Ulvac PMB100D - Page 101

YK11-0016-DI-002-08
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Trouble Causes Processing Method Reference
Unusual
sounds
make.
1
Motor rotation direction is
reverse.
Do the connection again to
correct the rotation direction.
3.5
4
2
The oil is not supplied by
the specified volume.
Control the oil level.
Supply the oil by the specified
volume.
Conduct the overhaul.
(Replacement of the pump part)
3.2
6.2.1
6.2.2
6.2.3
6.2.4
3
Foreign matter has
entered the pump.
Conduct the overhaul.
(Clean the pump to eliminate
foreign matter.
6.2.8
6.4
4
Components inside the
pump have burnt out.
Conduct the overhaul. 6.4
5
Coolant does not flow.
(Specified volume is not
flowing.)
Keep flowing the Coolant by the
specified volume.
Conduct the overhaul.
(Replacement of the pump part)
3.6
6
6.1
6.2.5
6
Any sound (clattering)
synchronized with rotating
speed?
Conduct the overhaul. (Re-
adjust timing.)
6.4
7
Is roaring machine noise
always heard?
Conduct the overhaul.
Replace bearing and gear.
6.4
8
Metal noise of high
frequency
Stop the Pump,
lubricate the Mechanical seal.
3.2.2