WABCO OptiTire System Description page 41

Installation
Preparing assembly
Assembly of the internal sensor
– Read the following chaptersee chapter "5.1.2 The internal sensor (WIS)"
on page 28.
– Jack up the vehicle at the corresponding wheel positions.
– Remove the wheel.
– Use a suitable assembly device to remove the tire.
It is sufficient to pull the tire over the rime on one side; fee access to the
drop-centre and valve is all that is required.
– Remove the original tire inflation valve.
– Fit the suitable tire inflation valve (figure 1).
Observe the tightening torque specified for the rim and correct alignment of
the valve.
Figure 1
– After the valve is fitted, the internal sensor is placed on the valve head
on the rim's inside (figure 2) and fastened with the screw (figure 3). The
following must be observed during this procedure:
The internal sensor must be aligned parallel to the rim (figures 4 & 5).
„
The sensor must make contact over the entire contact area of the valve;
„
in addition it must be supported at two other points on the rim (3-point
assembly) (figures 6 & 7).
The tightening torque is 4 ±0,5 Nm (figures 8 & 9). Always use a torque
„
wrench for the exact torque!
Figure 2 Figure 3
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