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Ryobi Homelite RY48ZTR75/100 Manual page 5

Electrical components troubleshooting and testing

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Brushless motors operate quite differently than brushed motors, which you
may be used to (i.e. a starter motor).
A brushed motor can be quickly tested by applying voltage to the two
terminals.
Brushless motors can be recognized by
controller to operate them and to "fire" these 3 phases in a precise fashion
similar to spark plugs firing a 3 cylinder gas motor.
to these phases will cause damage.
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Brushless Motors
3
wires. These 3 wires require a
Applying a voltage directly
5

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