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09665-08.2018-Gb
11 I Checking the compressor parts
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.
Valve plates
Suction and pressure lamella must be undamaged and undeformed. The sealing surfaces must be
clean and undamaged, between lamellas and valve plates there should not be any pollution (dirt,
swarfs etc.). 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 conditioning the reversing device of the oil pump must switch over audibly.
correct
faulty
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