3c351ee6

14:21. Repair of the working brake cylinder

Working brake cylinder

1 – (to replace) dustproof covers;
2 – pistons;
3 – (to replace) a sealing ring of the piston;
4 – spring and plates of a spring;
5 – dustproof cap;
6 – pumping union;
7 – steel ball;
8 – case of the working brake cylinder

Assembly

PERFORMANCE ORDER
1. Check that all details pure and traces of isopropyl alcohol are removed.
2. Grease all internal details with pure brake fluid.
3. Establish internal details.
4. Establish a steel ball, screw the union of pumping and establish a dustproof cap.
5. Establish dustproof covers from two parties of the working brake cylinder.
6. Install the working brake cylinder on a brake board and fix by two bolts.
7. Clear the internal diameter of the working brake cylinder and an opening for supply of liquid and removal of air isopropyl alcohol. Check the interfaced surfaces for lack of corrosion and local development.

Prevention

With any defects, replace the working brake cylinder assembled.


Dismantling

PERFORMANCE ORDER
1. Remove brake shoes.
2. A cap wrench disconnect a brake tube, at the same time collect the leaked brake fluid.
3. Turn out two bolts and remove the working brake cylinder.
4. Remove dustproof covers from two parties of the working brake cylinder.
5. Pushing via the case of the working brake cylinder, remove all internal details.
6. Remove a dustproof cap, turn out the union of pumping and take a steel ball.

Inhaling moment: 10–13 N • m
7. Connect a brake tube and fix it by a connecting bolt.

Inhaling moment: 12–22 N • m
8. Establish brake shoes.
9. Remove air from a hydraulic contour of the brake system.
10. Check lack of leak of brake fluid.