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 299 of 1275

TM 2350-311-20-1

CONTINUED FROM STEP D

E

1. Reconnect bulkhead-to-engine bracket

wiring harness to engine disconnect bracket.

2. Disconnect lead 352B from aeration

detector.

3. Place a jumper wire from lead 352B to

ground.

4. Turn MASTER switch ON and press

COOLANT indicator light.

5. Turn MASTER switch OFF.

Does COOLANT indicator light operate?

I

Repair or replace lead 352B of

powerplant wiring harness (para

8-43, M109AZM109A4; 8-44,

M109A4/M10A5).

Replace aeration detector (para 8-16).

END OF TASK

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