WABCO OptiTire, System Description

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Installation Installation
– For the towing vehicle use the bracket (WABCO part number
446 220 000 4). Screw the bracket to the vehicle.
Welding could impair the stability of the frame.
– Tighten ECU to bracket using torque of 15 ±1.5 Nm.
6.5 Wiring in towing vehicle/bus
Proceed as follows to install the wires of the OptiTire
TM
system into the bus or
the towing vehicle:
– Read the following chapter

see chapter 5.4 "Connecting cables", page
33.
– Select the suitable circuit diagram

see chapter 4.2 "Configuration for bus
and towing vehicle", page 13.
– Attach display to support supplied at a suitable attachment location. The
display must not necessarily be located inside driver's direct field of vision.
– Fit the diagnostic socket to a suitable attachment location and label it with
"Diagnostic OptiTire
TM
".
Locations where diagnostic ports are already located would be specially
suitable as the attachment location.
– Install cables according to the wiring diagram using cable ties in parallel with
already existing wiring harnesses.
– Form large loops from ample lengths.
– Turn off the ignition.
– In the fuse box, search for appropriate fused circuits or connect 5 A "flying"
fuses to terminal 15 (ignition) and 30 (U Batt).
– Label the flying fuses with "OptiTire
TM
".
– Connect the cable set with the fuses.
– Connect the ground line to the ground contact.
– Connect display and ECU.