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 155 of 1275

TM9-2350-311-20-1

(3) ENGINE CRANKS FOR SHORT TIME ONLY;

BATTERY POWER LEVEL IS CORRECT

INITIAL SETU P

Applicable Configurations

.

.

M109A4/M109A5

Personnel Required

.

Two

Tools

Equipment Conditions

. .

General mechanic’s tool kit (item 64, Appx H)

Transmission left access door open (TM 9-2350-311-1 0)

Multimeter (item 36, Appx H)

Battery access doors open (TM 9-2350-31 1-10)

TA-1 probe kit (item 43, AppX H)

Portable instrument panel cover removed (para 8-17)

(Long test leads may be needed for some tests;

16 AWG wire maybe used as an extension.)

2.

3.

Disconnect driver’s bulkhead-to-master

relay wiring harness from starter protection

relay and inline connector-to-powerplant

wiring harness.

Place red lead of multimeter in socket C

(lead 503) and black lead on lead 503

connector.

Check for continuity.

I

Is continuity present?

Repair or replace lead 503 of driver's

bulkhead-to-master relay wiring

harness (para 8-46).

I

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