Repair ZIL-5301

All parts of the boost corrector (BC) to be assembled must be clean, and the rubbing surfaces must be lubricated with engine oil
Wiping parts with a wiping material is not allowed.

When removing the gearbox, it is necessary to unscrew the bolts securing the cabin floor cover, remove it and unscrew the flange for fastening the cardan shaft

Adjusting the fuel supply ZIL-5301
To adjust the amount and uniformity of fuel supply by the pump sections, do the following.
Before adjusting the pump for uniformity and amount of fuel supply by each section, check:

ZIL-5301 vehicles are equipped with a combined pneumatic-hydraulic brake drive with two independent hydraulic pneumatic circuits, divided into two circuits until July 2001, option 1 (Fig. 1a), and currently - option 2 (Fig. 1b)

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: