– 45 –
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.
1.
Turn the handwheel by hand, and confirm
that push button
❶
has returned.
2. Handwheel cannot be turned by hand un
-
less the power to the sewing machine is
placed in OFF.
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.
❶
5. OPERATION OF THE SEWING MACHINE
3) At the final step of procedure, check the needle-
to-hook relation. (Refer to
5-1. Resetting the safety clutch
In the case it is necessary to lift the presser foot at a
time of emergency such as a power failure, detach
rubber cap
❶
, put a screwdriver or the like between
the shafts and push down the screwdriver to lift the
presser foot.
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. Lifting the presser foot at an emergency
Do not leave the screwdriver or the like be
-
tween the shafts.
❶
A
