Removing
Remove the rear wheel.
Remove the brake drum.
Disconnect the upper spring with brake spring pliers.
Remove the retaining clamp.
Disconnect the adjusting lever with spring.
Remove the adjusting module with the thermoclip, Spread the brake pads a little.
Turn the cups of the compression springs on both sides with the help of a special tool KM 346 until the springs are released.
Remove the front brake shoe and disconnect the spring.
Disconnect the rear brake shoe from the parking brake cable and remove.
Installation
Clean the brake shield and cover on both sides with anti-squeak grease all mating surfaces of the brake pads in the area of the arrows.
Clean the brake drum.
Check the wheel brake cylinder for leakage, replace if necessary.
Check retaining springs and fasteners for damage, replace if necessary.
Check the brake pads for cracks, oiling and wear, replace the brake pads if necessary.
Check the brake drums for cracks and the surfaces of the brake pads for marks – if necessary, grind the brake drum or replace the brake drum.
Install the rear brake shoe into the parking brake cable.
Note. Before installing the brake shoes, make sure that the parking brake cable is in the guide on the brake shield.
Install the retainer, compression spring and plate using the KM 346 special tool.
Attach the fixing spring and install the front brake shoe on the guide.
Install the retainer, compression spring and front brake shoe plate.
Install the control module.
Coat the threads with silicone grease.
Note. The ratchet must not be blocked at the end of the adjustment module.
Install the thermoclamp adjustment module - make sure the installation is correct (arrow).
Make sure the spring washer has been installed prior to installing the adjusting lever.
Note. Install a new spring washer when installing new brake pads.
Install the spring adjuster.
Install the retaining bracket and upper spring with brake spring pliers.
Install the brake drum.
Install the rear wheel and tighten to 110 Nm.
Adjust drum brakes and parking brakes.
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