Removing
Loosen wheel bolts.
Jack up and support the rear.
Remove rear wheel.
16. Fixing spring. 17. Fingers. 18. Brake pads. 20. Brake hose.
Loosen fixing screws (2) and remove the caliper (2) from the diagonal lever (4).
Remove brake disc (12) from axle flange (15). The figure also shows the dowel pin (14).
Hang the caliper on the stabilizer in such a way that the brake hose is not twisted or kinked.
Note: Do not disconnect the brake hose, otherwise» If so, you will need to bleed the brake system.
Remove brake disc (12) from axle flange' (15). The figure also shows the dowel pin (14).
Note: The parking brake must be off. A stuck brake disc can be freed by lightly tapping it with a rubber mallet.
Installation
In order for both wheels to brake equally, it is necessary that both disks have the same surface finish, it is necessary that both disks have the same degree of surface finish. Therefore, discs should always be replaced in pairs (on both wheels).
Remove rust from disc flange and rear axle shaft.
Attention: In order to facilitate the subsequent removal of the brake disc, you should lubricate the flange of the rear axle shaft in the place where the pins are installed with high-temperature paste (e.g. Molykote-U or G-Rapid, LiqubMoly LM-36 or LM-508 SC).
Wipe new discs with solvent to remove the protective coating from them.
Attach the new disc to the rear axle flange using the dowel pin. Install the caliper-to-diagonal lever, checking that the brake hose is not kinked.
Tighten new self-locking screws.
Attention: If the screws are poorly tightened, it is necessary to process the threaded holes in the diagonal lever with a M12x1.5 tap.
Replace the wheel, lower the machine and tighten the wheel bolts in a diagonal sequence.
Attention: After finishing work, press the brake pedal firmly several times to allow the new disc to rub against the brake pads.
Check the fluid level in the brake reservoir.