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12. Do an inspection of the inlet and outlet ports for obstructions or contamination. Remove
obstructions or contamination with cotton swabs and isopropyl alcohol.
13. Install the tubing and a new tie wrap.
14. Do a pressure/leak test. Refer to
Figure 17 Clean the IR cell
1 Sapphire window
2 IR mirror assembly
Pressure/leak test
Electrocution hazard. Remove all power from the instrument and relay connections before this
maintenance task is started.
If relay contacts are connected to AC line voltage, remove the main power to the analyzer before the top
enclosure door is opened.
Do a pressure/leak test to make sure that the O-rings are correctly installed and have sealed the IR
cell assembly.
Pressure/leak test
on page 33.
3 O-ring (between IR bench and mirror assemblies)
4 IR bench assembly
D A N G E R
C A U T I O N
English 33
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