TM9-4120-401-14
4-49.
(2) Check fins for dents, bent edges, or any condition that would block or distort air flow. Straighten all
damaged fins.
(3) Should a leak or major damage be evident notify your supervisor.
Injury to personnel can result if compressed air used for cleaning purposes
exceeds 30 psi (2.1 kg/cm2).
When using compressed air, wear safety glasses or goggles. Dirt can be blown
into your eyes.
Equipment damage can result if steam is used to clean coil.
b. Service.
Clean coil (1) with a soft bristled scrub brush and compressed air at 30 psi (2.1 kg/cm2) or less. Blow dirt
from the inside of the coil out. Take care to avoid fin damage.
NOTE
FOLLOW-ON MAINTENANCE:
4-120