Withdrawal
1. Remove the wheel with tire.
2. Remove the brake hose from the brake caliper.
3. Remove the brake caliper assembly after removing the plate.
Disassembly
1. Loosen the bracket mounting bolts and separate the bracket.
2. Remove the ring boot with a flat blade screwdriver.
3. Remove the cover from the piston.
4. Remove the piston by supplying compressed air through the opening of the brake hose fitting.
Warning. Your fingers should not be in front of the piston when using compressed air.
5. Using a screwdriver, carefully remove the piston seal so as not to damage the cylinder wall.
6. Clean the outer surface of the piston and the inner surface of the cylinder with brake fluid.
Examination
1. Check caliper and cylinder bore for wear, defects and/or corrosion.
2. Check the piston for wear, defects and/or corrosion.
3. Check the shackle body for wear.
4. Check the brake linings for warping and oiling and the metal backing for damage.
5. Check the lining wear indicator for defects.
6. Check the brake disc with a dial indicator and a micrometer. Machine the disc or replace it if necessary.
| Norm | limit value | |
| Disc thickness, mm | 22 | 20 |
| Disc runout, mm | — | 0,1 |
7. If necessary, replace the brake disc.
- 1) Separate the clamping plate from the trunnion and hang it on the wire.
- 2) With a special tool (09526-11001) Disconnect the drive shaft from the hub and remove the hub brake disc.
- 3) Install the brake disc and hub assembly to the axle shaft.
- 4) Install the drive axle nut and washer and then the drive shaft nut.
- Tightening torque - 200-260 Nm
- 5) Install the clamping plate on the trunnion.
Assembly
1. Clean the parts with isopropyl alcohol except for the trims and gasket.
2. Install the piston seal.
3. After applying the brake fluid to the outer surface of the piston, install the piston into the cylinder.
4. Install the piston boot into the annular boot.
5. Install the guide pin boots and the guide pin itself.
Installation
1. Install brake pads and cylinder.
2. Attach the brake hose to the disc brake caliper.
- Tightening torque of the threaded valve for bleeding the brake - 7-13 Nm
3. Fill the reservoir with brake fluid.
4. Bleed the brake system.