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 176 of 343

TM 9-2350-358-BD

7-13.

RELAY, STARTER PROTECTION - CONTINUED

Procedural Steps:

1.

Gain access to the starter protection relay.

2.

Set MASTER power switch to OFF.

3.

Remove connector P3 of wiring harness W105 from starter protection relay socket.

4.

Place insulated electrical wire or jumper from pin B to pin E of connector P3.

5.

Set MASTER power switch to ON.

6.

As soon as engine starts to run, disconnect insulated electrical wire or jumper from pin B to pin E of connector P3.

7.

Return connector P3 to starter protection relay socket.

8.

Record BDAR action taken.

When mission is complete, as soon as practical, repair the equipment/system using

standard maintenance procedures.

7-14.

RELAY, GENERATOR/FUEL PUMPS

General Information:

The generator system and fuel pumps relay provides protection when the oil pressure drops below a predetermined safe

pressure.

7-16