The clutch of the YaMZ-238 model is double-disc, dry, friction type, with a peripheral arrangement of cylindrical springs

Installing cylinder heads, valve rocker arms and adjusting valve clearances

The cylinder head mounting studs are screwed into the right and left rows of the cylinder block, having previously lubricated the threaded holes for the studs in the block with diesel oil

The gas distribution mechanism controls the timely intake of air charge into the cylinders and the removal of exhaust gases from them; consists of valves with springs, a camshaft with gears and parts that transmit movement from the shaft to the valves

The ignition system - battery-operated, contactless - consists of an ignition coil, a switch, an ignition distributor sensor, spark plugs, spark plug tips, low and high voltage wires. The ignition system diagram is shown in the car electrical equipment diagram

The cylinder head can be removed with the intake pipe and exhaust manifold. If the cylinder head is removed from an engine installed on a car, you must first perform the following operations:

  • - drain the liquid from the cooling system;

Malfunctions of pneumatic drive power supplies

When servicing the pneumatic drive of the car brakes, you must first of all make sure that the system is tight

Checking and adjusting the valve clearance must be done on a cold engine (coolant temperature 20˚С), with the cylinder head mounted on the block

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