User manual SINGER 107W18

[. . . ] ± - Press the cover with the right hand to the left inner side, then pull the cover to the front, swing it to the left. (a) - Loosen the screw (2), drop the looper take ups (3) into the lowest position. - Loosen the screw (4), lift the bracket above the front cover (B). (D) * Remark: Do not lay the machine on the back side. [. . . ] - Check that the front-to-back clearance between the upper looper blade point and the lower looper is 0. - Move the upper looper (2) front back to make adjustment (B). - Check that the clearance between the needles and the front needle guard is 0. (MO735) - Check that the clearance between the needles and the rear movable needle guard is 0. - Move the rear needle guard (2) to make adjustment (B). - Loosen the setscrews (D) of the front needle guard (3). - Move the front needle guard (3) to make adjustment (A). - Distance from the center of the double-chain looper shaft to the doublechain looper blade point is 62. - Move the double chain looper (1) up or down to make adjustment. 1 mm) - Gauge needle is made of the needle after cutting a SCHMETZ 130/ 705H 15 X 1H Nm80. - Replace the right-hand needle with the gauge needle (3) and check that the blade point of the double-chain looper (1) meets with the bottom end of the left side of the gauge needle (3). 5 - 2 mm (A) when the lower looper blade point meets the needle center when sewing two plies of cotton broad cloth with No. - Move the needle thread guide (C) up or down to make adjustment. - Check that the distance between throat plate surface and lower knife is 0 - 0. - Loosen the setscrews of the lower knife presser plate and the support plate (3 + 5). - Move the lower knife 6 up or down to make adjustment (A). - Move the lower knife support plate (4) to the underside of the lower knife (6) - Retighten the setscrews (3 + 5). Engagement of the upper knife with the lower knife 25. - Check that the clearance between the upper knife turning knob and the upper knife holder is 0. 5 mm (A) when the upper knife touches the lower knife at knife position 1. - Check the engagement of the upper knife with the lower knife when the upper knife is in the lowest position. Adjusting the vertical engagement (B): - Set the upper knife in its lowest position. [. . . ] - Move the cloth plate with the hinge in its correct position. Push the threading lever (1) down to its lowest position, check that the threading hook (2) passes through the needle eye without interfering with the top bottom side of the needle eye, (A + B) this by the left and right hand needle. - Push the threading lever down to its lowest position. Move the conversion lever to L position for left hand needle. [. . . ]