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 TM 55-1905-223-10
Table 2-2. Operator/Crew Preventive Maintenance Checks and Service - CONT
B - Before
D - During
A - After
W - Weekly
M - Monthly
INTERVAL
PROCEDURES
EQUIPMENT IS
ITEM
ITEM TO BE
CHECK FOR AND HAVE REPAIRED
NOT READY/
NO
B
DA W M
INSPECTED
OR ADJUST AS NECESSARY
AVAILABLE IF:
6
Fire Station and
Check hose connection at Fire
Hoses are
Foam Station -
Station Isolation valve for
defective or
continued
tightness.
connections
will not attach
properly.
7
Portable
Inspect for tight mounting,
Extinguisher is
l
l
Fire Extin-
full charge, corroded nozzles,
damaged or seal
guisher
and closed valves with
is broken.
untampered seals. Direct
particular attention to
extinguisher lines and nozzles
in the engine room, checking
for damage.
8
Doors,
Inspect for proper installation,
Watertight
l
l
Hatches/Covers -
missing/defective fasteners, also
integrity or
Scuttles
check gasket for proper seal
operation
capability
is impaired.
9
Intercom
l Exterior
l
Visually Inspect exterior for
damage or dirt build-up. Clean
using a soft cloth.
l Hardware
Inspect mounting hardware for
l
tightness. Tighten as
necessary.
l Rotary
Check mechanical operation of
Damaged or
l
switches
each rotary switch. Repeat any
defective
work parts or incorrectly
parts.
operating parts
l Unit
Check the two-way voice
l
performance
capability of the master
station. Select other stations
on the system and conduct a
two-way conversation.
a. Transmissions and receptions
l
l
should be clear,
undistorted, and easily
understood.
Change 4
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