TM 5-3825-229-14&P4-61. SUCTION AND FILL BUTTERFLY VALVES (cont)a. Removal (cont).(2)Remove four screws (7), washers (8) and nuts (9) holding pipe adapter (10), fill butterfly valve (11) andheader (12) together. Remove butterfly valve (11).Removing and Installing Butterfly Valvesb. Disassembly.NOTEDisassembly and assembly is identical for bothbutterfly valves.(1) Loosen handle stem pin (1) and remove handle (2).(2) Drive out pin (3) and remove spring (4) and lever (5) from handle (2)(3)Turn butterfly valve upside down and remove pipe plug (6) if necessary.c. Assembly.(1)Install pipe plug (6) on bottom of valve.(2)Assemble lever (5) and spring (4) on handle (2)and install pin (3).4-139
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