TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
Page 470 of 828
TM 9–2350–311–20–2 8–46 Change 2 8–10 NBC GROUND LEAD This task covers: a. Removal b. Disassembly/Assembly c. Testing d. Installation INITIAL SETUP Applicable Configuration M109A4/M109A5 howitzers Test Equipment Multimeter (item 6, Appx H) Tools Artillery and turret mechanic’s tool kit (SC 5180–95–CL–A12) Materials/Parts Lockwasher (item 55, Appx G) Lockwasher (item 77, Appx G) Equipment Condition Disconnect batteries (TM 9–2350–311–20–1) a. Removal 1 Remove cap screw (1), lockwasher (2), and one end of lead (3) from M27 periscope box (4). Discard lock- washer. 2 Remove cap screw (5), lockwasher (6), and other end of lead (3) from top of M2A2 air purifier (7). Discard lockwasher. b. Disassembly/Assembly See repair procedures for terminals (para 8–1). c. Testing Using multimeter, test NBC ground lead for continuity. d. Installation 1 Secure lead (3) to M27 periscope box (4) using new lockwasher (2) and cap screw (1). 2 Secure lead (3) to M2A2 air purifier (7) using new lockwasher (6) and cap screw (5). 4 1 2 3 5 6 3 7