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Upper feed dog (1)
To check
1. Turn the power switch on and select the straight stitch
#1 ( ). Set the zigzag width at “0”.
2. Lower the feed dog and press the needle up/down
key twice to raise the needle. Turn the power switch
off.
3. Remove the base.
4. Check if the bed and upper feed lower shaft rear arm
are parallel.
To adjust:
5 Set the upper feed adjusting dial at “0”.
6. The clearance between the upper feed link shaft and
upper feed lower shaft should be 2.5 mm. Loosen the
setscrew of the upper feed adjusting arm (1) to adjust
the clearance.
7. Attach the base.
The clearance between the upper feed link shaft and upper feed lower shaft should be 2.5
mm when the upper feed adjusting dial is set to “0”.
Upper feed
lower shaft rear arm
Upper feed connecting link
Upper feed lower
shaft
Upper feed adjusting arm (1)
Setscrew
Bed
Parallel with the bed
2.5 mm
(View from the belt cover side)
Upper feed
lower shaft rear arm
Upper feed adjusting dial
2.5mm