TM 9-4120-388-14
4-65. CONDENSER COIL CLEANING.
b. Cleaning
This task consists of:
a. Inspection of installed coil
c. Repair/Replacement
lNITIAL SET-UP:
Equipment Condition
Junction box removed (4-46).
a. Inspection of installed coil
(1) Be sure power is disconnected.
(2) Check for accumulated dirt. Clean if an accumulation of dirt is evident.
(3) Check fins for dents, bent edges, or any condition that would block or distort air flow. Straighten all damaged
fins with a plastic fin comb.
Death or serious injury could occur if compressed air is directed against the
skin. Do not use compressed air for cleaning or drying unless the pressure is/
has been reduced to 30 psi (21.1 kg/mm2 or less. When working with com-
pressed air always use chip guards eye protection and other personal protec-
tive equipment.
Do not use steam to clean coil.
b. Cleaning. Clean coil with a soft bristle brush, vacuum cleaner and brush attachment, or use compressed air
at 30 psi or less from the inside of the unit to blow the dirt out. Take care to avoid fin damage. When using com-
pressed air, wear safety glasses or goggles. Dirt can be blown into your eyes.
Repair/Replacement. Should a leak or major damage be evident, notify your supervisor.
c.