TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 6–20 Change 2 6–6 PRESSURE SWITCH, HYDRAULIC This task covers: a. Removal b. Installation INITIAL SETUP Tools Artillery and turret mechanic’s tool kit (SC 5180–95–CL–A12) Materials/Parts Caps and plugs (item 7, Appx D) Preformed packing (item 46, 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) 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 hydualic fluid in accordance with local regulations. a. Removal 1 Disconnect tube nut (1) from reducer (2) and plug hydraulic line. 2 Disconnect connector (3). 3 Remove machine bolt (4), hex nut (5), and loop clamp (6). 4 Remove pressure switch (7). 5 Remove reducer (2) and preformed packing (8). Discard preformed packing. b. Installation 1 Install reducer (2) and new preformed packing (8) into pressure switch (7). 2 Install pressure switch (7) in loop clamp (6). 3 Secure loop clamp (6) with hex nut (5) and machine bolt (4). 4 Connect connector (3). 5 Remove plug and connect tube nut (1) to reducer (2). 6 Check hydraulic fluid level (para 6–2). 3 4 1 2 8 7 5 6