TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
Page 646 of 828
TM 9–2350–311–20–2 17–8 17–3 M2A2 AIR PURIFIER AND BRACKET This task covers: a. Removal b. Disassembly c. Cleaning d. Inspection e. Assembly f. Installation INITIAL SETUP Applicable Configuration M109A4/M109A5 howitzers Tools Artillery and turret mechanic’s tool kit (SC 5180–95–CL–A12) Materials/Parts Cloth (item 10, Appx D) Lockwasher (item 55, Appx G) Lockwashers (4) (item 77, Appx G) Lockwashers (4) (item 79, Appx G) References AR 70–38 FM 3–3 FM 3–4 TM 10–277 Equipment Condition CAB POWER switch to OFF (TM 9–2350–311–10) Vehicle MASTER switch to OFF (TM 9–2350–311–10) CAB NBC POWER switch to OFF (TM 9–2350–311–10) a. Removal 1 Disconnect four hoses (1) from four air outlets (2). 2 Remove cap screw (3), lockwasher (4), and one end of ground lead (5) from M27 periscope box (6). Discard lockwasher. 3 Remove machine screw (7) and lockwasher (8) that secure the other end of ground lead (5) from top of M2A2 air purifier (9). Discard lockwasher. 4 Unplug NBC power lead assembly (10) from side of M2A2 air purifier (9). 5 Release strap (11) and lift out M2A2 air purifier (9). 6 Remove four cap screws (12) and four lockwashers (13) to remove angle bracket (14) from right front cab wall. Discard lockwashers.