User manual PFAFF 90

[. . . ] PFAFF AG Karlsruhe-Durloch Branch . 1 GR 022 1 2 3 4 5 6 7 Foce cover Take-up lever Thread retainer Spool pins Stitch width dial Needle position lever Bobbin winder 8 9 10 11 12 13 Balance wheel Stop motion knob Stitch length control Reverse feed control Bed slide PFAFF rotary sewing hook 14 15 16 17 18 19 20 Dual-purpose needle plate Sewing foot thumb screw Light switch Needle thread tension Presser bar lifter Needle set screw Sewing toot 2 GR 050 9un?amentats c6 cii /t’tathine Qji2ati , turn it toward you turn the balance wheel enever you have to • Wh ). shown by black arrow (counter-clockwise as htened balance wheel is tig motion knob on the • Make sure stop ing. before you begin sew ric under the unless you have fab a threaded machine • Never run sewing foat. t before you put under the sewing foo ce both threads back • Pla fabric into the machine. [. . . ] The raceway in the sewing hook is the mo st important oiling poi Put one drop of oil int nt. (rom time to time, remove the needle pla te and clean the machi feed with a soft brush. Take out the bobbin case and the bobbin and clean the vicinity of the sewing hook. Before you begin to oil the mechanism under the bedplate and at the needie-bar end of the machine, remove the dir t and lint which has accumulated on these parts. : w:. 23 GR 024 6 3u1 Ckanjij th bifjht 7 The built-in 15-watt sewing light illuminates the area of stitching perfectly. To change the light bulb, remove the face cover, push the bulb into its socket, turn left, and pull out. When inserting sew light bulb, be sure to slide bulb pins into socket slots. Press bulb in cpd turn right. V 7iicoIn tk ac Cco To change the light bulb or oil the parts at the needle-bar end, remove the face cover by pulling it upwards. 7et1tacinf1 9r2t?Cco& Slip tip d into slot e and push face 4 cover up until it snaps into place. GR 029 24 1e 6 Y14 7 111 ‘ $h, ctt 1. Remedy: Push needle up as far as it will go and be sure that the long groove faces toward you, and flat side of shank away from you. Needle Thread Breaks Cause: The above mentioned may cause thread breakage. Machine Feeds lmpropery Remedy: Replace needle at once to prevent further damage. Clip off the corn er of the fabric to facilitate insertion into the hemmer foot curl. Feed fabric so that the raw edge is in line with the left edge of the hem mer foot. If you feed less, the fabric will not be folded twice and the raw edge will show. II GR 004 . 4 Avoid ugly ends by slowing down feeding. To do this, press the fabric against the needle plate on the left side of the foot before you come to the end of the hem. GROO5 30 838 954 Overcasting Edges Machine Setting: A—2 to 4 B—. 4 Overcasting prevents froyed edqes. Use a long wide zigzag stitch and sew edge with the needle taking one stitch into the fabric and the other over its edge (normal tension setting). You may overcast edges after fabric is cut and before the pieces are joined. GR 037 838 954 Butt Seaming r Machine Setting: A 3 or 4 B Two similar pieces of fabric which do not ravel easily may be butted to gether and joined with zigzag stitches. Place the selvaged edges of the remai ning pieces of sheet under the sewing foot so that the abutted edges ore centered under the needle. Join them with close, wide zigzag stitches to obtain a neat and flat seam. Hem raw edges of sheet. -— — . N 31 GR 045 L : GR 055 R 7157 Large holes con be patched quickly. Cut patch square or rectangular so that the grain will match the rest of the fabric. Turn over and trim close to seams. U FR 838 954 Inserting Patches Machine Setting; A—4 I I 838 954 Attaching Lace Machine Setting: A—2 u I I GR 044 You can attach lace edging in one simple operation. [. . . ] and 4, 0 (5/32”) Twin needles ore available for needle distances of 1. 2 (3/64”), 1. 6 (1/16”), 1. 8, 2. 0 (5/64”), 2. 5 (332”), 3. 0, millimeters. 847675 (5 grooves, 1/16” wide each; see ill. ) and a 1. 6-mm twin needle. For narrow cording use cording twin needle with a needle Wider cording is made with cording foot No. 847 671 (3 grooves, 5/64” wide each) and a distance of 2. 0 or 2. 5 millimeters. Cording feet and twin needles, System 130, are supplied on special request and at extra cost. Changing the Needle and the Sewing Foot Bring take-up lever to highest point, loosen needle set screw a, and pull ordinary needle out of needle clamp. [. . . ]