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 1067 of 1275

TM 9-2350-311-20-1

12-1 AIR PURIFIER — CONTINUED

c. Disassembly — Continued

CAUTION

Do not allow moisture to come into contact with filter material.

NOTE

If filters are to be reused, mark arrow on side showing direction of airflow.

3 Tilt housing (17) and remove gas filter (18) and particulate filter (19).

4 Remove spring clip (20).

d. Assembly

NOTE

Ensure filter rests against bulkhead inside housing.

1 Install spring clip (20).

2 Install particulate filter (19) in housing (17) so air will flow through it in direction marked on housing.

NOTE

Ensure felt gasket side of gas filter is toward manifold assembly end of purifier.

3 Install gas filter (18) in housing (17) so it rests on gasket of particulate filter (19) surface.

4 Install air purifier manifold (4), four new Iockwashers (11 ), and four screws (9).

5 Install four airflow caps (5).

12-6