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 867 of 1275

9-6 BREATHER, BREATHER TUBE, AND MOUNT — CONTINUED

a. Removal—Continued

Dry-cleaning solvent (P-D-680) is toxic and flammable. Wear protective goggles and

gloves and use only in a well-ventilated area. Avoid contact with skin, eyes, and

clothes, and don’t breathe vapors. Do not use near open flame or excessive heat. The

flashpoint for type #1 is 100°F (38°C), and for type #2 is 138°F (59°C). If you become

dizzy while using dry-cleaning solvent, get fresh air immediately and get medical aid.

If contact with eyes is made, wash your eyes with water and get medical aid

immediately.

4 Clean breather tube (8) using dry-cleaning solvent.

5 Remove breather elbow (3).

6 Remove two screws (4), two Iockwashers (5), two flat washers (6), and mount (7). Discard Iockwashers.

Installation

1 Install mount (7), two flat washers (6), two new Iockwashers (5), and two screws (4); do not tighten screws.

2 Install breather elbow (3).

3 Install two sleeves (9) and breather tube (8). Tighten two tube nuts (2).

4 Tighten two screws (4), two Iockwashers (5), and two flat washers (6) on mount (7).

5

Install breather (1).

9-12

TM9-2350-311-20-1

WARNING