Despatch 926E Equipment Manual (C-155)Rev 2/11 - Manual (Page 42)

37
CO
2
Filter
The CO
2
filter should be cleaned every 30 days or 240 hours of operation, whichever
occurs first. See Figure 2 in this manual. Clean the CO
2
filter as follows.
1.
To remove the filter, unscrew the hollow Allen head screw from the test chamber
bulkhead fitting and slide the filter out from the fitting.
2.
Wash filter in trichloroethylene.
3.
Dry filter thoroughly with filtered,
dry, compressed air at low pressure.
4.
Reinstall filter in CO
2
bulkhead fitting.
WARNING: WARNING: Use trichloroethylene only in a
well-ventilated area. Avoid inhaling fumes
and excessive contact with the skin.