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 431 of 1275

TM9-2350-311-20-1

CONTINUED FROM STEP G

,

H

1. Reconnect lead 76 of fuel pump circuit

breaker lead assembly to “Y” connector.

2. Disconnect lead 76 from circuit breaker

input.

3. Place red lead of multimeter in lead 76

and black lead to ground.

4. Turn MASTER switch ON and check for

voltage.

5. Turn MASTER switch OFF.

Is voltage present?

I

I

1

Repair or replace lead 76 of fuel I

pump circuit breaker lead assembly

(para 8-74).

I

I

I

1. Reconnect lead 76 of fuel pump circuit

breaker lead assembly to circuit breaker

input.

2. Disconnect lead 76 of fuel pump circuit

breaker lead assembly from circuit breaker

output.

3. Place red lead of multimeter on circuit

breaker output and black lead to ground.

4. Turn MASTER switch ON and check for

voltage.

5. Turn MASTER switch OFF.

Is voltage present?

I

I

I Replace circuit breaker (para 8-33,

n

I

I

I M109A2/M109A3; 8-34, M109A4/ I

I

I M109A5).

I

CONTINUED ON NEXT PAGE

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