TM 5-4310-373-14
This task covers:
The inspection, removal and installation of the safety valve.
INITIAL SETUP
Equipment Condition:
Tools:
As noted in procedure
Materials/Parts:
As required
Personnel Required:
Approximate Time Required (minutes):
1 Mechanic
30
REMARKS
ACTION
LOCATION/lTEM
NOTE
Air tank should be under
pressure to check action of
safety valve.
1. Safety valve (1)
a. Pull ring on valve and
Air should escape when ring is pulled, and stop when ring
release.
is released.
b. Apply soap solution to
Replace valve if air leaks or action is sticky.
valve.
If bubbles appear, valve is leaky and should be replaced.
WARNING
Air pressure in tank must be
discharged before removal of
safety valve. Removal under
pressure could cause serious
injury.
1. Main power
Disconnect.
Open to discharge all air in
2. Draincock (2)
tank.
3. Safety valve (1)
Remove by unscrewing from
tank.
Figure 4-81. Safety valve
4-72
