It works by locking a cup on one of two different faces. You don't mesh
in and out any gears at all. All you do is push the disk that the
gears are on back or forward a bit. When it's back it couples directly
with the output shaft, when it's forward it couples with the casing,
causing the three plannet gears in the cup to spin. Power is transfered
directly to the output or via thoes gears. The moving of the cup is
done hydrolicly, with the oil pump, this is why low oil effects it. The
solinoid opperates a pressure reliefe valve, which stops pressure being
enough to move the cup.
--
James Carpenter
Yellow '79 spit wired by a trained marmot
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