Installation ST700 Dash Display System
22
❑ If possible, choose a wheel that experiences negligible wheel
spin, lift or lock–up—for example, an undriven wheel.
❑ Ideally, the targets should be equally spaced around the wheel
so that, with a constant wheel speed, the electrical pulses occur
at regular intervals.
❑ To avoid excessive heating do not install the sensor too close to
the brake disc or calliper.
❑ Position the sensor no closer than 75 mm (3 inches) to ignition
HT leads or sources of intense heat.
2. Make a suitable rigid bracket to support the sensor and attach it to
the vehicle. Fit the sensor to the bracket. Do not over tighten the
sensor—tighten the sensor to 1.2 Nm (12 kgf.cm or 0.9 lbf.ft). Use
fibre washers to insulate the sensor from heat transmitted through
the bracket.
3. Adjust the clearance between the end of the sensor and the ferrous
targets so that the gap is nominally 1.0 mm ± 0.5 mm (0.040 ±0.020
inches). Make certain there are no other objects passing within
4 mm (
3
/
16
–inch) of the sensor when the wheel rotates.
4. Attach the wire labelled ‘WS’ of the harness to the sensor at the 4–
way ‘Sure–Seal’ connector. Take care to assemble this connector in
the correct orientation. Press the two halves of the connector fully
together to ensure a good waterproof seal.
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