Ulvac VD151, Инструкция по эксплуатации

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YK08-0028-DI-002-08
41
Trouble Causes Processing method Reference
Oil leak outside
the Pump
1) Deterioration of
the O-ring and/or Oil
seal
of the Case and Cover.
2) Oil inlet is loose.
1) Check the O-ring and Oil
seal.
Replace them if necessary.
2) Tighten again the Oil inlet.
6.2.3
6.4
Abnormal Motor
current value
1) Foreign substance
entered inside the
Pump
impaired the Motor
rotation.
2) Abnormal sliding of
the Rotor and/or vane.
3) Keeping continuous
operation under high
suction pressure.
1) Overhaul, removal of foreign
substance inside the Pump.
2) Overhaul, check and repair
inside.
3) Adjust the pressure.
6.4
6.4