SECTION 4—WHEELS AND WHEEL LOCKS
34
SECTION 4—WHEELS AND WHEEL LOCKS
NOTE: The following tools and materials are required to perform this procedure:
•
13-mm socket with ratchet
•
Needle-nose pliers
•
Wheel puller
•
Two 5-inch blocks
•
Torque wrench
•
Loctite 242
•
Anti-sieze compound
Removing/Installing the SSD Motor Drive Wheel/Wheel Hub
NOTE: For this procedure, refer to FIGURE 4.1
NOTE: Reverse this procedure to install the drive wheels.
1.
Place two 5-inch blocks under battery frame to lift frame off the ground for ease in performing this procedure.
2.
Remove the five mounting screws securing the drive wheel to the wheel hub.
3.
Remove the drive wheel from the wheel hub.
4.
If necessary, remove the locknut, washer, wave washer and 5mm spacer securing the wheel hub on the drive shaft.
5.
If necessary, repeat STEPS 2-3 to remove the remaining drive wheel.
FIGURE 4.1
Removing/Installing the SSD Motor Drive Wheel/Wheel Hub
Removing/Installing the Inside Rim and Pneumatic Tire
NOTE: For this procedure, refer to FIGURE 4.2.
Removing
1.
Remove the drive wheel. Refer to Removing/Installing the SSD Motor Drive Wheel/Wheel Hub on page 34.
DANGER
If wheelchair is equipped with pneumatic tires, deflate the tire before removing rim. Otherwise,
the rim and hardware will become projectiles and cause serious personal injury and/or damage
to surrounding property.
2.
Remove the five 5/16-18 x 7/8-inch hex head cap screws that secure the inside rim to the outside rim.
3.
Remove the inside rim and tire.
Installing
1.
Place the outside rim against one side of the tire.
2.
Place the inside rim against the other side of the tire.
NOTE: Align the mounting holes in the inside rim with the mounting holes in the outside rim.
Mounting Screws
Drive Wheel
Wheel Hub
Locknut
Washer
3mm Hub Spacer
Motor/Gearbox Assembly
Drive Shaft
Wave Washer
5mm Hub Spacer