valutazioni - 3, GPA: 4.3 ( )

Produttore : Sears File Size : 1.3 mb File Nome : Lingua di insegnamento:

Stop sewing at the right stitch• 6. a. b. c. Set the stitch selector at r_ m m Sew4 to 6 stitches. Stop sewing at the left stitch• 7. Remove the fabric and open with the buttonhole cut the hole opener• NOTE: When sewing at the edge of fabric, set sliding buttonhole foot as illustrated and sew in reverse( bl-->r_-_l_,_ ). _ m m UI I,_d u 6_d SECTION 4. PERFORMANCE PROBLEMS CHART What to Do When PROBLEM PROBABLE CAUSE CORRECTION Incorrect size needle, Choose correct size needle for thread and fabric, Improper threading, Rethread machine, Loose upper thread tension. Tighten upper thread tension. Irregular Stitches Pulling fabric. Do not pull fabric; guide it gently. Loose presser foot, Reset presser foot. Unevenly wound bobbin, Rewind bobbin. Nicks or burrs at hole of needle plate. Replace needle plate, or polish off burrs completely. Pulling fabric. Do not pull fabric; guide it gently. Incorrect size needle. Choose correct size needle for thread and fabric. Breaking Needle Incorrect setting of needle. Reset needle. Loose presser foot. Reset presser foot. Upper and lower threads not drawn back When starting a seam be sure to draw both threads under and Bunching of Thread under presser foot before starting seam. back of presser foot about 4" and hold until a few stitchs are formed. Incorrect thread tension(s). Reset thread tension(s). Using two different sizes or kinds of thread. Upper thread and bobbin thread should be same size and kind, Puckering Bent or blunt needle. Insert new needle. Loose presser foot. Reset presser foot. Fabric very sheer or very soft. Use underlay of tissue paper. SECTION 4. PERFORMANCE PROBLEMS CHART PROBLEM PROBABLE CAUSE CORRECTION Incorrect size needle. Choose correct size needle for thread and fabric. Bent or blunt needle. Insert new needle. Skipping Stitches Incorrect setting of needle. Reset needle. Tight upper thread tension. Loosen upper thread tension. Starting to stitch too fast. Start to stitch at a medium speed. Improper threading. Rethread machine. Tight upper thread tension. Loosen upper thread tension. Breaking Upper Thread Incorrect size needle. Choose correct size needle for thread end fabric. Sharp eye in needle. Insert new needle. Nicks or burrs on shuttle. Replace shuttle, or polish off burrs completely. Nicks or burrs at hole of needle plate. Replace needle plate, or polish off burrs completely. Breaking Bobbin Thread Improper bobbin case threading. Lint in bobbin case or shuttre. Check bobbin case threading. Clean bobbin case and shuttle. Darning prate in place. Remove darning plate. Fabric not Moving Stitch Length set at O. Thread knotted under fabric. Adjust Stitch Length Control. Place both threads back under presser foot before beginning to stitch. Machine Jamming Knocking Noise Thread caught in shuttle. Lint in bobbin case or shuttle. Disassemble and clean shuttle. Clean bobbin case and shuttle. SECTION 5. CARE FOR THE Replacing the Light Bulb TT 1. Unplug the machine and open the face cover. CAUTION! The light bulb could be HOT. Protect your fingers when you handle it. 2. Push the bulb up and turn the bulb counter*clockwise to remove it, 3. Put the new bulb in by pushing it up and turning it clockwise. MACHINE Cleaning the Machine To insure that your machine operates at its best, you need to keep the essential parts clean at all times. The feed dogs and shuttle race areas can attract dust and lint. Your machine can become sluggish or knock loudly if a thread is caught. Check and clean those areas about every three months under normal use. If you sew frequently, clean more often. Clean the Feed Dogs Follow these directions: 1, Unplug the machine. Remove 2. Use a lint brush to clean the feed 3. Replace needle plate. presser foot and needte. dogs. Using a screw driver, remove needle plate. SECTION5. CAREFORTHE MACHINE • Clean the Shuttle Race This area must be kept about every three months. free of dust, lint and occasional tangled thread. Clean the shuttle race area Center pin of the shuttle Shuttle driver Lever Lever Lever hurtle case To Clean the Shuttle Area: To Replace Shuttle Assembly: 1. Raise the needle bar to its highest 1. Position shuttle race as illustrated so that shuttle point and remove the bobbin case. driver is forming half moon on the left side of the machine. 2. Push shuttle race levers aside. Lift shuttle race cover and take shuttle out. 2. Hold shuttle by center pin and position shuttle so as 3. Clean the shuttle race with a llnt to form a half moon on the right side. Pointed hook brush. will be on the bottom. 3. Place shuttle race cover into place over shuttle the shuttle and shuttle race. Do not assembly. over-oil. 4. Put a drop of oil on the center pin of 4. Snap the levers back into the original position. SECTION 5. CARE FOR THE MACHINE Oiling the Machine Oil the machine in all areas shown on this page at least once a year; otherwise the machine can become sluggish or will knock loudly. If you use the machine frequently, oil the machin...

Scarica la tua

Per scaricare, digitare 2 cifre :