TM 9-4110-255-14
Table 4-1. Unit Preventive Maintenance Checks and Services for Model F5000RD - Continued
Location
Item No.
Interval
Procedure
Not Fully Mission Capable If:
Item to
Check/
Service
16
Monthly
a.
Inspect as much of coil as possible, without Evaporator coil is
Coil
disassembly, for any evidence of refrigerant obstructed or evidence of
leak. If evidence of leak is found, notify direct leak is found.
support maintenance to repair or replace it as
necessary.
b.
Inspect coil for obstructions. If coil is
obstructed with dirt or bent fins, remove
cover panel (para 4-15) and clean or
straighten fins as needed.
(1) Clean coil if dirty.
(a) Mix a small quantity of detergent with
water to make a wash solution.
(b) Dip a scrub brush in the wash solution
and clean the fins by carefully brushing
up and down. Continue to dip and
brush as needed to loosen dirt.
(c) Rinse the scrub brush with clean water
and rinse the fins by carefully brushing
up and down. Continue to rinse and
brush as needed to cleanthe coil.
(2) If fins are bent, carefully straighten them
using fin comb.
(3) Install cover panel (para 4-15).
4-21
