Pic. 6-5. Installation diagram of the rear brake pressure regulator and its adjustment:
1, 7 - regulator fastening bolts; 2 - piston; 3 - support sleeve bracket; 4 - pressure regulator drive lever; 5 - axis; 6 - protective cap; 8 - thrust; 9 - pressure regulator; X = 150±5 mm.
Pic. 6-6. Installing tool 67.7820.9519 for adjusting the position of the rear brake pressure regulator:
1 - fixture 67.7820.9519; 2 - pressure regulator drive lever.
Lift up the protective rubber cap 6 (pic. 6-5) and, turning the pressure regulator on the bolts, achieve a light contact of the lever with the piston 2.
Holding the regulator in this position, tighten the bolts 1 and 7 to failure, then cover the axis 5 and the protruding part of the piston 2 with a thin layer of grease DT-1. Place 5-6 g of the same grease in the rubber cap 6 and install it in place.
Remove tool 67.7820.9519 and connect the end of the lever to the rod 8.