Withdrawal
Remove brake drum.
Press the spring plate with pliers and turn it 90° (¼ turn). While pressing, hold the rear pin on the brake shield.
Disconnect the lower return spring.
Raise the brake pads from the lower support by hand, remove the return spring.
Disconnect the brake cable
Clamp the pads in a vise.
Release wedge tension spring and upper return spring with combination collet.
Clamp the brake shoe in a vise and release the pressure spring.
Installation
Be sure to install pads of the same type. Blow out the brake drum and brake shield with compressed air. With the pads removed, do not press the brake pedal to prevent the pistons from leaving the cylinder. If the wheel cylinder is wet, it must be repaired. If there are grooves, bore out the brake drum. At the same time, bore both drums.
Clamp the expansion bar in the suits, install the clamping spring and put the block on the bar.
Place wedge. The wedge is placed between the brake shoe and brake shield.
Attention: The spout is directed towards the shield.
Insert the brake shoe into the brake lever.
Attach the return spring from above.
Attach the brake cable to the brake lever.
Install a shoe on the pistons of the wheel brake cylinder.
Insert the return spring from below and install the brake pads in the lower support.
Insert pressure spring pins, place cups and compress springs. At the same time, hold the pin from behind, turn the cup for fixation by 90°.
After installing the brake drum and adjust the play of the bearings.
Press the brake pedal several times to install the pads.
Position the wheel, lower the vehicle and tighten the wheel bolts to 110 Nm.
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