Ulvac VD151 - Page 55

YK08-0028-DI-002-08
37
Trouble Causes Processing method Reference
The Pump
does not run.
10)The motor
malfunctions.
11)Moisture or solvents
were sucked in, forming
rust inside the pump.
12)Water absorption
expands the vanes.
13)Components inside
the pump have burnt out.
14)Temperature is low
15)At the pump stop,
Not to vent the pump to
atmospheric pressure.
10)Replace the motor.
11)Overhaul
(replace the cylinder and
rotor).
12)Overhaul
(replace the vanes)
13)Overhaul
(replace the damaged
components).
14)
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 leakin
a pump
d) Replace the oil.
ULVOIL R-42
15)turn the pump on and off
several times in short
intervals.
3.5
6.4
6.4
6.4
4.2
4.3
4.5
6.2.2
4.2
4.3
4.5