Operation CHARM: Car repair manuals for everyone.
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Overhaul







Disassembly
1. Remove the hydraulic body.
2. Clean the hydraulic body and press out the brake piston with compressed air.
- Position a brake pad or block of wood as protection when the piston is pressed out.

WARNING:
- Take care not to damage the cone in the hydraulic body as oil leakage could otherwise occur.
- Use a piece of paper or a cloth.

3. Remove the dust excluder.
4. Remove the piston sealing ring.
- Use a plastic cable tie or the like.

Assembly





Inspect the components and change any that are damaged.
Lubricate the piston sealing ring, using the grease supplied with the set of seals.
Also lubricate the dust excluder with grease.

1. Install the new piston sealing ring in the groove in the brake cylinder.
2. Install the new dust excluder on the piston as follows:
a) Install the dust excluder over the brake piston from the brake pad's friction lining side.
b) Slide the dust excluder to the other end of the piston.
3. Press the dust excluder's collar into the groove in the brake cylinder, starting at the bottom.
4. Press the piston into the brake cylinder.
5. Install the hydraulic body.