TM 9-4120-395-14&P
4-49. OUTDOOR COIL.
This task covers:
a. Inspection
b. Service
INITIAL SETUP:
Tools:
Tool Kit, service, refrigeration unit
Equipment Conditions:
Power off at power source.
Both front door assemblies removed. See para 4-19.
General Safety Instructions:
Disconnect input power to the unit before performing any internal maintenance.
Voltages used can kill. Shutting the unit off at the thermostat does not
disconnect unit power.
a.
Inspection.
(1)
Inspect outdoor coil for proper mounting, cleanliness, and leaks. See Figure 4-45. If coil requires
cleaning, service the coil If the coil mounting is loose or the coil is leaking. contact Direct Support
Maintenance.
(2)
Install both side door assemblies. See para 4-19.
b.
Service.
Compressed air used for cleaning purposes will not exceed 30 psi (2.1 kg/cm2).
Do not direct compressed air against skin. Use goggles or full face shield.
(1)
Blow dust and dirt out of the air passages in the outdoor coil using compressed air or the discharge side of
a portable vacuum cleaner. See Figure 4-45. Blow from front to back In the opposite direction from
operational airflow,
(2)
Install both side door assemblies. See para 4-19.
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