Section 4-Wheels And Wheel Locks; Removing/Installing The Drive Wheel - Invacare TDX SI Service Manual

SECTION 4—WHEELS AND WHEEL
LOCKS

Removing/Installing the Drive Wheel

NOTE: For this procedure, refer to FIGURE 4.1 on page 36.
Removing
1. Remove the batteries. Refer to Removing/Installing the Batteries From/Into the
Wheelchair on page 71.
2. Place two 5-inch blocks under battery frame to lift frame off the ground for ease in
performing this procedure.
3. Perform one of the following:
• To Remove the Drive Wheel Only -
i. Remove the five 5/16-18 x .88-inch cap screws securing the drive wheel to the
wheel hub.
ii. Remove the drive wheel from the motor/gearbox assembly.
• To Remove the Drive Wheel and Wheel Hub -
i. Remove the five 5/16-18 x .88-inch cap screws securing the drive wheel to the
wheel hub.
ii. Remove the drive wheel from the motor/gearbox assembly.
iii. Remove the 1/2-20 locknut and .511/.501 x 1.290 x .12 flat washer securing the
wheel hub to the motor/gearbox assembly.
iv. Remove the wheel hub from the motor/gearbox assembly.
v. Remove the 3/16 x 1-1/4-inch key from the drive shaft.
Installing
1. Perform one of the following:
• To Install the Drive Wheel Only -
i. Secure the drive wheel to the wheel hub with the five 5/16-18 x .88-inch cap
screws. Torque to 160 in-lbs.
• To Install the Drive Wheel and Wheel Hub -
i. Insert the 3/16 x 1-1/4-inch key into the keyway of the drive shaft.
Part No 1160845
SECTION 4—WHEELS AND WHEEL LOCKS
35
TDX® SI/SI-HD