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MAINTENANCE
Basic machine
HBR204-MU-6-eng.doc
OPERATION AND MAINTENANCE INSTRUCTION MANUAL
THIS DOCUMENT IS THE PROPERTY OF HÜETTE BOHRTECHNIK GMBH - TOTAL OR PARTIAL REPRODUCTION IS PROHIBITED
G Every 1000 hours
G1
REPLACEMENT OF CARTRIDGES AND CLEANING
OF FUEL PRE-FILTER
To access the engine compartments, open the doors (A).
For procedures, methods and warnings on this phase,
refer to the enclosed manual for the diesel engine.
WARNING!
Danger of burns!
Wait for the surfaces in the engine compartment to
cool off before accessing the engine compartment.
G2
MAINTENANCE OF HYDRAULIC ACCUMULATORS
For the accumulator to operate correctly, the pre-charge pressure must remain constant.
For the type of instrument to use and the correct procedure to follow, consult Hütte
Bohrtechnik GmbH or a specialist workshop.
G3
REPLACING THE DRY AIR FILTER ELEMENT
The dry air filter cartridge must be replaced when it is
noticed that the primary cartridge remains soiled even
after cleaning operations have been properly carried out.
1.
Remove the filter cover (B).
2.
Replace simultaneously both primary and secondary
elements (C-G).
3.
Reassemble the filter paying attention to the sealing of
the cover (B).
6.34
6.7.1
5.6