INFICON HAPSITE ER Chemical Identification System - Manual (Page 68)

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HAPSITE ER Operating Manual
5 Keep the Concentrator aligned between the two elbow fittings while gently
pressing down on the top elbow fitting. See
Figure 2-41 .
Figure 2-41 Pressing Down on Elbow Assembly
6 While maintaining steady pressure on the top elbow fitting, first finger-tighten
the bottom nut of the Concentrator. Then, proceed to finger-tighten the top nut.
See
Figure 2-42 .
Figure 2-42 Tightening the Top and Bottom Nut
WARNING
Excessive force and/or tightening can cause the fragile
glass to break!
7 Using a 7/16th inch wrench, turn the nut approximately 1/4 of a turn until tight.
When pressure is released from the top fitting, the elbow should not move.
When gentle upward pressure is applied to the top elbow, the elbow should not
slip on the Concentrator. If the elbow moves, the Concentrator is not properly
seated, loosen the Concentrator, and repeat Step
3 on page 28 through Step 6
on page 30 .