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 166 of 1275

TM9-2350-311-20-1

3-3 TROUBLESHOOTING CHART — CONTINUED

e. ENGINE — CONTINUED

(3) ENGINE DOES NOT MAINTAIN STEADY RPM

Tools

General mechanic’s tool kit (item 64, Appx H)

References

TM 9-2350-311-10

Equipment Conditions

Engine compartment access door open

(TM 9-2350-311-10)

WARNING

Do not smoke or use open flame when working on

fuel system. An explosion may occur, causing severe

injury or death.

I

Ensure that the engine coolant is at operating

A

temperature (170°F) (77°C)

(TM 9-2350-311-10).

Is engine coolant at operating temperature?

Notify support maintenance.

CONTINUED ON NEXT PAGE

3-66

INITIAL SETUP