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 1000 of 1275

TM9-2350-311-20-1

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.

5 Apply adhesive inside hatch cover (13) seal groove.

6 Install new preformed packing (32) in cover (13) groove. Avoid stretching preformed packing.

7 Apply sealing compound to seal ring (hatch opening) (31).

8 Install new cover seal (30) with six screws (29). Ensure a complete seal is made.

9 Install sleeve bearing (28), two flat washers (27), new spring washer (26), and locking cam (25).

10 Install washer (24), new Iockspring (23), woodruff key (22), locking lever (21), adjusting nut (20), and new

cotter pin (19).

11-21

WARNING