User manual JUKI MO-735 SERVICE MANUAL

[. . . ] B) The needles are spaced equidistantly with respect to the slots in the throat plate (A). C) The distance between the needle center and the front edge of the throat plate slot is 1. - Check that the distance between the throat plate surface and the OL right hand needle point with the needle bar at the highest point of its stroke is 11. [. . . ] 2 mm (A) when the upper looper goes up and the upper looper blade point meets the lower looper. - Check that the front-to-back clearance between the upper looper blade point and the lower looper is 0. - 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. - Distance from the center of the double-chain looper shaft to the doublechain looper blade point is 62. 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). (Both ways of going and back) - Move the double-chain looper support arm (D) left or right to make adjustment. - Make a rough clearance adjustment by moving the lower looper support arm (D) back or forth. - Check that the clearance between the needles and the rear needle guard is 0. - Check that the clearance between the needles and the front needle guard is 0. - Check that the flat part of the double-chain looper thread take-up (1) is in its horizontal position (A) and in center of the double-chain looper thread take-up guide (2) when the needle bar is at the highest position. 1 mm (A), when the flat side of the double-chain looper thread take up (1) is in its vertical position. - Raise the presser foot using the lifting lever and check that the distance between the throat plate surface and the presser foot sole is 6. (MO-734DE) - Check that the presser foot is parallel to the feed dog slot in the throat plate. - Check the swing out position when the presser foot is raised and the presser foot starts to swing to the left side. The right hand needle point should be 1mm above thesurface of the presser foot, this when the needle is ascending. - Check that there is a zero clearance between the presser swing stopper and the needle bar connection. [. . . ] - Turn both looper take ups together up until the rear one touches with the right side the positioning pin. - Check that the clearance between the cloth plate and the throat plate is 0 - 0. - Check that the clearance between the cloth plate and the rear cover is 0 - 0. [. . . ]