Buttonhole adjustment:
Adjusting the buttonholer isn’t really difficult, but the adjust is very sensitive. Moving the adjusting eccentric too much
will throw the buttonhole so far out of whack, you’ll want to pull your hair out while attempting to get it correct. So
make your adjustment turns very minimal. First we’ll adjust the legs of the buttonhole. We want each leg to match the
other for proper right and left side stitching. Meaning both the rear feeding, and forward feeding of the buttonhole sides
will match equally. Next we’ll adjust the turns of the buttonhole, so we achieve nice round corners.
1. Place all the dials to the buttonhole function. Normally all the settings will go on the red indicators. However, at
this time set the stitch length dial to 6, and the buttonhole dial to the “Off” position. Also leave the power switch to
the “Off” position as well.
2. Remove the front cover by removing the “Singer” emblem, gently work your way around the emblem while prying
the emblem off. Its main holder is at the base of the emblem. (Fig 1)
3. Using a small screwdriver, slip it into the hole where the emblem was, and gently lift the panel outwards. Hold the
reverse lever down while doing this, so the panel will clear and slip over the reverse lever.
4. Locate the adjusting eccentric, shown in the left picture below, and use either your Moto tool, or other method to
inscribe a line in the eccentric and buttonhole feed rod. This will give you a starting point to go back to should you
turn it too much. Adjust the eccentric by turning it up or down, very very little now, until you achieve a balanced
buttonhole. The legs should be equal. Note: test sewing is required with the front panel left off. Now set the stitch
length dial to buttonhole, and turn the buttonhole dial to step 1, make first half of buttonhole, then the second half.
Compare the legs, and adjust as necessary.
Zigzag Stitch, Right Needle Position, 21/2 Width
Power Switch Off, Stitch length to 6, and Buttonhole
dial in Off position.
Adjusting Eccentric Inscribe a line here Adjust Eccentric Balance legs
Turn gently up or down Reference point
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