SECTION 4—WHEELS AND WHEEL LOCKS
35
3.
Secure the inside rim and the outside rim to the tire with the five 5/16-18 x 7/8-inch hex head cap screw with patch.
Torque to 13 ft-lbs ± 20%.
4.
Install the drive wheel. Refer to Removing/Installing the SSD Motor Drive Wheel/Wheel Hub on page 34.
FIGURE 4.2
Removing/Installing the Inside Rim and Pneumatic Tire
Replacing the Front/Rear Casters
Two Sided Fork Casters
NOTE: For this procedure, refer to FIGURE 4.3.
NOTE: Front and rear casters are replaced in the same manner.
NOTE: When replacing the front/rear caster assemblies, it is
necessary to brace the caster assemblies to prevent the wheel from
spinning.
1.
Remove the 7/16-20 X 3-1/4 inch hex head screw, two
15/32 X 5/8 X 3/64 inch washers and 7/16-20 locknut that
secure the existing caster to the fork.
2.
Remove the existing caster and discard.
3.
Using the 7/16-20 X 3-1/4 inch hex head screw, two 15/32
X 5/8 X 3/64 inch washers and 7/16-20 locknut, secure
the new caster to the fork. Torque to 13 ft-lbs ± 20%.
FIGURE 4.3
Replacing the Front/Rear Casters - Two
5/16-18 x 7/8-inch
Hex Head Cap Screw
with Patch
Tire
Outside Rim
Inside Rim
7/16-20 X 3-1/4-inch
Hex Head Screw
7/16-20 locknut
15/32 X 5/8 X 3/64-inch
Washers
15/32 X 5/8 X 3/64-inch Washers
Caster
Fork
