TM 9-4120-407-14
Table 3-2. Unit Preventive Maintenance Checks and Services for Model F36T-MPI - Cont
Location
Interval
Item To
Procedures
Not Fully Mission Capable
Item
Check/Service
if:
No
If air filters (1) are dirty, clean
Air Filters
Air filters are obstructed.
Quarterly
them per the following:
(1) Mix a small quantity of
detergent
clean water in a container or
sink large enough to lay the
filter flat. Be sure the wash
solution is deep enough to
completely cover the filters.
(2) Immerse the filters in the
wash solution and agitate by
moving them up and down.
If necessary, carefully use a
scrub brush
remove any caked on dirt or
deposits.
(3) Empty the container or sink
and fill with enough clean
water to completely cover
the filters. Immerse the
filters in the water and
agitate by moving them up
and down. Repeat as
necessary until all detergent
residue has been removed.
(4) Shake excess water from
filters and let stand until
they are thoroughly dry.
Check each air filter (1) for any
damage such as crushed
filter media or bent frame.
If damaged, replace it.
3-16