Troubleshooting guide

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Typical Double Train
Typical Double Train
Air disc & drum brakes combined on a single axle are shown for pictoral purposes only.
Trailer (Supply) Trailer (Control) Trailer (Park)
TRAILERS:
VCDU
CDU CDU
VCDU
CDU
ADB22X
Disc Brake
WS-24
Wheel
Speed Sensor
ADB22X
Air Disc
Brake
WS-24
Wheel
Speed Sensor
WS-24
Wheel
Speed Sensor
WS-24
Wheel
Speed Sensor
SR-5
Trailer Spring
Brake Valve
PR-3
Valve
PP-1
®
Valve
R-12P
Valve
TR-3
Valve
SV-4
Valve
TABS-6
Module
ABS Indicator
Lamp
Brake
Chamber
TABS-6
Module
DC-4
®
Double
Check Valve
SC-1
Single
Check Valve
ADB22X
Air Disc
Brake
WS-24
Wheel
Speed Sensor
WS-24
Wheel
Speed Sensor
TABS-6
Module
R-12P
Valve
ABS Indicator
Lamp
Automatic
Slack Adjuster
Spring Brake
Chamber
SR-5
Trailer
Spring Brake
Valve
QR-1
®
Quick
Release
Valve
Brake
Chamber
C-5
Vented
Cut-Out Cock
C-5
Vented
Cut-Out
Cock
SC-1
Single
Check
Valve
ABS Indicator
Lamp
Spring Brake
Chamber
SC-1
Single
Check
Valve
R-12P
Valve
C-5
Vented
Cut-Out
Cock
QR-1
®
Quick
Release
Valve
Brake
Chamber
C-5
Vented
Cut-Out Cock
Hose
Coupling
Bendix Extended
(ES)
Drum Brake
Bendix Extended
(ES)
Drum Brake
Bendix Extended
(ES)
Drum Brake
Automatic
Slack Adjuster
Automatic
Slack Adjuster
System Schematic
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