TM 9-4120-395-14&P
This task covers:
a. Inspection
b. Testing
c. Removal
d. Installation
INITIAL SETUP:
TooIs:
Tool Kit, service, refrigeration unit
Equipment Conditions:
Power off at power source.
Both front door assemblies removed. See para 4-17.
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) Check the two screws (1, Figure 4-28) attaching the fan relay (2) to the control box (3). Tight-
en if required.
(3) Install both front door assemblies. See para 4-17.
b.
Testing.
(1) Check the fan relay (2, Figure 4-29) with a multimeter. The multimeter should show the relay opening and
closing as you manually open and close the contacts.
(3) Install both front door assemblies. See para 4-17,
c.
Removal.
(1) Tag and disconnect all wires to the fan relay (2, Figure 4-29).
(2) Remove the two screws (1) from the fan relay (2) and pull the fan relay out of the control box (3).
d.
Installation.
(1) Install the fan relay (2, Figure 4-28) in the control box (3) with the two screws (1).
(2) Connect the wires as tagged and remove the tags.
(4) Install both front door assemblies. See para 4-17.
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