Contents: Removal ⬇ Installation ⬇
It is also important to keep in mind that the brake pad material contains asbestos.
Removal
1. Raise the rear of the vehicle and place it on stands.
2. Loosen the nuts and remove the wheels.
3. Release the parking brake.
4. Use a screwdriver to unscrew the brake drum mounting screw and remove the drum. If the drum cannot be removed immediately, push out the plug from the back of the brake shield, insert a screwdriver into the hole until it touches the parking brake lever.
5. Press the lever against the brake shoe so that the shoes move away from the drum. It may be necessary to disconnect the brake drive at the equalizer.
6. Clean the brake from dirt (do not use compressed air for this - see above). Brake drums can be ground if necessary.
7. Drum dimensions are given in the Specifications. The main defect of the drum is the ovality of its working surface. Ovality prevents the brake pads from fitting tightly, which results in reduced braking efficiency. Ovality is eliminated by boring.
Installation
Before installing the drums, it is necessary to check the ease of movement of the adjustment mechanism. If it rotates with sticking, it is necessary to remove the brake pads, providing access and the ability to inspect the mechanism.
1. Sand the mating surfaces of the drums (internal surfaces) and wheel hubs.
(Original posted on the website: www.OpelBook.ru)
2. Place the drums back in place and tap them with a rubber mallet until the screw can be inserted.
3. Tighten the screw to 4 Nm.
4. After installing the drums, press the brake pedal 20-25 times to set the mechanism to the working position. The adjustment mechanism is set to the working position with a click.
5. If the parking brake cable has become disconnected from the equalizer, move the parking brake lever two notches and adjust the cables on the equalizer so that the brake shoes lightly touch them when the drums are turned.
6. After this, release the brake and check that the drums rotate freely.
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