Bernina 730 Support Question
Bernina 730 Support Question
Find answers below for this question about Bernina 730.Need a Bernina 730 manual? We have 1 online manual for this item!
Question posted by billdizy on September 1st, 2014
Upper Tension
I can't seem to keep the upper tension. The machine sews well for an inch or two then the tension is released and I get big loops under the material and it catches on the shuttle. The tension adjustment is almost at maximum tension
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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 2
...
Page
Gathering the Material
39
Automatic Buttonhole Sewing
40
Buttonhole with Cord Inlay
45
Buttonhole Sewing without Automatic
46
...Sewing Darning Feller Hemmer Gathering Foot Edger
Zipper Sewing Foot Zigzag Sewing
Elastic Sewing of Machine Troubles; how to Model 730)
53
Adjustment for Automatic Ornamental Stitch
Sewing
56
Blindstitch Sewing
57
Tucking
59
Hemstitch Sewing...
Manual - Page 3
... STECKBORN / Switzerland
agt":.
only after instructions
have been given)
Validity of Agent
..... ..... GEGAUF LTD.
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 the terms listed ...
Manual - Page 4
...the System no. 705 arc used. BERNINA SEWING MACHINE FACTORY STECKBORN Switzerland GEGAUF LTD. Terms of ...machine to the BERNINA representative next to faulty material and / or wirkmanship arising during five years in the machine, and during two years in the motor of the machine. The Guarantee is valid only towards the first buyer of the BERNINA Model 730, 731 or Model 732 Sewing Machine...
Manual - Page 7
... to have it out from the case.
There is a drawing on its upper arm and take it at hand, ready for use at any time, if the machine should be advisable to keep the packing material which is applicable /or both Models 730, 731 and 732, with the exception of the handwheel, as you...
Manual - Page 9
...
14 Flap-plate covering spooling device
15 Handwheel
18 Handwheel release
17 Needle displacement lever (left - Fig. 2 shows a l3ERNINA-Record Sewing Machine, Model 730 (knee operated). The controls referred to in the Operating Instructions being marked and indentified.
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...
Manual - Page 12
...far as possible, the machine can be adjusted with a socket for being able to the right, respectively the
10 The farther the knee starter lever 24 im pressed to sew with your home, or...part
The drive of the BERNINA-Record, Model 730 (731/ 732), is functioning by a slight pressure on the tread thereof. With knee lever operated machines motor and rheostat control are concealed beneath the ...
Manual - Page 13
...From time to enable an even distribution of light over the entire sewing area, completely free from any glare. with the
current lamps. Turn... Practise speed control several times without threading the machine.
Care of the motor
a) Lubrification
The motor has friction bearings, by pressing the light button 6. Now the upper carbon brush support becomes visible. After having screwed ...
Manual - Page 18
...double thread tension 8 is
then up again through needleeye itself from slot 44.
The central tension disc is protruding
45
somewhat from front to needle.
arranged. When sewing with one
... needle holder eyelet 45, and finally through slot of arm, then into the tension properly speaking. Threading the Upper Thread (Fig. 11 and 12)
With BERNINA threading is done in their upmost...
Manual - Page 19
... under thread (Fig. 14)
Before sewing can be changed for special purposes wished for control. If the marked line is not necessary. With thumb and forefinger of the adjusting disc 9 the thread tension can be started, the under thread should be weaker. Turn handwheel with one above . Tighten upper and under thread slightly and...
Manual - Page 24
...enough for plain stitches.
3.
For this reason the BERNINA-Record, Models 730,731 and 732, are equipped with upper thread from front to release the clamping boss 53 completely.
Insert zigzag foot. Now raise clamping boss ... feet. The plain stitch
For plain stitching adjust the machine as follows:
1. If you intend to sew quite a lot of seams with plain stitching, it can be put on...
Manual - Page 25
...-up lever to the position of the stitch regulator lever 22, the machine will release the upper thread tension and the working piece can be turned, respectively tightened or loosened. This will sew forward or backward, form- Forward and backward sewing serves to strengthen certain sewing areas and to ensure that the zero mark becomes visible on...
Manual - Page 35
... of the needle being set on sewing.
5. Most zigzag sewing is used as well as regards the stitch width, as also their length. Adjust stitch regulator 22 onto two wished for..., while the sewing machine is generally set the machine as hereunder. Of course all intermediate sizes can be mistaken for
stitch length.
6. For the production of zigzag foot.
4. Thread upper and under thread...
Manual - Page 43
... case is threaded as follows: Draw the upper lever 19 which is marked with a buttonhole symbol with the fixed stops on sewing machine stand. To engage thebuttonhole device proceed as ... get hold of zigzag knob 18 will be adjusted as possible.
6. Adjust stitch position regulating knob 17 tsee 21.
After the stop pln I. bol » sewing 3. Draw zigzag knob grip lever 18 downwards,...
Manual - Page 58
...sewing an ornament, the ornamental stitch symbol is moving inside the machine and passes this symbol can be seen (see fig. 77). At the front side of the ornamental stitch is beginning to the right, near the tension... to stitch a new ornament. THE ORNAMENT INDICATOR
The BERNINA-Record of the Model 730 and 731 has been equipped with a mark. It will be clearly observed when it is now...
Manual - Page 62
... the thread of left tension disc, down to thread tension regulator 4, and up again through eye of the machine for pintucking, proceed aS for normal sewing. From there through thread tension regulator up to needle holder eyelet and finally through slot of thread take-up lever and into the slit of machine arm. Both threads should...
Manual - Page 64
... to work not only thin, but also medium-thick and thick kinds of the sewing machine.
1.
As upper thread use equally darning or fine embroidery thread (f.i.
with the patented double needle, using the BERNINA zigzag sewing machine, Models 730, 731 and 732;
2. Hemstitch sewing with the patented double hemstitch needle genuine hemstitches can be made : 1. Threading is...
Manual - Page 73
...stitches should be slightly stronger than that of the upper thread, so that the guide pin of the slide...sewing around the guide pin at the same regular speed in the recess of the guide pin just beyond the edge of the material.
Then allow the machine to previously mark the holes on the lower face of the material. Then set into left position.
Then place the material under thread tension...
Manual - Page 75
The causes of upper thread breaking may have a cause only a competent sewing machine mechanic can be exactly in front; Long groove must always
be :
a) Under thread tension too tight:
b) ... damaged by too long storage. Always use hard instruments, such as otherwise the shuttle race might get damaged. e) Upper tension thread is damaged.
3. el Bobbin is
not the right one (see table on...
Manual - Page 76
... the shuttle is deformed and jamming in perfect relation together;
5. use of thread of the following causes:
a) needle holder screw not securely tightened; b) upper thread tension too tight; f) during sewing do not pull the material too hardly towards the front, after having knots;
ser foot towards the back.
6. Always remove the material from the machine by pulling...
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