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 971 of 1275

TM 9-2350-311 -20-1

10-22 FINAL DRIVE ASSEMBLIES —

CONTINUED

a. Removal — Continued

Oil is hazardous waste and must be disposed of in accordance with local procedures

or direction of the local Hazardous Waste Management office.

4 Remove drain plug (6) and drain oil from final drive assembly (7).

5 Remove two screws (8) and two Iockwashers (9). Discard Iockwashers.

6 Install two guide pins in screw holes.

7 Remove six screws (10) and six Iockwashers(11 ). Leave top screw (12) and Iockwasher (13) in place. Discard

Iockwashers.

8 Remove five screws (14), five Iockwashers (15), five flat washers (1 6), and five nuts (17). Discard Iockwashers.

9 Remove cap screw (18) at top of housing and install lifting eye bolt.

10 Attach lifting sling to eye bolt and to hoist.

11 Remove top screw (12) and Iockwasher (13). Discard Iockwasher.

12 Slide final drive assembly (7) away from vehicle.

13 Remove two guide pins.

10-54

WARNIN G