TM 9-4120-402-14
4-48. CONDENSER COIL CLEANING.
This task covers:
a. Clean
b. Inspect
INITIAL SETUP
Tools
Equipment Conditions:
Refrigeration Unit Service Tool Kit
CAUTION
Appendix B, item 1
Scrub Brush
Use disconnect switch (NOT POWER
Appendix B, item 2
CABLE) to disconnect power to unit.
Damage to cable connector pins will
Safety Glasses
result if cable is used.
Appendix B, item 2
Disconnect power at power source.
Remove condenser coil guard (para 4-17).
Remove electromagnetic interference fietr (para 4-32).
l
Remove control assembly (para 4-34).
WARNING
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.
CAUTION
Equipment damage can result if steam is used to clean coil.
a. Clean.
Clean coil with a soft scrub 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.
Figure 4-49. Condenser Coil
4-140
