Evaporator Fan Motors (B3A and B3B) (Reliance Electric Model) (F60T-2HS Only)

TM 5-4120-393-14

5-5.1. Evaporator Fan Motors (B3A and B3B) (Reliance Electric Model) (F60T-2HS Only)

This task covers:

a. Repair

b. Disassembly

Initial setup.

Tools:

Tool kit, service, refrigeration unit NSN 5180-00-596-1474

Personnel: 1

Materials:

Solder (Appendix E, item 3)

Equipment condition:

1. Turn unit power off at power source. If there is a chance that it will be turned on, also disconnect power cable

to air conditioner.

2. Remove motor. See para 4-56.

General Safety Instructions

WARNING

Disconnect input power to the air conditioner before performing any internal

maintenance. Voltages used can KILL. Shutting the unit off at the control panel

does not disconnect unit power.

NOTE

For testing, removal, and installation see para 4-56.

REPAIR

Intermediate Direct Support Maintenance repair of the evaporator fan motor is limited to the replacement of the electrical

plug, thermostat, and bearings.

DISASSEMBLY

Check to be sure power has been disconnected from air conditioner. Shutting the unit off at the control panel does

not disconnect power to compressor heaters.

To replace connector (1):

Loosen cable clam p (2).

Tag and unsolder leads.

Remove old connector (1).

See wiring diagram (para 4-13) and tag and solder leads to new connector.

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