Contents: Removal ↡ Installation ↡
Removal
1. Remove the rear brake disc.
2. Remove the rear seat.
3. Remove the cable equalizer protective shield under the rear seat.
4. Tighten the automatic cable length equalizer (12). To do this, use an Allen key to turn the crank (g) approximately 1/2 turn to the right and at the same time push it back in the longitudinal slot until the crank is fixed in the spring housing (a) in the spring clamp (d), (e - equalizer lever, f - intermediate lever, 93 - safety pin, 94 - release spring.)
5. Turn the rear axle shaft flange (68) so that the threaded hole is above the spring (107).
6. Lightly compress the pressure spring (107) with the Mercedes-040 tool and turn it 90° (1/4 turn) and unhook. You can also make an auxiliary tool yourself: weld a T-shaped handle to one side of a rod of the appropriate diameter, and cut a slot about 4 mm deep and about 2.5 mm wide on the other side.
7. Remove the pressure springs of the other brake shoes in the same way.
8. Disconnect the release spring (111) from the brake shoes using the tool (041) or a screwdriver.
9. Disconnect both brake shoes (112) from each other and remove through the flange of the rear axle shaft. Mark the installation position of the adjusting device. The adjusting wheel points forward.
Original source of information [MercedesMan.ru]
10. Disconnect the release spring (112) from the brake shoes and remove the adjusting tool (104) to (106).
11. Push the bushing (114) out of the expansion joint (109) and remove the expansion joint from the cable (86).
Installation
1. Lubricate all bearing and sliding surfaces of the expansion joint with a thin layer of high-temperature grease, such as Liqui Moly LM-36, Molykote-Paste-U or G-Rapid.
2. Attach the brake cable (86) with the pin (114) to the expansion joint (109). Then press the expansion joint in the direction of the protective ring (102).
3. Unscrew one of the other parts of the adjusting device. Lubricate the thread of the pressing part with high-temperature paste, as well as the cylindrical part of the adjusting wheel.
4. Screw the push piece (104) into the adjusting wheel (105) and insert it into the push sleeve (106). In doing so, screw the push piece in completely.
5. Place the adjusting device between both brake shoes so that the pressure piece (104) points in the direction of travel.
6. Connect the release spring (112) to the brake shoes.
7. Spread the brake pads, install them on the rear axle shaft flange and insert them into the spacer lock.
8. Insert the pressure spring with the auxiliary tool into the brake shoe, slightly compress it, turn it 90° and finally insert it into the protective ring. Finally, check that the spring is seated correctly.
9. Insert the pressure spring for the other brake shoe.
10. Insert the small eye of the return spring into the front brake shoe. Use a screwdriver to insert the large eye (arrow) into the other brake shoe.
11. Install the rear brake disc.
12. Loosen the automatic cable length equalizer by lifting the spring clamp with a screwdriver, after which the length equalizer will be installed automatically.
13. Install the cable equalizer protective cover and tighten the bolts.
14. Install the rear seat.
15. Adjust the parking brake.