Before assembling the engine, it is necessary to clean all its parts from carbon deposits and resinous deposits

Scheme of the diesel liquid cooling system with forced circulation of the coolant from the centrifugal pump is shown in Figure 1

Remove the oil sump and crankcase gasket

Remove the oil pump

Check whether the size group of the piston set matches the size group of the cylinder liners

The oil pump is removed for replacement or repair when the pressure in the lubrication system drops below the permissible level, when the gears are noisy and the pressure reducing valve plunger is stuck

Remove the cylinder head

Remove the crankcase and crankcase gasket