TM 9-2330-384-14&P
4-41. RELAY QUICK RELEASE VALVE MAINTENANCE.
THIS TASK COVERS
a.
c.
Operating Test
Removal
b.
Leakage Test
d.
Installation
INITIAL SETUP
Equipment Conditions:
Materials/Parts:
Ref
Conditions
Detergent
(Item 9, Appendix E)
l
Tag marker
(Item 21, Appendix E)
l
Antiseize tape
(Item 22, Appendix E)
l
Tools:
Personnel Required: Two
Tool kit, general mechanic's
l
Channel lock oliers
l
General Safety Instructions:
Face shield
l
Wear safety goggles and face shield when
l
Safety goggles
l
performing leakage tests on relay quick re-
lease valves.
References:
Ensure that air lines do not rub against
l
l TM 9-2320-273-10 or
each other or any other surface when in-
l TM 9-2320-283-10
stalled.
a. OPERATING TEST
(1)
If disconnected, connect tractor EMERGENCY and SERVICE air couplings to semitrailer (see
TM 9-2320-283-1 0).
(2)
Apply tractor service brakes and check that semitrailer brakes apply properly (see paragraph
(3)
Release brakes and check whether air pressure is exhausted through exhaust port on under-
side of relay quick release valves (2).
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