TM 10-8110-201-14&PFigure 4-10. Pressure Control Diaphragm Valve, Exploded View(8) Remove the preformed packings (7) fromthe cycling valve stem.(9) Remove the setscrew (5) from the button,and remove the button from the cycling valvestem.(10) Repeat the procedures in (1) thru (9) aboveto remove and disassemble the remaining cyclingvalve assembly.b. Cleaning, Inspection and Repair.(1) Wash all metal parts in a hot, mild soap andwater solution and dry them with a clean cloth.(2) Inspect the ring, valve body, washer, cycl-ing valve stem, and button to determine if they are4-20chipped or burred. Be certain the threads on thesetscrew, and in the button and cycling valve stemare not stripped.(3) Inspect the spring to determine if it isbroken or collapsed.(4) Inspect the cover to determine if it is cut ordeteriorated.(5) Replace all preformed packings and retain-ing rings.(6) Replace all other unserviceable parts withserviceable parts as authorized.(7) To clean, inspect and repair the remainingcycling valve assembly, follow the procedures in(1) thru (6) above.
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