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TM 10-4320-324-14
5-26. Gate Valve Repair (CONT).
a.
Disassembly
NOTE
Valves may differ slightly.
(1)
Place valve in closed position.
(2)
Remove wheel nut (1), information plate (2), and
handwheel (3).
(3)
Remove packing nut (4), spring (5), packing retainer (6).
(4)
Remove eight nuts (8), eight lockwashers (9), and eight
screws (10).
(5)
Place valve in open position and remove bonnet (11) from
body (17).
(6)
Remove and discard gasket (12).
(7)
Unthread stem (14) out of body (17).
(8)
Remove two screws (15), pull nut (13), and disc assembly
(13).
(9)
Remove and discard packing (7).
b.
Cleaning/Inspection.
(1)
Clean bonnet (11) and body (17) of gasket material.
(2)
Inspect for defective or worn parts.
(3)
Replace all parts that fail inspection.
c.
Assembly.
(1)
Install pull nut (13) in disc assembly (16) with two screws
(15).
(2)
Install disc assembly (16) into valve body (17).
(3)
Thread stem (14) into valve body (17) and install new
gasket (12).
5-94
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