Maintenance and repair of the YaMZ-238A MAZ gearbox

Caring for the gearbox involves checking the oil level and changing it in the crankcase. The oil level in the crankcase must match the inspection hole

The transverse angle of the king pin of 5˚, as well as the camber angle of the wheels of 1˚, are ensured by the manufacture of parts of the front axle. These angles are not adjustable.

Repair of water pump YaMZ-2Z6NE, HE2, BE, BE2 of MAZ car

A typical malfunction of the water pump is water leakage through the impeller seal as a result of wear of the textolite ring

Adjusting the steering mechanism includes adjusting the propeller bearings and adjusting the engagement of the gear sector and rack nut

Start adjusting the mechanism with the screw bearings in the following sequence:

When disconnecting the high pressure fuel line from the injector (except for model 51 injectors), hold the injector fitting with a wrench to prevent it from unscrewing and fuel leakage

Thermal clearances in the valve mechanism are designed to ensure a tight fit of the valve on the seat when the valve drive parts expand during engine operation