Drive Wheels/Casters
Removing/Installing Drive Wheels
Replacing Casters
Replacing Forks
WARNING
After ANY adjustments, repair or service and BEFORE use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result.
CAUTION
As with any vehicle, the wheels and tires should be checked periodically for cracks and wear and should be replaced.
Installing
NOTE: The keystock in the wheel hub MUST lineup with the cutout in the gearbox drive shaft.
1.Install new/existing drive wheel onto the motor drive shaft. Make sure the chamfered (angled in) side of the wheel hub is pointing away from the wheelchair.
2.Install washer onto motor drive shaft.
3.Install the NEW locking tab washer onto the motor drive shaft. Make sure the locking tab is in line with the keyway of the front wheel.
4.Apply Loctite® 242 to the hex screw.
5.Install the hex screw. Use a torque wrench only and torque to
6.Examinetheheadofthehexscrewandthelockingtab washer. Make sure one (1) of the tabs on the locking tab washer is parallel with one (1) of the flats on the head of the hex screw.
W H E E L S
REPLACING PNEUMATIC TIRES/ TUBES - DRIVE WHEELS/CASTERS
WARNING
DO NOT use your wheelchair unless it has the proper tire pressure (p.s.i.). DO NOT overinflate the tires. Failure to follow these suggestions may cause the tire to explode and cause bodily harm.
If tires are pneumatic, replacement of tire or tube MUST be performed by an Invacare dealer or qualified technician.
NOTE: If drive wheels or casters are pneumatic,
REMOVING/INSTALLING DRIVE WHEELS (FIGURE 1)
WARNING
Keystock
Chamfered
Side of Wheel
HubMotor
Driveshaft
Locking Tab | Keyway |
| |
Washer |
|
| Washer |
Hex Screw (Apply Loctite 242 and use a Torque
Wrench only to Torque to
TIGHTEN Hex Screw if Locking Tab is not
Parallel with Flat on Head (STEP 7)
NEVER use a locking tab washer more than once. ALWAYS use a NEW locking tab washer when installing the drive wheels. Otherwise injury or damage may result.
Removing
Flat on Head of Hex Screw
Locking Tab Parallel
with Flat on Head of
Hex Screw (STEP 6)
Locking
Tab
1.Removethehexscrew,lockingtabwasherandwasher that secure the existing drive wheel to the wheel hub.
2.Use a wheel puller to remove the existing drive wheel from the motor drive shaft.
Bend Tab up tight against Flat on Head of Hex Screw (STEP 8)
| FIGURE 1 - REMOVING/INSTALLING |
Loctite- Registered trademark of Loctite Corporation. | DRIVE WHEELS |
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