Pistons
There should be no visible damages on the piston crown and the piston walls. The
grooves for the piston rings must be clean and undamaged. Check the condition of the
piston rings for wear, fractures and other irregularities.
Connecting rods
There should be no damages on bearing surfaces.
The connecting rod shank must be straight.
Fig. 26
correct faulty
Valve plates
Suction and pressure lamella must be undamaged and un-deformed. The sealing
surfaces must be clean and undamaged. In case of a damage the valve plate must be
replaced completely. Single lamella are not available.
Oil pump
It must be possible to turn the oil pump by hand (turning to the left and to the right).
In the removed condition the reversing device of the oil pump must switch over audibly.
Fig. 27
09608-09.03-DGbFEI
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