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 164 of 1275

TM9-2350-311-20-1

3-3 TROUBLESHOOTING CHART — CONTINUED

e. ENGINE—CONTINUED

(2) ENGINE DOES NOT ACCELERATE PROPERLY OR

DOES NOT DEVELOP FULL POWER — CONTINUED

CONTINUED FROM STEP D

Check primary and secondary fuel filters for

restricted filter elements (para 6-6 and 6-7).

Are primary and secondary filter elements free of

restrictions?

Replace primary and/or secondary fuel

filter elements (pare 6-6 and 6-7).

I

Replace engine-driven fuel pump

(para 6-8).

I

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