Troubleshooting guide

35
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Parking and Emergency Systems Trailer Spring Brake Valves, cont.
The Bendix
®
SRC-7000
™
trailer spring brake valve is
a reservoir-mounted trailer valve that can control up to
six spring brake actuators during parking or emergency
applications. It has the following capabilities:
• Automatically applies trailer spring brakes in the event
of a breakaway or trailer supply line failure;
• Protects trailer reservoir(s) air pressure in the event of
a breakaway or trailer supply line failure;
• Allows no automatic trailer spring brake application
with air pressure loss in trailer reservoir(s);
• Allows the trailer spring brakes to be applied and
released repeatedly with a failed trailer reservoir(s);
• Anti-compounding prevents an overriding service brake
signal while the trailer supply line is at atmospheric
pressure;
• Does not allow service system charging if a failure
occurs in the parking brake circuit; and
• Is muffl er & snorkel capable.
The Bendix
®
TE-1
™
trailer
emergency stop light
switch is a pressure-
sensitive switch to operate
the stop lights in the event
of emergency trailer brake
application.
Bendix
®
SRC-7000
™
Spring Brake Valve
Bendix
®
TABS-6
™
Trailer ABS
Trailer System Schematic (Featuring Bendix
®
SRC-7000
™
Spring Brake Valve and Bendix
®
TABS- 6
™
ABS)
To
Accessories
Trailer
Service
Trailer
Supply