|
| |
TM 10-4320-342-24
3-17. BALL VALVE (200/600 GPM PUMP) REPAIR - continued.
(s)
Install two spacers (7), removable stop plate (6), nylon washer (5) and tee handle (4).
(t)
Install handle (2) and bolt (1) on stem (3).
CAUTION
Turning the handle in fast motion before the seats have a chance to form a proper
seal may cut the seats and cause the valve to leak.
NOTE
Cycling the handle slowly will allow the seats to properly seal against the ball.
(u)
Cycle the valve slowly by turning handle (3) with a gentle back and forth motion to obtain the full quarter
turn.
b. REPAIR OF 200 GPM BALL VALVE.
(1)
Disassembly. Refer to Figure 3-9.
(a)
With valve in closed position, remove nut (1), lockwasher (2) and handle (3) from valve stem (4).
NOTE
Note position of movable stop plate (7) prior to removal.
(b)
Remove tee handle (5), plastic washer (6), movable plate (7) and washer (8).
(c)
Remove bolts (9), stop screws (10) and backing stop plate (11).
3-26
|
