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 186 of 1275

TM9-2350-311-20-1

3-3 TROUBLESHOOTING CHART — CONTINUED

f.

TRANSMISSION AND DRIVING CONTROLS —

(2) VEHICLE DOES NOT DRIVE; TRANSMISSION

CONTINUED

DOES NOT OPERATE IN ANY SHIFT POSITION

Tools

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

Gage (item 23, Appx H)

References

TM 9-2350-311-10

Equipment Conditions

Engine compartment access door open

(TM 9-2350-311-10)

WARNING

Vehicle has no brakes when final drives are

disconnected. Failure to securely block vehicle could

injure personnel or damage vehicle equipment if vehicle

rolls out of control.

WARNING

Transmission contains hot oil under high pressure. Stop

engine before removing or installing pipe plugs and gage

adapters in pressure test points. Install pipe plug as soon

as gage adapter is removed. Remove only pipe plug at

test point. Failure to comply with these precautions may

result in personnel injury or equipment damage.

Check transmission oil level

(TM 9-2350-311-10).

I Is transmission oil at proper level?

CONTINUED ON NEXT PAGE

3-86

INITIAL SETUP