Unscrew the two bolts securing the caliper to the disc. Without disconnecting the brake hose, move the caliper to the side and hang it on a technical hook to the body so that the brake hose is not loaded.
Disconnect the parking brake cable and tension spring from the parking brake shoe actuator lever.
Loosen the parking brake shoe clearance adjustment bolt.
Using a screwdriver as a lever, remove the wheel hub cap.
Remove the cotter pin and unscrew the hub nut, remove the lock washer.
Remove the brake disc, which is made integral with the hub.
Check the condition of the hub axle and replace it if necessary.
Use a screwdriver to remove the mudguard ring from the hub.
Remove the inner race of the inner hub bearing.
Support the hub on the KM 466 2 mandrel using a drift (see picture) press out the outer ring of the inner bearing, moving the drift around the circumference to prevent jamming. Using the drift, press out the outer ring of the outer bearing.
Clean the hub and check its condition.
Press the outer ring of the outer bearing into the hub until it stops.
Press the outer ring of the inner bearing into the hub.
Install the inner ring of the inner bearing into the hub.
Using a mandrel of the required diameter, press the mud-deflecting ring into the hub.
Fill the hub bearings with bearing grease, lubricate the working edge of the mud-deflecting ring with grease.
Install the brake disc into place, forming a single unit with the hub.
Press in the inner ring of the outer bearing, install the lock washer, and tighten the hub nut.
Adjust the clearance in the hub bearings as described above.
Connect the parking brake cable and tension spring to the parking brake shoe actuator lever.
Adjust the clearance between the parking brake shoes and drum as specified in the section "Brake system".
(The source is on the online website www.OpelBook.ru)
Install the brake caliper in place and tighten the mounting bolts to a torque of 6.5 kgf·m.
Check the condition of the brake shoe linings and replace them if necessary.
Install the rear wheel.
Press the brake pedal sharply two or three times to set the pistons to the working position.
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