June 28, 2016, 715003956 Rev. C
Page 90
Figure D–8: Internal, source exhaust valve—front configuration
D.6.2 Disconnecting the internal, source exhaust valve
When moving the QDa Detector, you must disconnect the source exhaust valve tubing. Perform
the following procedure to disconnect the tubing.
Note: On Standard QDa Detectors, ensure that you disconnect the 6-mm O.D. tube from the
diaphragm pump’s 6-mm elbow to the 2.5-L bottle-stopper assembly (shown in the figure on
page 96).
Required materials:
• Chemical-resistant, powder-free gloves
To disconnect the internal, source exhaust valve tubing:
Requirement: Wear clean, chemical-resistant, powder-free gloves when disconnecting the
source exhaust valve assembly.
PTFE source exhaust tube and elbow connector
(ensure a downward gradient)
Source exhaust tube
elbow connector
Exhaust trap bottle
Waste liquid drain port
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