Ulvac DIS-90, Instruction Manual

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3.2 Test operation
CAUTION
Danger of exhaust disruption
Remove blank flange from inlet and outlet.
Operation with blank flange being fitted can disrupt air flow or cause blank flange to fly by
exhaust impetus, resulting in accident, failure, or bodily injury from contact with flying
objects.
Remove blank
flange
Danger of foreign matter entering inlet
When checking turning direction, be careful not to enter foreign matter into an
inlet.
Foreign matter entering inlet can cause failure.
Prevent foreign
matter from entering
Test operation
①
Open inlet and outlet
Remove blank flanges (2 places)
from inlet and outlet of
vacuum pump.
②
Check turning direction
Open inlet, turn on electrical source
to start operating vacuum pump.
Vacuum pump turns clockwise
when viewed from motor side.
Check that comes out of air outlet.
If you fit pump to vacuum system and control operation of vacuum pump by
remote control,
first check pump itself for turning direction and then fit it to
vacuum system.
O-ring
Clamp
Blank Flange
Turning
Turning Direction plate