HEATER FAN SWITCH REMOVAL/INSTALLATION.

TM 9-2320-279-20-1

Electrical System Maintenance Instructions (Cont)

7-42. HEATER FAN SWITCH REMOVAL/INSTALLATION.

This task covers:

c. Follow-on Maintenance

a. Removal

b. Installation

INITIAL SETUP

References

Models

None

All

Equipment Condition

Test Equipment

None

Condition Description

TM or Para

Batteries disconnected.

Para 7-91

Special Tools

Heater compartment cover

Para 16-11

None

removed.

Supplies

Special Environmental Conditions

Tags, identification, Item 48, Appendix C

None

Personnel Required

General Safety Instructions

MOS 63S, Heavy wheel vehicle mechanic

None

a. Removal.

(1) Remove four screws (1).

(2) Remove jamnut (2) and

heater fan switch (3) from

back of heater control

panel (4).

NOTE

Tag and mark wires before

disconnecting.

(3) Disconnect wires (5) from

heater fan switch (3).

b. Installation.

(1) Connect wires (5) to heater

fan switch (3).

(2) Install heater fan switch (3)

and jamnut (2) in heater

control panel (4).

(3) Install four screws (1).

c. Follow-on Maintenance.

(1) Connect batteries

(para 7-91).

(2) Check operation of heater fan switch (TM 9-2320-279-10).

(3) Install heater compartment cover (para 16-11).

END OF TASK

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