Volvo Penta D1-13 Workshop Manual page 25

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4 Remove the sensor from the flywheel casing.
Check that the sensor has no external damage
and that no metal chips are stuck on the sensor.
MDI
5 Use 88890074 Multimeter for a AC voltage meas-
urement.
6 Move a metal object rapidly back and forwards
not more than 1 mm (0.039") in front of the sen-
sor. Check that the multimeter gives a reading.
7 Install the sensor.
30-2 Fault Tracing
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