TM 9-4120-388-14
Table 2-1. Operator Preventive Maintenance Checks and Services (Cont.)
Location
Interval
Item
item to
Procedure
Not Fully Mission
No.
Check/
Capable If:
Service
11
After
Fresh Air
Be sure of freedom of operation
Control chain
Damper
broken, missing or
inoperable.
12
Weekly
Protective
NOTE
Grilles,
It is not necessary to perform this procedure the
Guards, and
same week the "Before" procedure was per-
Screens
formed.
Be sure there are no obstructions, damage, loose or
missing hardware.
2-8