Bendix Commercial Vehicle Systems SRC-7000 TRAILER SPRING BRAKE VALVE User Manual

Page 3

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FIGURE 3 - CHARGING BELOW 85 PSI

OPERATION

CHARGING BELOW 85 PSI (SEE FIGURE 3)

Air fl

ows through the trailer supply line, enters the trailer

supply port of the Bendix

SRC-7000

™

trailer spring brake

valve, sealing the anti-compound section. The air passes
through the quick release portion and out of the delivery
port to the spring brakes. The air pressure then releases
the spring brakes.

CHARGING ABOVE 85 PSI (SEE FIGURE 4)

Once the air pressure in the valve builds to 85 psi, the air

pressure

ows into the trailer service reservoir(s). The

trailer braking system is now in the normal run mode.
Service braking occurs through the trailer service relay
valve.

FIGURE 4 - CHARGING ABOVE 85 PSI

SPRING

BRAKE

CHAMBER

EXHAUST

SERVICE/SPRING

BRAKE RESERVOIR

CONNECTION

SERVICE

RELAY

VALVE

DELIVERY