Bendix Commercial Vehicle Systems SmarTire Trailer-Link Op Manual - Manual (Page 23)

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Section C: System Installation –
Components and Programming
4.0 Installing The SmarTire ® Trailer-Link ™ System
What follows are the steps to install the SmarTire ® Trailer-Link ™ TPMS system
components for trailers built after 1998 with integrated power supply lines
and ABS modules already equipped. Installation of the TPMS sensors onto
wheels is excluded in this section. For additional harness, component, and
sensor installation details, refer to Sections B and E.
CAUTION: It is recommended to install all Trailer TPMS sensors
in their pre-assigned locations prior to completing the actions below
and in accordance with the sensor mounting instructions in Section B.
Step 1. For a multi-axle trailer, use Figure 3 to identify the ideal SmarTire
Trailer-Link ECU mounting location. To do so, picture a line drawn from the
left front trailer tire to the rear right trailer tire, and a line drawn from the front
right to the rear left tire. Where the lines intersect is the approximate mounting
location of the provided SmarTire Trailer-Link bracket and ECU. For a single
axle trailer, place the ECU slightly in front of the axle.
Figure 14
To ensure optimal signal reception, make sure the distance between any tire
and the SmarTire Trailer-Link ECU does not exceed six (6) feet.
Step 2. To install the SmarTire Trailer-Link ECU mounting bracket, find a
flat surface at or near the location indicated in Figure 3, and use a minimum
of three hex bolts to secure the bracket against the surface. Trailer cross
members are ideal for mounting the bracket. For dimensions of the mounting
bracket, please refer to Section D.
Step 3. Mount the SmarTire Trailer-Link ECU against the bracket by using
the two hex bolt sets provided. Ensure that the ECU module’s flat top is
facing parallel to the trailer tires, with the harness connector facing away
from the driving direction. See mounting example below; arrow shows driving
direction of the trailer.