car ZIL-131

The safety valve is designed to protect the pneumatic system from excessive pressure increase in the event of damage to the automatic pressure regulator

The crankshaft is steel, with hardened journals, five-bearing, with channels for lubrication and centrifugal traps for cleaning oil, the diameter of the main journal is 75-0.020 mm, and the connecting rod is 65.5-0.020 mm (Fig. 1)

The tapered roller bearings of the drive bevel gear shaft of the gearbox are adjusted with a slight preload; axial clearance is not allowed

The power take-off (Fig. 1) is reversible, serves to drive the winch and is installed on the flange of the gearbox hatch

Power steering pump 1 with a reservoir is mounted on the engine and is driven through a pulley by a V-belt from a pulley located on the front end of the crankshaft