Threading Information For A Triple Cover Stitch; Disengage Moveable Upper Knife - Singer Quantumlock 14T957DC Detailed Threading Manual

THREADING INFORMATION FOR A TRIPLE COVER STITCH

Disengage Moveable Upper Knife:

Pull the holder (screw) as far as it will go to the right, and swing (turn) the knife
down (counter-clockwise) until it clicks into resting position.
To re-engage knife, pull the holder out to the right and swing the knife up
(
(clockwise) until it clicks into working position.)