Singer 1 One Instruction Manual 39 - Page 27
Adjust, Overedge, Width
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19. HOW TO ADJUST THE OVEREDGE SEAM WIDTH * The machine is set to sew the 4 thread stitch and three thread left needle position stitch at a width of 5.7mm (7/32 inch). * The machine is set to sew the three thread right needle position stitch at a width of 3.5mm (9/64 inch). * The 5.7mm (7/32 inch) setting can be increased to 7.2mm (9/32 inch) and the 3.5mm (9/64 inch) setting can be increased to 5mm (13/64 inch) by adjusting the stationary knife. 5.7mm (7/321 7.2mm (9/32") t Left needle .7mm (7/32") 7.2mm (9/32") t Left needle • Be sure the machine is disconnected from the power source. * Open the looper cover (page 6). * Disengage the movable upper knife (page 23). * Remove the cylinder cover (page 9). * Loosen the 2 stationary knife holder set screws with the hex-head wrench provided in the accessories. (1) * Move the stationary knife holder to the right to increase the stitch width, or to the left to decrease the stitch width. * Be sure to align the cutting edge of the stationary knife level with the top surface of the throat plate. (2) Throat plate (2) * Tighten set screws. (3) * Replace the cylinder cover (page 9). * Return the movable knife to its original position (page 24). * Test sew and adjust tensions as necessary to com- (3) pensate for the increase or decrease in stitch width. Note: Do not set the overedge seam width below 3.5mm (9/64 inch). 3.5mm (9/64") 5.0mm (13/64") t Right needle a Stationary knife 5 5 25