Bendix Commercial Vehicle Systems MV-3 DASH CONTROL MODULE 3/04 - Manual (Page 2)

2
OPERATION
During initial charge, with the system completely
discharged, both buttons are out (Figure 2). When system
pressure reaches 65 psi, the red button (trailer supply) may
be pushed in (Figure 3) and should stay in, charging the
trailer system and releasing the trailer brakes. The yellow
button may now be pushed in, which will supply air to the
tractor spring brakes, releasing them.
NORMAl OPERATINg POSITION (FIguRE 4)
With both buttons pushed in, air is supplied to the trailer
and to the tractor spring brakes; all brakes are released.
FIGURE 3 - trailer CharGed & traCtor ParKed
( ; + 6 83
( ; + 6 83
( ; + 6 83
( ; + 6 83
( ; + 6 83
( ; + 6 83
( ; + 6 83
( ; + 6 83
FIGURE 2 - initial CharGinG or sYsteM ParK
ReD yellOW
traCtor
SerViCe
reSerVoir #2
traCtor SerViCe
reSerVoir #1
ReD yellOW
traCtor
SerViCe
reSerVoir #2
to traCtor
SPrinG
BrakeS
traCtor SerViCe
reSerVoir #1
traCtor
ProteCtion
ValVe
to trailer
SPrinG
BrakeS
QuiCk releaSe
ValVe
to traCtor
SPrinG
BrakeS
traCtor
ProteCtion
ValVe
to trailer
SPrinG
BrakeS
QuiCk releaSe
ValVe