TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

TM-9-2350-311-20-1 - Page 151 of 1275

TM9-2350-311-20-1

CONTINUED FROM STEP E

T

1. Remove powerplant (para 4-5).

2. Connect special equipment for operation of

powerplant out of vehicle (para 4-5).

3. Place red lead of multimeter on lead 14B

at starter solenoid and black lead to ground.

4. Turn MASTER switch ON, push STARTER

switch, and check for voltage.

5. Turn MASTER switch OFF.

Is voltage present?

Repair or replace lead 14B of

powerplant wiring harness (para

8-44).

1. Place red lead of multimeter on lead 6A at

I

starter solenoid and black lead on ground

(lead 5A).

2. Turn MASTER switch ON and check for

voltage.

3. Turn MASTER switch OFF.

I

Is voltage present?

I

Replace starter motor (para 8-14).

I

I

I

I

I

(para 8-84).

Repair or replace leads 5A and 6A of

starter-to-engine electrical disconnect

END OF TASK

3-51