SECTION III: PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
TM 9-2350-256-20
Location
Item To
Not Fully
Item
Check/
Mission
No.
Interval
Service
Procedure
Capable If:
NOTE
A cylinder must be recharged or replaced if its
weight loss exceeds 10 percent of difference
between full and empty weight marked on
cylinder.
S
b. Inspect the fire extinguisher data plate to insure that
hydrostatic tests have been performed on each cylinder
in the past five years.
S
c. Clean cylinder discharge nozzles of foreign matter.
S
d. Before replacing fixed fire extinguisher cylinders,
Cable binds,
operate remote control discharge handles to make sure
or will not
that cables do not bind, and that they control discharge
operate
function properly.
smoothly
S
e. Seal remote control handles before checking system.
S
f. Ensure fire extinguisher interlock switch assembly is
operating properly by pulling out safety pin and letting
cover plate swing down. A clicking sound should be
heard.
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