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 218 of 1275

TM 9-2350-311-20-1

3-3 TROUBLESHOOTING CHART — CONTINUED

h. FLAME HEATER CIRCUIT (ENGINE MODEL

FLAME HEATER DOES NOT OPERATE — CONTINUED

7083-7396) — CONTINUED

Repair or replace lead 10 of driver’s

instrument panel wiring harness (para

8-51).

Replace circuit breaker (para 8-33,

M109A2/M109A3; para 8-34, M109A4/

M109A5).

Troubleshoot master relay circuit

(para 3-3b).

END OF TASK

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