Ulvac VS1501, Инструкция по эксплуатации

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SK00-4390-DI-002-11
47
Trouble Causes Processing method Reference
Pressure does not
come down.
(10) The oil is not
circulating.
a) Oil pit of the Cover
or the like is
clogged.
b) Oil distributor valve
has a trouble.
(11)Water entered inside
the pump.
(12) Exhaust valve vane is
broken.
(10) Overhaul.
a) Clean the oil pit.
b) Check and repair the Oil
distributor valve.
(11) Replace the oil.
Check the water leakage.
(Check and replace the
Cooling pipe and/or Joints if
necessary.)
(12) Replace the Exhaust valve
vane.
3.2
6.2.11
Pump surface
temperature is
abnormally high.
Room
temp60°C
or more
(1) Coolant does not flow.
(Specified volume is
not flowing.)
(2) Keeping continuous
operation under high
suction pressure.
(3) The oil is not supplied
by the specified
volume.
(Less oil volume would
lower the cooling effect
of the Pump.)
(4) Suction gas is hot.
(1) Keep flowing the Coolant by
the specified volume.
(2) Pump surface temperature
would rise up around 100°C
on continuous operation
under high suction pressure.
No problem.
(3) Control the oil level.
Supply the oil by the
specified volume.
(4) Install a cooling device such
as the Gas cooler on the
suction side.
4.1
3.2