Safety Clutch Mechanism - Consew 206RBL Instruction Manual

9. SAFETY CLUCH MECHANISM
9. SAFETY CLUCH MECHANISM
If the thread is tangled with the rotary hook during sewing, the safety clutch mechanism for the safety clutch
pulley operates to stop the lower shaft and let the safety clutch pulley race off load, thereby protecting the
rotary hook and timing belt.
Release the safety clutch mechanism as mentioned below .
• Releasing the safety clutch mechanism
A
CAUTION
Turn off the power switch before releasing the safety clutch mechanism. The motor will keep turn-
ing even after the power is switched off as a result of the motor's inertia. Wait until the motor stops
fully before starting work. The machine may operate if the treadle is pressed by mistake, which
could result in injury.
1. Remove the thread, etc. entangled with the rotary
hook.
NOTE: Do not use a sharp-edged tool to clean
the hook, as doing so may damage the
hook.
2. Slowly turn the machine pulley while pressing
push button
0
and the safety clutch mechanism
returns to the original position .
• Adjustment of spring tension of safety clutch
If the safety clutch should become necessary to ad-
just spring tension, use the following procedure:
1. Depress the button
0
in the bed plate of the ma-
chine with your left hand. At the same time, turn
the machine pulley strongly so that the safety
clutch disengages.
2. Tilt back the machine head. Hold the safety clutch
(left) • and turn the safety clutch (right) • until
you can see the screw
e
through the hole
0.
3. To strengthen the tension of spring
0,
turn the
screw
0
to the right, while to lighten the tension,
turn the screw
e
to the left.
4. Upon completion of adjustment, depress the but-
ton
O.
At the same time, turn the machine pulley
until the safety clutch re-engages.
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