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TM 9-4120-389-14
Table 2-1. Operator Preventive Maintenance Checks and Services (Cont).
B-Before
D-During
A-After
W-Weekly
M-Monthly
Item
Item To Be Inspected
Equipment Is Not
No.
B
D
A
W
M
Procedure
Ready/Available
6
Ventilation Air Filter
Check that filter is in
If filter is missing.
place.
Check that filter is not
Filter is dirty or
clogged or dirty.
clogged.
2-11
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