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 317 of 1275

TM 9-2350-311 -20-1

CONTINUED FROM STEP H

I

I

1. Reconnect bulkhead-to-headlights/bilge

pump wiring harness from drivers bulkhead.

2. Disconnect engine disconnect bracket-to-

bulkhead wiring harness from engine

disconnect bracket.

3. Turn MASTER switch ON and check

TRANSMISSION OIL PRESSURE gage for

a reading.

4. If TRANSMISSION OIL PRESURE gage

shows a maximum reading place a jumper

wire from socket M (lead 321) to ground.

5. Check gage for reading.

6. Turn MASTER switch OFF.

Does TRANSMISSION OIL PRESSURE gage show

minimum when grounded and maximum when not

grounded?

Repair or replace lead 321 of engine

disconnect bracket-to-bulkhead wrong

harness (para 8-45, M109A2/M109A3:

8-48, M109A4/M109A5).

I

Repair or replace lead 321 of powerplant

wiring harness (para 8-43, M109A2/

M109A3; 8-44, M109A4/M109A5).

END OF TASK

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