SK00-4167-DI-002-07
25
4.
Trouble Shooting
Table 8
Performance specifications
Trouble
Causes
Processing Method
The Pump
dose not
run.
1
Motor connection is wrong.
Check the connection.
2
Safety circuit such as a MS
(Magnetic Switch) is not correctly set.
Make the Safety circuit conform to the
Motor specification.
3
Oil viscosity got higher.
Change oil.
4
Foreign substance entered in the
Pump caused burning the rotor or the
like
Conduct the overhaul
(replacement of the cylinder, rotor, cover
and so on.)
5
Reactive agent accumulated inside
the Pump while the Pump was
stopped after having exhausted the
reactive gas.
Conduct the overhaul
(Cleaning inside the Pump, removal of
reactive agent and so on.)
6
The Pump is not connected to the
power supply.
Connect the Pump to the power supply.
7
The power switch is not turned on.
Turn on the power switch.
8
Are all three phases of power supply
normal?
Abnormal phase voltage.
Check the power supply.
9
Are the Safety circuit such as a MS
(Magnetic Switch) and MCCB
(Molded Case Circuit Breaker)
normal? Trips.
Right the cause of trips.
Reset
10
Are the Safety circuit such as a MS
(Magnetic Switch) and MCCB
(Molded Case Circuit Breaker)
normal?
Failure of components.
Check the Safety circuit and replace.
11
Run only by the Motor.
Is the Rotation and current value
correct?
Replace the Motor.
12
Moisture or solvents were sucked in,
forming rust inside the Pump.
Conduct the overhaul (replacement of
the casing, rotor, cover and so on.)
13
Components inside the Pump have
burnt out.
Conduct the overhaul.
14 Temperature is low
a. Turn the Pump on and off several times
in short intervals.
b. Warm up the Pump oil.
c. Move a pump while putting slow leak in
a pump
d. Replace the ULVOIL R-42
15 Pump was not vented when stopped.
Turn the Pump on and off several times in
short intervals.
16
The oil is not supplied by the
specified volume.
a. Oil flow to outside of pump.
Control the oil level.
Conduct the overhaul.
Supply the oil by the specified volume.
a. Replace O-rings, etc.
17 The belt tension decreases
Re-tension the belt.
Summary of Contents for PVD-180
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