TM 9-4120-407-14
Table 3-2. Unit Preventive Maintenance Checks and Services for Model F36T-MPI - Cont
Location
Not Fully Mission Capable
Item To
Interval
Procedures
Item
if:
Check/Service
No
Evaporator coil is
Evaporator Coil
Annually
30
obstructed.
clean it per the following:
Cont
(1) If necessary, loosen and move
the heater elements to access
the coil.
(2) Mix a small quantity of
detergent
clean water to make a wash
solution.
(3) Dip a scrub brush
the wash solution and clean
the evaporator coil by
carefully brushing up and
down the fins on both sides
to remove any caked on dirt
or deposits.
(4) Rinse the scrub brush with
clean water and carefully
brush up and down the fins
on both sides to rinse the
brush in clean water and
continue until all detergent
residue has been removed.
(5) If the heater elements were
loosened and moved, secure
3-45