TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
Page 270 of 828
TM 9–2350–311–20–2 5–14 Change 2 5–7 SPINDLE ASSEMBLY This task covers: a. Removal b. Disassembly c. Assembly d. Installation INITIAL SETUP Tools Artillery and turret mechanic’s tool kit (SC 5180–95–CL–A12) Spanner wrench (item 17, Appx H) Materials/Parts Lockwashers (2) (item 68, Appx G) Rag (item 25, Appx D) Soap (item 9, Appx D) Spring pin (item 11.1, Appx G) Personnel Required 2 Equipment Condition Firing mechanism removed (TM 9–2350–311–10) Rack springs removed (para 2–4) Relieve tension on adjuster (TM 9–2350–311–10) a. Removal CAUTION Be careful when opening breechblock with spring tension released. Use operating handle to sup- port breechblock as it is being opened. Otherwise, carrier will slam open and may be damaged. 1 Open breechblock (1) using one mechanic to slowly move operating handle (2) and the other to support breechblock. Return operating handle to stop. 2 Depress detent (3) with punch. 3 Rotate breechblock (1) to LOCKED position. 1 3 2 LOCK UNLOCK