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TM 10-4320-342-24
2-23. 600 GPM BALL VALVE REPAIR.
This task covers:
a. Disassemble
b. Repair
c. Assemble
INITIAL SETUP
Tools
Equipment Condition
General Mechanics Tool Kit (App B, Sect III,
Ball Valve removed (Para 2-21)
Item 1)
Materials/Parts
Locknuts (App F, Item 100)
Nylon Washer (App E, Item 71)
a.
DISASSEMBLE. Refer to Figure 2-43.
(1)
Remove bolt (1) and handle (2) from valve stem (3).
NOTE
Note position of movable stop plate (8) prior to removal.
(2)
Remove tee handle (4), nylon washer (5), two spacers (6) and movable stop plate (7).
(3)
Remove indicator stop (8).
(4)
Remove screws (9), locknut (10) and backing stop plate (11). Discard locknuts.
(5)
Remove bushing adapters (12).
b.
REPAIR.
Repair at this level is limited to replacement of damaged components.
c.
ASSEMBLE.
(1)
Install bushing adapters (12).
(2)
Install backing stop plate (11), screws (9) and locknuts (10).
(3)
Install indicator stop (8).
(4)
Install removable stop plate (7), spacers (6), nylon washers (5) and tee handle (4).
(5)
Install handle (2) and bolt (1) on stem (3).
2-115
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