The triple safety valve (Fig. 1) performs the following functions:
- - divides the air line coming from the compressor into two main and one additional circuit;
ZIL-5301 Clutch Release Drive
ZIL vehicles and buses use a hydraulic clutch drive with a pneumatic booster.
As a rule, the pneumatic-hydraulic booster (PGU) is disassembled for repair in the following cases:
ZIL-5301 vehicles and its modifications are equipped with an alternating current generator mod. 2022.3701, ZIL buses are equipped with an alternating current generator mod. 3882.3701