Refer to TM 11-291 and TM
11-5820-401-10-1, supplied with com-
munications equipment, for detailed
FIXED FIRE EXTINGUISHER SYSTEM
1 Check lead seals on handles (1 and 2) to
make sure they have not been broken.
2 Remove eight screws (3) and washers (4)
securing right access cover (5). Remove
access cover (5) and gasket (6). Repeat
procedure and remove left access cover.
3 Keep a log to be sure extinguishers have
been weighed and inspected within 90
4 If extinguishers have not been weighed or
if system has been discharged, notify unit
5 Replace access covers (5) and gaskets (6)
and secure each with eight screws (3) and
GAS-PARTICULATE FILTER UNIT
For maintenance instructions on M25/M25Al
Protective Mask, use TM 3-4240-280-10.