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TM 9-4120-389-14
a. Inspection of installed coil.
(1) Check for accumulated dirt.
(2) Clean if an accumulation of dirt is evident.
WARNING
When using compressed air wear safety goggles. Dirt can be blown in eyes.
CAUTION
Compressed air used for cleaning purposes will not exceed 30 psi (2.1 kb/cm2).
CAUTION
Do not steam clean coil. Damage to coil may occur, take care to avoid fin damage.
b. Cleaning. Clean coil with a soft bristle brush or use compressed air at 30 psi or l
ess from the inside of
the unit to blow the dirt out.
c. Repair/Replacement. Should a leak or major damage be evident, contact your supervisor and Direct
Support Maintenance.
Follow-on procedure: 1. Install top cover (para. 4-14).
4-177
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