Troubleshooting guide

Front
Axle Reservoir
Rear
Axle Reservoir
Supply
Reservoir
ADB-22X
™
Air Disc
Brake
EC-60
™
Electronic
Controller
E-8P
®
/ E-6
®
Brake Valve
AD-9
®
/
AD-IP
®
Air Dryer
Safety
Valve
Tu-Flo
®
550/Tu-Flo
®
750/
BA-921
®
/ BA-922
®
Air Compressor
Antilock
Modulator
(4 places)
Service
Relay
Valve
PP-DC
®
Park Control Valve
PR-3
™
/ PR-4
™
Valve
Low
Pressure
Indicator
To Accessories
SR-7
®
Spring Brake
Modulating
Valve
WS-24
™
Wheel
Speed Sensor
WS-24
™
Wheel
Speed Sensor
Standard
1
Premium
2
Quick Release
Valve
ADB22X
™
Air Disc
Brake
Typical Truck System Schematic
Typical Truck System Schematic
Bendix
®
Extended
Service(ES)
™
Drum Brake with
Automatic Slack
Adjuster and Service
Chamber
Bendix
®
Extended Service (ES)
™
Drum Brake with
Automatic Slack
Adjuster and Service
Chamber
Notes:
The color coding of the brake system schematic follows TMC Recommended Practice #423.
Air disc & drum brake actuation combined on a single axle are shown for pictorial purposes only.
1
Equipped with standard Bendix
®
ABS Antilock Brake System
2
Equipped with Bendix
®
ABS and Smart ATC
™
Traction Control
TRUCKS AND TRUCK TRACTORS:
Charging Primary Secondary Park (Supply) Parking (Control) Accessories
84
For more information, visit www.bendix.com or www.foundationbrakes.com • 1-800-AIR-BRAKE (1-800-247-2725)
System Schematic
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