Évaluations - 3, GPA: 3.7 ( )

Fabricant : Kenmore Taille : 2.66 mb Nom Fichier : Langue d'enseignement:

.* ,,.,-*., ,.,,,,, ... • ,, .>. -., *. ,..., * • .,,,.+.::,.:,.:,. ,., ,,*.,.,*,,,,., To repair a straight or three-cornered •..,, • • ...,,.. ,..., [iiii!i!iiiiiii!!iiiiiiii!iiiii!!iii!!]iii[ii[i!i]i "i'_.:'2.1.2._.:.i.2,[,; '.'.'.'.'.'.'.'.'.','.'.'.'.'.','.'.'.'.'.'.'.'.'. tear, position the tear under the needle in such a way that the stitching catches both sides of the tear. When mending a three-cornered tear, stitch from each end to the center. It is well to use a :::::-:::.:.:.:.:._ :.:.:.::.: piece of fabric under the tear for re :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: inforcement. DARNING SETTINGS Special Stitch Dial -Red Dot Stitch Width Control -Red Dot Pressure Regulator -0 Feed Dogs -Up No Presser Foot Remove presser foot, stretch fabric between embroidery hoops with hole centered. Draw the bobbin thread up through the fabric by holding the top thread and taking one stitch at the spot where you wish to start darning. Lowering the presser bar, start sewing at a slow to medium speed. Move the fabric back and forth with a steady rhythm to cover the darning area. When it is covered, turn the fabric and sew another layer of stitching across the first layer of stitching. 38 _0 3. Checking Performance Problems WHAT TO DO PROBLEM PROBABLE CAUSE CORRECTION Irregular Stitches Incorrect size needle. Improper threading. Loose upper thread tension. Pulling fabric. Light pressure on presser foot. Loose presser foot. Unevenly wound bobbin. Nicks or burrs on shuttle. Nicks or burrs at hole of needle plate. Choose correct size needle for thread and fabric. Rethread machine. Tighten upper thread tension. Do not pull fabric; guide it gently. Increase pressure on presser foot. Reset presser foot. Rewind bobbin. Replace shuttle, or polish off burrs completely. Replace needle plate, or polish off burrs completely. Breaking Needle Pulling fabric. Incorrect size needle. Incorrect setting of needle. Loose presser foot. Do not pull fabric; guide it gently. Choose correct size needle for thread Reset needle. Reset presser foot. and fabric. Bunching Thread of Upper and lower threads not back under presser foot before starting seam. drawn When starting a seam be back of presser foot about are formed. sure 4" to draw both and hold until threads a few under stitches and Puckering Incorrect thread tension(s). Light pressure on presser Using two different sizes of thread. Bent or blunt needle. foot. or kinds Reset thread tension(s). Increase pressure on presser foot. Upper thread and bobbin thread Insert new needle. should be same size and kind. Loose Fabric presser foot. too sheer or too soft. Reset presser Use underlay foot, of tissue paper. PROBLEM Skipping Stitches Breaking Upper Thread Breaking Bobbin Thread Fabric not Moving Machine Jamming Knocking Noise PROBABLE CAUSE Incorrect size needle. Certain knits and synthetics. Bent or blunt needle. Incorrect setting of needle. Tight upper thread tension. Light pressure on presser foot. Starting to stitch too fast. Improper threading. Tight upper thread tension. Incorrect size needle. Sharp eye in needle. Nicks or burrs on shuttle. Nicks or burrs at hole of needle plate. Improper bobbin case threading. Tight bobbin thread tension. Lint in bobbin case or shuttle. Feed dog down. Light pressure on presser foot. Thread knotted under fabric. Thread caught in shuttle. CORRECTION Choose correct size needle for thread and fabric. Use "Q NEF, I)I,E",_. Insert new needle. Reset needle. Loosen upper thread tension. Increase pressure on presser foot. Start to stitch at a medium speed. Rethread machine. Loosen upper thread tension. Choose correct size needle for thread and fabric. Insert new needle. Replace shuttle, or polish off burrs completely. Replace needle plate, or polish off burrs completely. Check bobbin case threading. Loosen bobbin thread tension. Clean bobbin case and shuttle. Raise feed dog. Increase pressure on presser foot. Place both threads back under presser foot before beginning to stitch. Disassemble and clean shuttle. 4:= O [] Caring for the Machine 1 lever--_ .-,---lever Shuttle Assembly Shuttle Race Cover onted hook Shuttle driver Shuttle Race Fig. 2 CLEANING AND OILING Fig. 1 Cleaning the feed dogs with a brush• To insure the best possible operation of your machine, it is necessary to keep the essential parts clean at all times• Using a small brush, remove the lint that accumulates in the shuttle area and around the feed dogs. Fig. 2 Parts of the Shuttle Assembly To Clean the Shuttle Area: 1. This area must be kept free of dust, lint and occasional tangled thread. Raise the needle bar to its highest point and remove the bobbin case. , Push levers of shuttle race aside and lift shuttle race cover and shuttle out. 3. Clean the shuttle race with small brush. , Put a drop of oil on the center pin of the shuttle and shuttle race. (see arrows) To Replace Shuttle Assembly: , Position shuttle race as illustrated so that shuttle driver...

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