4.14.2 Gate Valve Maintenance.
This task covers: 22.214.171.124 Removal
General Safety Instructions
General Mechanics Tool Kit (appendix B,
To prevent rolling or sliding, do not
Section III, Item 1)
work on equipment that is not securely
Do not work on equipment without
LockWashers (TM 10-4320-226-24P)
following standard shop safety
Gaskets (TM 10-4320-226-24P)
Packing (TM 10-4320-226-24P)
Equipment shut down, refer to
paragraph 126.96.36.199 or 188.8.131.52.
Coupling half removed, paragraph 4.14.1.
To prevent rolling or sliding, do not work on equipment that is
not securely stabilized.
Ensure both wheels are secure.
Failure to obey this warning may result in serious personal
Remove eight nuts (figure 4-52, 1) and eight lockwashers (2) from studs (3) on
Remove gate valve (5).
Remove and discard gasket (6).
Remove nut (7), plate (8) and hand wheel (9).
Remove packing nut (10) and spring (11).
Remove packing gland (12) and old packing (13).
Remove eight nuts (14), lockwashers (15), bolts (16).
Remove and discard gasket.
Replace any damaged or missing parts.
Install new gasket.
Install eight bolts (16), lockwashers (15), and nuts (14).
Install new packing (13) onto stem (17) until packing is seated.