TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download

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TM 9–2350–311–20–2 19–24 19–5 ACCUMULATOR ASSEMBLY, PRIMARY — CONTINUED b. Service (Method Two) WARNING Be sure nitrogen cylinder contains only dry nitrogen. Certain other gases will cause nitrogen cylin- der or accumulator to explode, resulting in possible injury. 1 Remove two cap screws (1) and retaining strap (2). 2 Remove air valve cap (3) and loosen check valve nut (4) on valve (5) to release nitrogen precharge pres- sure from primary accumulator assembly (6). 3 Open and close nitrogen cylinder (9) shutoff valve (13) to clear shutoff valve seat of any dust or dirt. 4 Connect and tighten nitrogen charging assembly to nitrogen cylinder (9), as shown. Repeat operation to clear nitrogen charging assembly (7) hose. 5 Connect air pressure gage assembly (16) to valve (5) on primary accumulator assembly (6). 1 2 3 16 4 5 7 6