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 589 of 1275

TM9-2350-311-20-1

6-12 AIR CLEANER — CONTINUED

NOTE

FOLLOW-ON MAINTENANCE:

Install air inlet ducts and hoses (para 6-14)

Install fuze packs if removed (TM 9-2350-311-1 O)

6-13 AIR CLEANER FILTER

This task covers:

a. Removal

b. Installation

. .

Equipment Conditions

M63 rack removed if present (TM 9-2350-311-1 O)

Ammo pack removed from brackets if present

155mm projectiles removed (TM 9-2350-311-1 O)

(TM 9-2350-311 -10)

Ammunition rack removed (para 13-2)

a. Removal

If NBC exposure is suspected, all air filter media must be handled by personnel

wearing full NBC-protective equipment (FM 21-1 1).

1 Pull down on locking latch (1), open door (2) slightly, and lift off hinge (3) and door.

2 Pull downward on filter pack locking lever (4) to release filter pack (5).

3 Pull on filter pack removal handle (6) to remove filter pack (5) from air cleaner boxes (7).

b. Installation

If NBC exposure is suspected, all air filter media must be handled by personnel

wearing full NBC-protective equipment (FM 21-11).

1 Install filter pack (5) into air cleaner box (7).

2 Push filter pack locking lever (4) up to lock filter pack (5) in place.

3 Install door (2) on hinge (3), close door (2), and push upon locking latch (1) to secure door.

6-34

INITIAL SETUP

WARNING