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 177 of 343

TM 9-2350-358-BD

7-14.

RELAY, GENERATOR/FUEL PUMPS - CONTINUED

Limitations:

Air cleaner blowers will be inoperative causing reduced power output from the engine.

Personnel/Time Required:

•

1 soldier

•

0.5 hour

References:

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

Procedural Steps:

1.

Gain access to the generator system and fuel pump relay and the air cleaner blower motor relay.

2.

Set MASTER power switch to OFF.

NOTE

The air cleaner blower relay and the generator/fuel pump relay are

identical.

To maintain an adequate fuel supply to the engine, the air

cleaner blower relay is substituted for a failed generator/fuel pump

relay.

3.

Remove connector P1 of wiring harness W122 from air cleaner blower relay.

4.

Remove connector P1 of wiring harness W123 from generator/fuel pump relay and connect it to air cleaner blower

relay.

5.

Connect P1 of wiring harness W122 to generator/fuel pump relay for safe storage.

6.

Set MASTER power switch to ON.

7.

Record BDAR action taken.

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

standard maintenance procedures.

7-17