Removal And Installation

REAR DRUM BRAKE


Removal and Installation


REMOVAL

WARNING:
Clean any dust from the brake caliper and brake pads with a vacuum dust collector. Never blow with compressed air.

CAUTION:
- Never depress the brake pedal while removing the brake pads drum.
- Never drop the removed parts.
1. Remove tires with power tool.
2. Perform drain the brake fluid when remove or disassemble the wheel cylinder. Draining.
3. Remove the brake drum with the parking brake lever. If brake drum is difficult to the brake drum, remove it with the following procedure.





a. Remove the plug from brake drum.
b. Pull the adjuster lever (2) from the plug hole of brake drum (1) using a suitable wire (A), rotate the adjuster (3) in the direction
(Black Arrow) using a suitable tool (B), and then compress the expanded brake shoe.
4. Press and rotate the retainer, and then remove the retainer, spring and shoe hold pin.





5. Remove the brake shoe assembly (brake shoe, each spring, adjuster and adjuster lever).

CAUTION:
Never damage the boot of the wheel cylinder.
6. Remove the parking brake cable from operating lever.

CAUTION:
Never bend sharply the parking brake lever.





7. Disassemble the brake shoe assembly (brake shoe, each spring, adjuster and adjuster lever).





8. Open the joint (A) of retainer ring (1) and remove the retainer ring to remove the operating lever (2) from the brake shoe pin
(3).
9. Separate the brake tube from the wheel cylinder.
10. Remove the wheel cylinder from back plate.

INSTALLATION

WARNING:
Clean any dust from the brake caliper and brake pads with a vacuum dust collector. Never blow with compressed air.

CAUTION:
- Never depress the brake pedal while removing the brake drum.
- Never spill or splash brake fluid on the brake drum.
Note the following, and install in the reverse of removal.
- After installing the retainer ring, close the joint of retainer ring until securely closed.
- When disassembled adjuster, confirm the difference between left and right wheel for assemble.





- Apply PBC (Poly Butyl Cuprysil) silicone-based grease to the adjuster screw.
- Apply PBC (Poly Butyl Cuprysil) silicone-based grease to the mating faces between the adjuster and brake shoe.
- Apply PBC (Poly Butyl Cuprysil) silicone-based grease to the mating faces between the back plate and brake shoe.
- Shorten adjuster by rotating it.
- Install the brake shoe assembly so that it does damage the wheel cylinder.
- Check the component parts of brake shoe assembly are installed properly.
- Check the brake shoe sliding surface and brake drum inner surface for grease. Wipe it out any adheres to the surfaces.
- Perform the air bleeding when removed or disassembled the wheel cylinder. Service and Repair.
- Never allow foreign matter (e.g. dust) and oils other than brake fluid to enter the reservoir tank.
- Adjust the brake shoe (parking brake lever stroke) after install and air bleeding. Component Tests and General Diagnostics.