Loosen the locknut 5 (see figure 6-4) and adjusting nut 6, remove tension spring 9 (figure 6-26), then completely unscrew the lock nut and nut.
Figure 6-26. Parking brake drive parts:
1 - parking brake lever;
2 - button;
3 - traction spring;
4 - latch rod;
5 - case;
6 - front cable;
7 - rear cable guide;
8 - spacer sleeve;
9 - release spring;
10 - spacer bar;
11 - manual brake pad drive lever;
12 - rear cable.
Remove the front ends of the rear cable from the body floor brackets, and the cable sheath from the rear axle beam brackets, and remove rear cable 12.
Remove the lever assembly and front cable.
Remove the cotter pin and thrust washer, disconnect the front cable from the parking brake drive lever.
Install the parking brake in the reverse order of removal, and then adjust it (see "Adjusting the parking brake"). When installing, lubricate the rear cable guide, the parking brake lever axle and the front cable tip with Litol-24 or LSC-15 consistent grease.
Checking and repairing. Carefully check the condition of the parking brake components.
If a break or fraying of the wires is detected, replace the cable with a new one.
Make sure that the sector teeth and handle latches are not damaged; replace worn parts.
Check the serviceability of the spring. It should ensure that the lever returns to its idle position.
Check the condition of the rear cable housing and the fastening of the ends on the housing, and also make sure that the cable moves freely inside the housing. If the housing is damaged and the fastening of the ends is loose, replace the cable.