TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
Page 354 of 828
TM 9–2350–311–20–2 6–38 Change 2 6–15 MANUAL ELEVATION PUMP ASSEMBLY This task covers: a. Removal b. Installation INITIAL SETUP Tools Artillery and turret mechanic’s tool kit (SC 5180–95–CL–A12) Utility pail (item 7, Appx H) Materials/Parts Caps and plugs (item 7, Appx D) Lockwashers (3) (item 95, Appx G) Equipment Condition Discharge hydraulic pressure (para 6–3) CAB POWER switch to OFF (TM 9–2350–311–10) Vehicle MASTER switch to OFF (TM 9–2350–311–10) a. Removal CAUTION All hydraulic lines and ports must be capped to prevent contaminants from entering the hydraulic system and causing internal damage to hydraulic components. NOTE Dispose of hydraulic fluid in accordance with local regulations. 1 Disconnect hydraulic tube (1) at check valve (2). Catch draining hydraulic fluid in a utility pail. 2 Disconnect two hydraulic tubes (3) at rear of manifold assembly (4). Catch draining hydraulic fluid in a utility pail. 3 Remove three cap screws (5) and three lockwashers (6) from top of manual elevation pump (7). Lift manual elevation pump off elevation control bracket (8). Discard lockwashers. b. Installation 1 Place manual elevation pump (7) on elevation control bracket (8). Install three new lockwashers (6) and three cap screws (5) to secure manual elevation pump. 2 Connect two hydraulic tubes (3) to rear of manifold assembly (4). 3 Connect hydraulic tube (1) to check valve (2). 4 Check hydraulic fluid level (para 6–2).