Contents: Disassembly ↡ Assembly ↡
Dual master cylinder
1 - Tank seat seal; 2 - Cuff; 3 - Piston (to the pusher); 4 - Lock washer; 5 - Retaining ring; 6 - Vacuum seal; 7 - Intermediate ring; 8 - Clip; 9 - Filling washer; 10 - Primary clutch; 11 - Support ring; 12 - Spring plate; 13 - Float; 14 - Connecting screw; 15 - Locking screw; 16 - Tank cover; 17 - Spring; 18 - Ring couplings; 19 - Spring plate; 20 - Piston (float contour); 21 - Spring; 22 - Body; 23 - Splash guard; 24 - Mesh filter; 25 - Lid; 26 - Compensator; 27 - Contact insert; 28 - Sealing ring; 29 - Location of the stepper tandem locking screw
Components of the master brake cylinder
3, 7, 20 - Pistons; 5 - Retaining ring; 8 - Stop plate; 9 - Traffic jams; 10 - Tank; 22 - Body; 27 - Guide pin
The Tandem type master cylinder is shown in the illustrations.
Disassembly
1. Lightly press the pin (3) and remove the cylindrical pin (27) using pliers.
2. Remove the retaining ring (5) and remove the piston (3) together with the secondary seal from the housing (22).
[Material based on data from the portal: MercedesMAN.ru]
3. Remove the floating piston from the housing (22) using pliers.
4. Wipe the case and check the internal surfaces of the case for damage.
5. Wipe all parts with new brake fluid.
Assembly
1. Disconnect the bushing (040) from the bushing (041).
2. Remove the secondary seal and piston from the sleeve (041).
3. Secure the housing (22) with the holes facing down.
4. Lubricate the housing hole (22) with brake fluid.
5. Insert the bushing (040) into the hole and press the floating piston (20) until it stops using a screwdriver. When installing the piston, make sure that the guide groove (arrow) is installed vertically.
6. Insert the cylindrical pin and remove the bushing (040).
7. Secure the brake cylinder with the holes facing up.
8. Insert the secondary seal into the housing (22) and press it in.
9. Secure the piston (7), insert the locking plate (8) and secure it with the locking ring (5). Make sure that the locking ring (5) is correctly positioned in the groove of the housing (22).
10. Lubricate the plugs (9) with brake fluid and press them into the housing (22). Install the reservoir (10) with one tube onto the housing (22), turn it 180° and then install the second tube onto the housing (22).