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TM 10-4320-342-24
3-17. BALL VALVE (200/600 GPM PUMP REPAIR - continued.
Refer to Figure 3-8.
(g)
Install breechlock tool on valve as follows:
(1)
Install nut (1), base (2), lockwasher (3), and nut (4) on end of rod (5).
(2)
With valve in open position, install rod (5) through center of valve body (6).
(3)
Position plate (7) on end of rod (5). Engage dowel pins on plate with slots in insert (8).
(4)
Install handle (9) over dowel pins on plate (7).
CAUTION
Failure to correctly align notch before preloading and removing insert may result
in damage to insert or valve body.
(5)
Install washer (10) and nut (11). Tighten nut to preload insert (8) enough to ease rotation. Face of
insert should be flush with mating surface of flange on valve body (6).
NOTE
Locate OPEN and LOCK stamped into valve flange.
(6)
Turn tool handle (9) to the left until notch on insert (8) is aligned with the OPEN mark on the flange of
valve body (6).
(7)
Remove breechlock tool (items 1 through 5 and 7 through 11) and pull insert (8) from valve body (6).
If insert does not come out easily, close ball (12) and with a piece of wood or other soft material,
gently tap ball from end opposite insert (8).
(8)
Remove seal (13) and seat (14).
(9)
Turn ball (12) to closed position and remove from valve body (6).
(10)
Remove seat (15) from valve body (6).
NOTE
Note position of stem prior to removal from inside of valve body.
(11)
Remove upper seal (16), stem (17) and lower seal (18) from valve body (6).
3-22
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