TM 5-5420-202-20-4
FIXED FIRE EXTINGUISHER CYLINDER REPLACEMENT' (Sheet 2 of 4)
INSPECTION:
CAUTION
Anytime CO2 cylinders are not fully
installed, install protective caps to cover
the exposed ports. Use protective caps
stowed on dummy plugs on the neck of
cylinder.
1. If protective cap (A) or diffuser cap (B) is lost or
damaged, replace (see Repair procedure.)
2. Weigh removed cylinder(s). A cylinder must he
recharged if its weight loss exceeds
10% of the difference between the full and empty
weight marked on the cylinder. Replace cylinder if
hydrostatic test date (stamped on neck) has exceeded
five years.
3. To recharge and pressure test cylinders. report to
support maintenance.
4. Inspect cylinder for plastic safety release indicator
(C). If damaged or missing, install new indicator (C).
5. Remove any remaining pieces of damaged indicator
(C), safety wire lead seal (D), etc.
Go on to Sheet 3