Replacing The Gearbox Speed Sensor - MacDon R85 Operator's Manual

Replacing the Gearbox Speed Sensor

To replace the gearbox speed sensor, follow these steps:
1. Loosen bolts (A) and remove cover (B).
2. Disconnect the sensor wire from header wiring harness
at connector (A).
3. Remove bolt through clip (B).
4. Pull harness through
drive compartment.
5. Remove nut and bolt (C) securing sensor (D) to bracket
and remove sensor.
6. Install new sensor (D) onto bracket with bolt and
nut (C). Ensure sensor is aligned with pulley rim.
7. Check that gap between sensor and pulley is 0.08 in.
(2 mm). Adjust as required.
8. Route connector and harness through hole in frame
and through grommet in cover.
9. Connect sensor wiring to existing connector (A).
NOTE: Top panel removed for clarity.
10. Reinstall cover (B) and secure with bolts (A).
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MAINTENANCE AND SERVICING
grommet and into
144
Figure 7.71
Figure 7.72
Figure 7.73
Rev. E