INFICON UL1000 Helium leak detector - Manual (Page 23)

Installation
23
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Loosen the screws approximately 10 mm above the chassis plate and tighten then
the counter nuts again:
For transportation tighten the screws again and fix them by the counter nuts.
2.2 Working Location
Move the UL1000 and UL1000 Fab to the desired position and arrest the castors.
Fig. 2-3
STOP Danger
Caution: Exhaust gases and fumes:
Exhaust gases and fumes from oil-sealed pumps may be harmful to health.
For operation in poorly ventilated rooms, an exhaust pipe should be connected to
exhaust connection 5 depending on the application and gases used.
Caution
Make sure that you can always reach the mains plug.