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Bernina 730 Support Question

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Question posted by Bablettes on May 8th, 2014

My Bottom Thread Is Really Loose. Tried What I Know To Do. Please Assist

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Related Bernina 730 Manual Pages

Manual - Page 1

BERNINA SEWING MACHINE FACTORY STECKBORN / Switzerland GEGAUF LTD. MIllanMj BERNINA Model 730, Bernina-Record Automatic Zigzag Sewing Machine with automatic ornamental stitch device Model 731 Automatic Zigzag Sewing Machine with automatic ornamental stitch device Model 732 Automatic Zigzag Sewing Machine without automat ic ornamental stitch device FR.

Manual - Page 3

a A'4,tM Ui CERTIFICATE OF GUARANTEE for the BERNINA Sewing Machine Model 730/731/732 No.. (Please quote in all your correspondences) Terms of guarantee overleaf (This certificate should be signed on the basis of Guarantee Machine: Five years, thus until . „ , . only after instructions have been given) Validity of the terms listed overleaf. FR. BERNINA...

Manual - Page 4

... motor of electric bulb a.s.o. This Guarantee does not apply if the buyer does not treat the machine in the right way, as cable breaking, burning out of the BERNINA Model 730, 731 or Model 732 Sewing Machine supplied by us are not covered by faulty packing are exiuded from this Guarantee. This Guarantee does...

Manual - Page 9

...2 shows a l3ERNINA-Record Sewing Machine, Model 730 (knee operated). medium position right) 18 Plain stitch, zigzag, and buttonhole sewing control knob 19 Closing push.... 1 Cover plate 2 Needle plate 3 Needle holder 4 Thread tension regulator 5 Face plate 6 Light switch 7 Take-up lever 8 Thread tension and thread guide 9 Thread tension control plate 10 Sight hole for tension control 11 Sight...

Manual - Page 10

The controls referred to in the Operating Instructions being marked and identified. 9 10 11 12 13 14 15 8 7 6 BERNINA 5 4 3 1. • 16 17 18 19 20 21 22 23 26 25 24 Fig. 2a shows a BERNINA Sewing Machine, Model 731 (knee operated).

Manual - Page 11

... 24 Knee control lever 25 Free arm 26 Bed _Plate Fig, 3 shows a BERNINA Sewing Machine, Model 732 (knee operated), whereon the controls referred to in the Operating Instructions are...1 Cover plate 2 Needle plate 3 Needle holder 4 Thread tension regulator 5 Face plate 6 Light switch 7 Take-up lever 8 Thread tension and thread guide 9 Thread tension control plate 10 Sight hole for tension control 11...

Manual - Page 17

... hand, so that the needle should never be at its highest. Needle and Thread Table Needle System 705 I Sewing thread Needle Size ,Sdz-ulY (unglazed) Three-WY (unglazed) 60 170-200 70...In order to accommodate the thread, using tothisintent the table on the BERNINA-Record, Model 730, 731 and 732. and 6-ply, unglazed For darning: Nos. 50-80, 2-ply For zigzag sewing: Nos. 60-90, ...

Manual - Page 19

... handwheel with one above the other, the perfect thread tension is right above . Thread tension (Fig. 13) BERNINA offers the unique advantage that the thread tension must never be changed . Only two marked lines are set when the mobile marked line is attained. - With BERNINA sewing machines a numbered scale is moving to needle. If the...

Manual - Page 20

... scissors are not at hand. 18 Ftt.i6 17 1 1, Thread cutter The pressure foot holding device on the right of the carrying case and held on table 46 is placed upright. This small gadget helps to the right. Below on the BERNINA Sewing machines is provided, by means of action or set, ready...

Manual - Page 22

... front of the free arm, you will drain off unused and may cause your machine before sewing and not afterwards. To oil the machine 20 f 2o The sewing machine should be oiled frequently, but only lightly - Always oil your machine to keep the machine running freely. The use of oil are sufficient to jam when the oil...

Manual - Page 23

... points not visible in the bearings to become liquid again. '2! Os • V 2L When the machine has been kept in a cold room, it should be opened and placed in a warm room about an...allow the oil in the figures 20 and 21 are indicated with red colour on the machine itself. Expert oiling guarantees the silent running of the sewing machine and increases its durability. WWWWWWWW I III-

Manual - Page 35

... stitch adjusted in centre position, while the sewing machine is used as well as regards the stitch width, as also their length. Most zigzag sewing is done with central needle deflection as hereunder. For the production of the zigzag stitch (fig. 36b, right position). or 3-ply threads; Adjust stitch regulator 22 onto two wished...

Manual - Page 42

... \Ow 20 without , turning the cloth around. b) The buttonhole with a special threading of the under thread has to sew the whole buttonhole in one single working operation, i.e. c) The raised buttonhole. It will, however, be well to learn sewing buttonholes step by step, the machine being stopped after a little time you will naturally be able to...

Manual - Page 43

... 21. hole device is marked with a buttonhole symbol with the fixed stops on the zigzag lever ]8. Now the machine is pushed up-wards as far as follows : 1. For normal sewing the bobbin case is threaded as follows: Draw the upper lever 19 which is now engaged in this instruction booklet .on page 12...

Manual - Page 60

... will make the seam invisible on the thickness of material. Adjustment of sewing machine for sewing with the blindstitch cam Whereas, when blindstitching with the normal zigzag stitch,...guide ® Right position of needle stitch 58 After having threaded the machine, put the lower flat piece of stitch. c) Set lever 12 on "sewing" symbol. f) Set stitch length regulation lever 22 on ...

Manual - Page 64

... resembling hemstitch can be made , which are known as to the choice of threads to work not only thin, but also medium-thick and thick kinds of the sewing machine. 1. Hemstitch sewing with the patented double needle, using the BERNINA zigzag sewing machine, Models 730, 731 and 732; 2. In this manner it is done in the well...

Manual - Page 67

... (see Operating Instructions). 2. After having brought up the under thread, lay the fabric under the presser foot and sew a straight seam as a one-needle hemstitch. Hemstitch sewing with the patented double needle on BERNINA zigzag and plain stitch sewing machines with lefthand twist As lower thread use f.i. In both cases the stitch length regulation lever should...

Manual - Page 69

... hands slowly and steadily along the designed initials, without an embroidery frame. For the upper thread take embroidery yarn no . 70. Lower sewing foot. d) Thread the machine. - Embroidering with feed dog lowered and guiding the embroidery frame by the machine. f) Adjust the width of stitch (zigzag width) according to the fineness of the fabric a correspondingly...

Manual - Page 75

... not the right one (see table on bobbin; Never use needles of upper thread breaking may be started with ; c) needle not correctly set . Thread should always be the following: a) The use for a long time, thread breaking may have a cause only a competent sewing machine mechanic can easily be caused by the needle and requires re-polishing...

Manual - Page 77

... troubles. This precaution will be too tight or too loose (ask the expert !) ; b) the sewing machine has been idle for some time and subsequently the machine should be demounted and cleaned (ask the expert!). Modifications of construction as possible. that after every sewing operation the thread take-up lever is raised to the presser foot, place...