TM 9-4120-404-14
Table 2-1. Operator Preventive Maintenance Checks and Services.
Location
Item
Interval
Item To
Procedure
Not Fully Mission
No.
Check/Service.
Capable If:
16
Weekly
Ventilation
Check that guard is
Guard
not obstructed, dam-
aged or loose. Check
for missing hardware.
Clean debris from
guard.
17
Weekly
Ventilation
Check that filter
Air Filter
is not clogged or
dirty.
18
Weekly
Filter, Air
Inspect for clogged
Filter is clogged.
Conditioning
or dirty filter.
19
Weekly
Check for loose or
Guard
missing mounting
hardware.
20
Weekly
Information Plates
Check for missing
mounting hardware.
21
Weekly
Metal Covers
Check for loose or
missing mounting
hardware.
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