TM 55-2210-224-34
3-54.
NO. 24 DOUBLE CHECK VALVE
This task covers:
a.
Removal
b.
Installation
c.
Test
INITIAL SETUP
Tools
Tool kit SC4940-97-CL-E12
REMOVAL
WARNING
· Whenever the No. 24 double check
valve is removed and installed for any
reason,
a
stationary
locomotive
airbrake test (para 2-9) must be
performed to check that the No. 24
double check valve functions properly
in the brake equipment arrangement.
Failure to perform test may result in
injury to personnel.
· Make sure air is drained before removal
of the No. 24 double check valve.
Residual air may escape and cause
injury to personnel.
NOTE
When removing or repairing brake
valves or components, check air lines
and pipes for corrosion, breaks, splits,
or loose connections. Repair of air
lines and piping consists of replacing
defective pipes, lines, and connections.
Refer to TM 55-2210-224-24P for
identification of piping.
1.
Disconnect aft line fittings (1), (2), and (3). Remove No. 24 double check valve (4) from brake component.
2.
Remove two remainingNo. 24 double check valves in a similar manner.
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