TM 9-2330-211-14&P
EMERGENCY RELAY VALVE (Con't)
4-31.
ACTION
ITEM
REMARKS
LOCATION
REMOVAL
WARNING
Always release air from system before working on
emergency relay valve. Failure to do so could result in
personal injury.
Four adapters (4)
Four outer
1.
Using in. wrench
in. wrench, hold adapters
to four airbrake
union nuts (3)
(4), unscrew outer union nuts (3), and remove.
chambers (1)
Four brake
2.
Emergency relay
a. Using
in. wrench, unscrew and separate.
hose nuts (5)
valve (6)
b. Tag each brake hose to identify.
CAUTION
Use caution not to kink tubing or damage to tubing will result.
a. Using in. wrench and
in. wrench, unscrew
Service Iine elbow
Service line coupling
3.
and separate.
nut (10) and
(9) and emergency
b. Push service and emergency lines aside.
emergency Iine
line elbow (7}
Coupling nut (8)
Do not kink tubing.
c. Tag each line to identify.
4-86