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Dynaset Oy | Menotie 3, FI-33470 Ylöjärvi, Finland | tel: +358 3 3488 200 | [email protected] | www.dynaset.com
HYDRAULIC SCREW COMPRESSORS
MAINTENANCE
6.11. TROUBLESHOOTING
Performing the maintenance tasks requires a qualified hydraulic mechanic.
Please, contact DYNASET authorized workshop or dealer for more maintenance
information.
FAILURE
REASON
CORRECTIVE ACTION
Compressor does not start
while hydraulic system is
operating.
Malfunction or fault on
hydraulic control valve or
connection.
Check and repair.
Excessive internal pressure
remained in compressor.
Check and depressurize.
Failure in hydraulic system.
Check that the hyraulic pressure
and flow are sufficient. Adjust if
necessary.
Check the hydraulic motor of
compressor for possible leakage.
Replace shaft seal if necessary.
Air pressure in delivery line
prevents compressor start.
Check and depressurize air
delivery line.
FAILURE
REASON
CORRECTIVE ACTION
Compressor has difficulty
starting.
Failure in hydraulic system.
Insufficient hydraulic
pressure or flow.
Check that system hydraulic
pressure and flow are sufficient.
Adjust if necessary.
Check the hydraulic motor of
compressor for possible leakage.
Replace shaft seal if necessary.
Air pressure in delivery
line prevents compressor
start.
Check and depressurize air
delivery line.
Compressor is flooded
with oil.
Check oil return line nozzle,
check valve and air-oil separating
element(s). Replace if necessary.
Ambient temperature too
low.
Check the viscosity of oil.
Oil filling too viscous.
Check the viscosity of oil.
Содержание HKR 1300
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