Serinus 44 User Manual 3.0
Page 118
Figure 57 – NH3 Scrubber
6.3.5
Leak Check
Equipment Required
Source of Vacuum (pump)
Leak Test Jig (PN: H050069)
Kynar ¼” Blocker Nuts
Tubing and Assorted Fittings
5/8” Spanner
9/16” Spanner
Procedure
Note:
Ensure that the instrument has been running for at least one hour before this procedure is
performed.
1.
Disconnect all external tubing connected to the rear ports of the instrument except for the
AUX
in Port
and
AUX Out Port
(for the external converter).
2.
Connect a leak check jig to the Exhaust Port of the instrument.
3.
Connect a vacuum source to the shut off valve end of the leak test jig ensuring the shut off valve
is in the open position.
4.
Open -
Main Menu
Service Menu
.
5.
Select -
Ozone Gen. Control
Off
.
6.
Allow the instrument two minutes to purge the O3 from the pneumatic system.
7.
Open -
Main Menu
Service Menu
Diagnostics Menu
Valve Menu
.
8.
Disable -
Valve Sequencing
Disabled
.
9.
Turn
Off
all the valves except the
Sample/Cal
valve.
10.
Block the
BGnd Air Port
.
11.
Allow the instrument time to evacuate the pneumatic system (the time required will depend on
the vacuum source used).
12.
Close the shut off valve and record the vacuum. Wait for three minutes and observe the gauge on
the leak check jig. It should not drop more than 5 kpa (37.5 torr). If the leak check passed skip to
step 15.
Summary of Contents for Serinus 44
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Page 137: ...Troubleshooting Page 137 7 6 USB Memory Stick Failure Figure 71 USB Memory Stick Failure...
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Page 150: ...Serinus 44 User Manual 3 0 Page 150 9 5 Plumbing Schematic D020018...
Page 151: ...Parts List and Schematics Page 151 9 6 Block Wiring Schematic D020104...
Page 152: ...Serinus 44 User Manual 3 0 Page 152 9 7 Ozone Generator Assembly H011107...
Page 153: ...Parts List and Schematics Page 153 9 8 Optical Bench Assembly H011200...
Page 154: ...Serinus 44 User Manual 3 0 Page 154 9 9 Manifold Block Assembly H011302...
Page 155: ...Parts List and Schematics Page 155 9 10 Calibration Manifold Assembly H010013 01...
Page 156: ...Serinus 44 User Manual 3 0 Page 156 9 11 Valve Assembly H010042...
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