TM 3-4240-286-20&P
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) SEMIANNUAL SCHEDULE
NOTE
Perform these checks and services in the order listed before you perfomn functional testing.
Item To Be
Item
Procedures
Inspected
No.
Inspect outside surfaces for cleanliness.
1
Filter Housing
Wipe or wash off dirt.
Outside Surfaces
Inspect identification and instruction plates. You must be able to read
them. Replace plates if necessary (p 2-77 and 78)
Inspect outside surfaces for rust, chipped paint, or bare metal on painted
surfaces. Repaint or touchup as necesary (p 2-78).
Make sure that all parts are secure and that there is no loose or missing
hardware. Tighten loose hardware. Replace missing hardware.
Special Purpose
Inspect cable assemblies for bare wires, broken insulation, broken or
2
Electrical Cable
damaged connectors. Replace damaged cable assemblies (p 2-92 through
Assemblies
2-106).
Inspect cable assembly for bare wires, broken insulation, broken or
Main Fan Assembly
3
damaged connector. Replace damaged main assembly (p 2-79).
Cable
Inspect valve for damaged and loose mounting hardware. Replace mis-
Airflow Valve
4
sing mounting hardware. Replace damaged airflow valve (p 2-82).
Inspect unit for loose or missing mounting hardware. Tighten loose
Power Distribution
5
hardware. Replace missing hardware.
unit
Inspect for damage or missing electrical covers. Replace power distribu-
tion unit if the covers are damaged or missing (p 2-85).
Gas-Particulate
6
WARNING
Filter
DO NOT throw away damaged or unusable
filters as ordinary trash.
D O turn in damaged or unusable filters
t o your hazardous waste management office
Office (DRMO).
installed, and check for physical or water damage. Reinstall filters or
install new filters.
Change 1
2-2