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The safety clutch functions when an excessive load
is applied to the hook or the other components dur-
ing sewing. At this time, the hook will never rotate
even if turning the handwheel. When the safety
clutch has functioned, remove the cause and reset
the safety clutch as given in the following procedure.
1) Pressing push button
❶
located on the top
surface of the machine bed, strongly turn the
handwheel in the reverse direction of rotation.
2) The resetting procedure completes when the
handwheel clicks.
Turn the handwheel by hand, and confirm
that push button
❶
has returned.
3) At the nal step of procedure, check the needle-
to-hook relation. (Refer to
"4-5. Needle-to-hook
relation" p.27
)
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
5-2. Resetting the safety clutch
❶
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