WABCO iABS 2S/1M Standard, Maintenance Manual

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21
System Con fi gurations
5.1.1 Typical iABS Trailer installation are illustrated in Figure 5.1 through 5.8:
WABCO recommends placing the sensors on the axle that will provide the most braking
performance. This is based on the way the suspension reacts during heavy braking applications.
The Trailer Manufacturer can help provide this information. The following Figures 5.1 through 5.8
are recommendations for many of the standard trailers built in North America.
Fig. 5.1
SERVICE/CONTROL LINES
SENSOR CABLES
SERVICE BRAKE
SUPPLY AIR
SPRING BRAKE AIR
SERVICE/CONTROL LINES
SENSOR CABLES
SERVICE BRAKE
SUPPLY AIR
SPRING BRAKE AIR
P
O
WER SU
PPL
Y
A
BS
S
E
N
SO
R
D
A
BS SEN
SO
R C
D
C
D
C
FRONT OF
TRAILER
FRONT OF
TRAILER
NOTE: Typical Tandem Axle Trailer
Spring Suspension Installation
with Sensors on Front Axle
NOTE: Typical Tandem Axle Trailer
Spring Suspension Installation
with Sensors on Rear Axle
P
O
WER SU
PPL
Y
A
BS
S
E
N
SO
R
D
A
BS SEN
SO
R C
4014005a
2S/1M STANDARD VALVE MOUNTED WITH
CONTROL PORT FACING FRONT OF TRAILER
2S/1M STANDARD VALVE MOUNTED
WITH CONTROL PORT
FACING FRONT OF TRAILER