TM 9-4120-399-14
Table 2-1. Operator Preventive Maintenance Checks and Services. - Continued.
M = Monthly
W = Weekly
A = After
D = During
B = Before
Equipment Is Not
Procedure
Item To Be
Item
Ready / Available If:
Check for and have
Inspected
D A W
M
B
No.
repaired or adjusted
as necessary.
Filter is missing.
Check that filter
Fresh Air
5
is in place.
Ventilation Filter
Filter is clogged
Check that filter
or dirty.
is not clogged or
dirty.
Louvers are obstruct-
Check that louvers
Intake (Return Air)
6
ed or loose. Hardware
are not obstructed
Guard and Condi-
is missing.
or loose. Check for
tioned Air
missing hardware.
Discharge Guard
Adjust louvers for
proper direction air
flow.
Filter is missing.
Check that filter
Filter, Air
7
is in place.
Conditioning
Filter is clogged
Inspect for clogged
or dirty.
or dirty filter.
Section III. OPERATION UNDER USUAL CONDITIONS
2-5. ASSEMBLY AND PREPARATION FOR USE.
Services of unit
maintenance should be
employed for original unpacking, assembly installation, and preparation for use. See paragraph
2-6. INITIAL ADJUSTMENTS AND CHECKS.
a. Inspect all covers, panels, and screens for loose mounting, obstructions, or shipping
damage. Report any deficiencies to unit maintenance.
b. Perform the preventative maintenance checks and services listed in Table 2-1.