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 1005 of 1275

TM 9-2350-311-20-1

11-7 TRANSMISSION ACCESS DOORS — CONTINUED

a. Removal — Continued

Doors are heavy. If hoist and sling are not available, two personnel are required to lift

and move doors. Improper lifting of doors can result in serious injury.

3

Attach hoist and sling to right transmission access door (2) supporting door at 45° angle. Remove two self-

Iocking nuts (7), two flat washers (8), and two screws (9). Repeat for left transmission access door (1). Discard

self-locking nuts.

b. Disassembly

1

Remove self-locking nut (10), screw (11), handle (12), and stud (13) from right transmission access door (2).

Discard self-locking nut.

NOTE

Remove seals only if torn, worn, or deteriorating.

2 Remove seal (14).

3 Remove three screws (15), three flat washers (16), access cover (17), and access cover gasket (18) from left

transmission access door (1). Discard gasket.

4 Remove seal (19).

c. Assembly

Adhesives are toxic and flammable. Apply adhesives only in a well-ventilated area.

Avoid contact with skin, eyes, and clothes, and don’t breath vapors. Do not use near

heat, sparks, or open flame. Read and follow all warnings and instructions on labels of

adhesives. If contact with skin or eyes is made, wash area with water and seek

medical aid immediately.

1 Apply adhesive to seal (14), if removed.

2 Install seal (14) to right transmission access door (2).

3 Install stud (13), handle (12), screw (11), and new self-locking nut (10) to right transmission access door (2).

4 Apply adhesive to seal (19), if removed.

5 Install seal (19) to left transmission access door (1).

11-26

WARNING

WARNING