DOA HD 13 Panduan Keselamatan, Pengoperasian, dan Pemeliharaan - Halaman 16
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Halaman Cetak
PROBLEM:
CAUSE
Power pack flow lever left in OFF
Problems of flow circulation
The trigger or the ON OFF valve are
broken or blocked
Broken hydraulic motor or broken drive
shaft
PROBLEM
THE BIT TURNS BUT THERE ARE POOR PERFORMANCES –
CAUSE
The flow control valves integrated in the
tool are dirty, damaged or blocked
The power pack does not give sufficient
pressure
The power pack has low setting of the
relief valve
Tool broken
THE TOOL SHAFT DOES NOT TURN
TOOL HAS NO POWER
SOLUTION
Put flow lever in ON delivering flow to tool
Control hoses, quick couplers and their
installation sequence,
Control and repair
Control / repair or contact the nearest
DOA service agent
SOLUTION
Control, clean or change
Control the power pack pressure delivery
Increase setting of relief valve of power
pack
Control and contact the nearest DOA
service agent