Heater Elements (HR1 thru HR6)

TM 5-4120-393-14

4-58. Heater Elements (HR1 thru HR6)

This task covers:

a. Removal

c. Installation

b. Inspection/Testing

Initial setup.

Tools:

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

Personnel: 1

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 mist eliminator. See para 4-32.

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.

REMOVAL

Tag and disconnect the leads from the heater that is being removed.

Using screwdriver, loosen the two captive fasteners in the retainer channel (1).

Pull heater element (2) free of lower mounting clip (3) and remove heating element.

4-133