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10
Lid Adjust
Lid adjustment is only required when either infills have changed, new infills have been
fitted, or when a new test pressure has been set.
To Adjust the Lid:
1.
While in
Run Mode
, touch the
program name
at the top of the QMR’s screen. This
will take you to the program selection screen.
2.
Select
Lid adjust program (126)
.
3.
Select the
Details Icon
to view the test. See Figure 10.
4.
Undo large clamping nut on top of chamber (see Figure 11), then turn the center
screw counter-clockwise about 20 turns or until the stop on the screw is reached.
5.
Press
Start
on QMR, and allow chamber to evacuate to its normal test pressure.
6.
Turn the center screw clockwise until displayed force starts to increase. Stop turning
when the force sensor has increased to approximately 50 grams +/- 10grams.
7.
Retighten clamping nut. Lid adjust is complete.
Figure 11: Large Clamping Nut
Figure 10: Run Mode –Testing