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Select the Tucker from the box of attachments, compare it with Fig. 49 and note the names and uses of the various parts, as follows:
The Tuck Guide, which is adjustable and may be set for any desired width of tuck.
The Tuck Scale, containing figures which indicate different widths of tucks. The tuck scale also acts as a smoother blade, keeping the tucks of uniform width.
The Tuck Guide Adjusting Screw, by means of which the tuck guide may be set at any point on the tuck scale.
The Space Scale, containing figures on the upper blade which indicate the width of the space between tucks. The middle or grooved blade contains a groove into which the material is pressed by the spur at the end of the lower or spur blade, thus marking the goods for the folding of the next tuck.
The Space Scale Adjusting Screw, by means of which the space scale may be set at any desired point.
The Marking Lever, which presses on the grooved blade, marking the material as it passes between the grooved and spur blades.
The only place on the Tucker that requires oiling is the stud on which the marking lever works. See Fig. 51. One drop of oil occasionally is sufficient. Careless oiling will result in oily blades and soiled material. When the marking lever does not move up and down freely it requires oiling. If neglected, it may become so dry that it will stay down and cause a drag on the material instead of lifting freely as the mark is made.
Raise the needle bar to its highest position, remove the presser foot from the machine and attach the Tucker in its place. Care should be taken to see that the Tucker is securely fastened to the presser bar and that the needle goes through the center of the needle hole. Note the position of the marking lever, making sure that it is in the lower position and that the needle clamp works on it as the machine sews.
The width of the tucks and the space between them is determined by the adjustment of the scales. Adjustment for width of tuck is made by loosening the tuck guide adjusting screw, which allows you to move the tuck guide to the desired figure on the tuck scale. The tuck guide should be set just over the figure you wish to use. The adjusting screw should always be well tightened.
To adjust the width of space between the tucks loosen the space scale adjusting screw and move the space scale until the desired figure is directly in a line with the center of the needle hole. You will find a line in front and back of the needle hole to indicate the center.
Before starting to sew, tighten the screw firmly to prevent the scale shifting when the Tucker is in operation.
The figures on the tuck scale indicate the width of tuck in eighths of an inch, the marks between figures are sixteenths. The marks on the space scale are double the width of those on the tuck scale, so that when both scales are set at the same figure, blind tucks without spaces between them are made.
To make space between tucks, first set the tuck scale, then move the space scale to the same number and as much farther to the left as you wish to have space. Each number on the space scale represents one-quarter of an inch and each mark hetween numbers one-eighth of an inch.
Use the table below to assist you in setting
the Tucker.
| TUCK GUIDE | SPACE SCALE |
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| 1/8 " | tucks | with | no | space | 1 | 1 |
| 1/8 " | " | " | 1/8 " | space | 1 | 1.5 |
| 1/4 " | " | " | no | space | 2 | 2 |
| 1/4 " | " | " | 1/4 " | space | 2 | 3 |
| 1/2 " | " | " | no | space | 4 | 4 |
| 1/2 " | " | " | 1/2 " | space | 4 | 6 |
| 1 " | " | " | no | space | 8 | 8 |
Fold and crease the first tuck for its entire length by hand, insert it in the Tucker from the left, placing it between the grooved blade and the spur blade of the space scale, and between the two blades of the tuck scale. See Fig. 51.
Care should be taken to see that the material is placed far enough in the Tucker to feed against the tuck guide. Draw the material towards you until the edge is directly under the needle. Lower the presser bar and sew. You will note that the Tucker is making a mark for the next tuck.
When the first tuck is finished, fold the material on the mark made by the spur during the sewing of the first tuck and insert the folded edge in the Tucker. It is most important to see that the first tuck is against the inside of the spur. After lowering the presser bar, raise the material slightly and adjust it until the folded edge is just touching the guide and the preceding tuck is against the spur. This insures even tucks.
April 30, 1997
