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TM 10-4320-342-24
3-17. BALL VALVE (200/600 GPM PUMP) REPAIR.
This task covers:
a. Repair of 600 GPM Ball Valve
b. Repair of 200 GPM Ball Valve
INITIAL SETUP
Tools
600 GPM Pump Materials/Parts
General Mechanics Tool Kit (App B, Sect III,
Nut, Self-locking (App F, Item 59)
Item 1)
Upper Stem Seal (App F, Item 58)
Breechlock Tool (App B, Sect III, Item 6)
Lower Stem Seal (App F, Item 57)
Tool, 200 GPM Ball Valve (App D, Item 112)
Seat (2) (App F, Item 56)
Body Seal (App F, Item 55)
Lubricant (App E, Item 20)
200 GPM Pump Materials/Parts
Lockwashers (App F, Item 72)
Equipment Condition
Seals and Packing (App F, Item 73)
200 GPM Ball Valve removed (Para 2-26)
Seal (App F, Item 74)
600 GPM Ball Valve removed (Para 2-27)
Seat (2) (App F, Item 109)
Lubricant (App E, Item 20)
a. REPAIR OF 600 GPM BALL VALVE.
(1)
Disassembly. Refer to Figure 3-7.
(a)
Remove cap screw (1), handle (2) from valve stem (3).
NOTE
Note position of movable stop plate (8) prior to removal.
(b)
Remove tee handle (4), nylon washer (5), movable stop plate (6) and two spacers (7).
(c)
Remove indicator stop (8).
(d)
Remove screws (9), locknut (10) and backing plate (11).
(e)
Remove bushing adapters (12).
(f)
Remove nut (13) and compression ring (14) from valve body (15).
3-20
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