Columbia CR-10 Chariot, Руководство по обслуживанию

Страница: 18 / 23

To remove the brakes (See Figure 4.2.3):

Raise and block up the rear of the vehicle.

On the drive wheel side, remove the drive chain master link (A) and the drive chain.

Remove the four wheel lug nuts holding the rear wheels to the rear hubs and remove the wheels.

Remove the dust cap.

Remove the cotter pin and castle nut from the spindle (B).

Remove the hub (C) from the spindle. On the drive wheel side, it will be necessary to depress the
treadle to release the brake before the hub with drum/sprocket assembly can be removed.

Remove 7/16" nut (D) from the bolt at the upper end of the treadle to brake assembly linkage and
disconnect the linkage.

Undo the springs and move the brake shoes aside allowing access to the backing plate (E) and the
backing plate retainer screws (not shown).

Remove brake backing plate retainer screws and brake backing plate spacer (F).
To install brakes:

Install the brake backing plate spacer and the brake backing plate. Use a thread-locking compound
on the brake backing plate retainer screws and tighten the screws, then loosen each screw 1/4 turn.

Connect the upper end of the treadle to the brake assembly linkage and torque the nut to 120 inch
pounds.

Temporarily install the brake shoes, hub with drum/sprocket assembly and castle nut on hub.

Depress rear of treadle to apply the brakes and to center brake assembly on spindle.

Carefully remove the castle nut, hub with drum/sprocket assembly and brake shoes without moving
the brake backing plate.

Torque the brake backing plate retainer screws to 200 inch pounds.

Install brake drum sprocket/hub assembly.

Install the hub on the spindle. On the drive wheel side it will be necessary to depress the treadle
before the hub with drum/sprocket assembly can be installed.

Install the castle nut on the spindle. Torque the castle nut to 120 inch pounds and then back the
castle nut off two slots and Install the cotter pin.

Install the dust cap.

On the drive wheel side, install the drive chain and master link. See Drive Chain Section 4.4 for
proper chain adjustment.

Install the wheels and lug nuts and torque to 65 foot pounds. Tighten lug nuts evenly in a star
pattern.
A
B
C
D
Figure 4.2.3
E
F
4-2