How to disengage movable upper knife, To place movable knife in nonworking position, To place movable knife in working position – SINGER 14SH644 User Manual
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17. HOW TO DISENGAGE MOVABLE
UPPER KNIFE
A
Caution :
Be sure to turn off power switch.
To place movable knife in nonworking position
• Turn handwheel over toward you and raise upper
knife to its highest position.
• Open looper cover (page 9).
• Push the movable knife holder to the right as far as
it will go.
• Turn the knob away from you until the knife clicks
into a horizontal position.
Note; If the knife stops in the up position;
* Turn the hand wheel toward you until the
knife clears the top of the machine.
♦ Continue to rotate the knife to the horizontal
position.
To place movable knife in working position
• Open looper cover and push the movable knife
holder to the right as far as it will go.
• Turn the knob up and toward you until the knife
clicks into the working position.
A
Caution :
Always close looper cover before operating
machine.
Movable Knife
Holder
J
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