T M 1 0 - 3 8 3 5 - 2 1 9 - 1 4
T a b l e 2 - 1 . P r e v e n t i v e M a i n t e n a n c e C h e c k s a n d S e r v i c e s ( P M C S ) ( c o n t ).
B - Before Operation D - During Operation A - After Operation
Item to be inspected
Gate Valve Assembly
Visually check flanges (34) for evidence of leakage.
Notify next higher level of maintenance if leaks or
evidence of leaks are present.
Check that valve assembly is working properly.
Check rotation of handle (35) to ensure it turns
freely. Notify higher level of maintenance if handle
will not turn, or is difficult to turn.
Check Valve Assembly.
Inspect check valve assembly (36) for leaks, cracks,
dents, or damage. Replace if damaged or leaking.
Equipment is not
Valve does not operate properly
or will not turn freely.
Valve leaks, or defects noted.