TM 9-4120-407-14
Table 3-2. Unit Preventive Maintenance Checks and Services for Model F36T-MPI - Cont
Location
Not Fully Mission Capable
Procedures
Item To
Interval
Item
if:
Check/Service
No
Check grilles (1) for any damage
Grilles
6
Annually
such as bent or missing
louvers and cracked or bent
frame. If damaged beyond
repair, replace them per
Grilles are obstructed.
If grilles (1) are dirty, clean
them per the following:
(1) Remove the grilles per
(2) Mix a small quantity of
detergent
clean water to make a wash
solution.
(3) Dampen a rag
wash solution and clean the
grilles. Carefully use a scrub
to remove any caked on dirt
or deposits.
(4) Dampen a rag with clean
water and rinse the grilles.
Rinse rag in clean water and
continue until all detergent
residue has been removed.
(5) Wipe the grilles with a
clean dry rag until they are
thoroughly dry.
(6) Install the grilles per
3-24