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SECTION 5-Breaker Operation {Cont.}
There is a ratchet assembly attached to the camshaft
extension. This ratchet is normally driven by the breaker's
gear motor.
roller on this ratchet engages with a prop
A
when the closing spring is fully charged and driven over
center, see Fig.
1 2.
This holds the closing spring in a
charged condition.
FIG. 1 3 - MANUAL OPERATION OF CLOSING SOLENOID
1 4
-
FIG. 1 2
ROLLER ENGAGED WITH CLOSING PROP
Rotate the camshaft using the maintenance handle until
the ratchet assembly's roller engages with the prop. Do not
drive the roller against the prop with undo force. The
breaker can now be closed by removing the prop from thr
roller. This is done by manually activating the closin�
solenoid's armature. Push the solenoid's armature into its
windings. See Fig. 13.
,
.
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G f N ERA L
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