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11 I Checking the compressor parts
Oil lter / suction lter
The lter screen must be in an undamaged condition. Dirt and residues have to be removed.
If necessary, the lter have to be cleaned with compressed air or replaced with new ones.
Internal decompression valve (use Bock special tool item No. 09524 up to A015, socket wrench SW 22 from A017).
The internal decompression valve must be replaced after it has operated.
INFO In case of larger compressor damages which necessitate a complete disassembly of the compressor,
we recommend in principle the replacement of the following assemblies
Valve plates
Piston rings
Shaft seals
Roller bearings
Thus, concealed defects of parts which have been in operation may be prevented.
Decompression valve
Oil lter
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