TM 3-4240-286-20&P
Item
Item To be
Procedure
Inspected
No.
If cover is damaged and considered unsafe for use, replace damaged
Inner Cover
7
Check sleeve to see that it is flush with the bar (p 2-72).
Inspect access cover for damage, missing mounting hardware, or bent
Access Cover
8
parts. Replace cover if it is unsafe for use (p 2-73).
Check torque of securing screws. Torque should be between 180 and 200
9
Airduct Hoses
Inspect airduct hoses for damaged or missing clamps. Replace airduct
Inspect identification and instruction plates. They must be present. You
M12 Protective
10
must be able to read them. Replace plates if necessary (p 2-57).
Entrance
Inspect outside surface for chipped paint or bare metal on painted
surfaces. Repaint or touch up as necessary (p 2-62).
Make sure that all parts are secure, and that there is no loose or missing
hardware. Tighten loose hardware.
Inspect identification and instruction plates. They must be present. You
Valve and Silencer
11
must be able to read them. Replace instruction plate (p 2-91) if neces-
sary.
Inspect valve and silencer for damage and loose mounting hardware.
Check clamps on airduct hose and silencer. Replace missing hardware.
Collective Protection
12
Equipment
Section IV. FUNCTIONAL TESTING
a. Preventive Maintenanace Checks and Ser-
2-6. GENERAL. This section contains instructions
for functional testing the collective protection
before performing functional testing.
equipment for shelter. These tests must be per-
formed following installation of the equipment,
b. Troubleshooting Procedures. Refer to
and semi-annually thereafter.
troubleshooting on page 2-11 for malfunc-
tions and corrections.
2-3