TM-9-2350-274-BD

M109/M110/M578 VEHICLES HOWITZER, MEDIUM, SELF-PROPELLED FULL-TRACKED

TECHNICAL MANUAL; OPERATORS, ORGANIZATIONAL DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

JANUARY 1984

TM-9-2350-274-BD - Page 102 of 219

TM 9-2350-274-BD

ELECTRICAL SYSTEM

Procedural Steps:

1. Gain access to Ieft side of transmission compartment; locate starter relay and bilge

pump relay.

2. Remove connectors from starter and bilge pump relays.

3. Connect the starter relay connector to the bilge pump relay. Start engine.

4. If bilge pump is not needed at present time, starter cable may be left on bilge pump

relay.

Record the BDAR action taken. When mission is completed, as soon as practicable,

repair vehicle using standard maintenance procedures.

6-10. STARTER FAILURE, SUBSTITUTION

General Information

Starter motor seized or defective. Solenoid will not engage. Starter motors from the

M107, M108 Howitzers, and M809 Series 5-ton truck with a Cummings engine may be

substituted, ensure the starter motor has an 11-tooth drive gear.

Limitations:

●

Reduced starter life if 5 ton starter is used.

Personnel/Time Required:

●

1 soldier

●

5 minutes to 2 hours

6-10