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7.4.2 - Overdrive Solenoid ( Laurent/Waugh,  August 20, 2003 )

From Laurent August 20, 2003

The usual failure mode of the solenoid is an improper actuator set up.
The stroke has to be correctly adjusted (according to the manual, with
reference to the actuating lever located on the opposite side of the OD
which has to be centered with a pin inserted in a purposely placed hole in
OD casing). If not, the plunger does not move far enough as it should to
switch current from the actuating coil to holding one. The actuating coil
remains powered, overheats and burns the solenoid. Nothing works anymore

From Andrew Waugh, August 19, 2003

The solenoid is actually 2 coils, an actuating
one and a holding one. There is an internal contact that
changes the applied voltage to the holding coil.
To test it properly you'll need an ammeter. The coil
should draw something in the order of 2A. Tests must be
done with the overdrive assembled


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