TM-9-2350-358-BD

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A6

TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT SUPPORT MAINTENANCE

MARCH 1994

TM-9-2350-358-BD - Page 171 of 343

TM 9-2350-358-BD

7-10.

SWITCH, MASTER

General Information:

MASTER power switch removes electrical power from all circuits when open.

Limitations:

•

Slave position of switch will not be spring-loaded, therefore not momentary.

•

Fuel gage will be inoperative.

Personnel/Time Required:

•

1 soldier

•

0.5 hour

Materials/Tools:

Tape, insulation electrical (item 63, Appendix C)

References:

TM 9-2350-314-20-1-2

Procedural Steps:

NOTE

In the following procedure, tag wires as necessary to aid in

reconnection.

1.

Gain access to MASTER power switch.

2.

Remove wires 459, 459A and 459B from MASTER power switch.

3.

Remove inoperative MASTER power switch from drivers portable instrument panel.

7-11