TM 10-4610-241-24
TO 40W4-13-42
2-45.1 3-WAY BALL VALVE (BACKWASH) REPAIR (MODELS H-9518-1, H-9518-2, and
H-9518-3) - continued.
Disassembly.
Clamp 3-way valve in vise and remove adapter (27).
CAUTION
(1)
(2)
(3)
(4)
(5)
Make sure that the ball does not get scratched during removal.
Using an adjustable wrench turn stem (28) to a position with the water passage to the right when viewed from
the stem, which allows the ball (29) to be removed.
NOTE
Stem and thrust washer are removed from inside the valve. The packing is removed by
driving and prying it out from the inside of the valve to the outside of the valve. Once
the packing is removed, the packing must be replaced.
If necessary, remove packing nut (30) and push stem (28) into body (31). Remove the stem (28), packing
(32), and thrust washer (33).
NOTE
The seats are removed by prying them out. Once removed, they must be replaced.
If necessary, remove the seats (34 and 35) from the body (3 1) and adapter (27) by prying.
Remove the body seal (36) from the adapter (27) by twisting and rocking it over the threads.
b.
2-188.4 Change 1
