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 170 of 1275

TM9-2350-311-20-1

3-3 TROUBLESHOOTING CHART — CONTINUED

e. ENGINE — CONTINUED

CONTINUED FROM STEP C

E

1. Remove engine-driven fuel pump (para 6-8).

. 2. Check housing and shaft seal for cracks and

leaks.

Is the fuel pump serviceable?

Notify support maintenance.

Replace engine-driven fuel pump

(para 6-8) and check engine oil for

contamination (TM 9-2350-311-10).

(4) ENGINE USES EXCESSIVE FUEL – CONTINUED

END OF TASK

3-7 0