Upper Feed Dog (1) - Janome MC8900 QCP Service Manual

Upper feed dog (1)

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".
View from the belt cover side
Upper feed link shaft
Even with the bed
View from the base cover side
Mechanical adjustment
Upper feed adjusting dial
Upper feed lower
shaft rear arm
2.5 mm
Setscrew A
To check:
1 Remove the belt cover and base cover (see page 1
and 2).
2. Turn the power switch on and select straigh stitch (D1).
Turn the drop feed lever to drop the feed dog.
Press the adjusting key and set the stitch length at "0".
3. Turn the upper feed adjusting dial to set the dial at "0".
4. Press the needle up/down button twice to raise the
needle.
Turn the power switch off.
* In order to initialize the feed dog position, press the
needle up/down button twice and reset the needle
position even though needle position is set at raised
position.
5. Check if the clearance between the upper feed link
shaft and upper feed lower shaft is 2.5 mm.
Upper feed
If not, follow the procedure on page 27.
lower shaft
To adjust:
1 Loosen the setscrew A on the upper feed adjusting arm.
Adjust the clearance between the upper feed link shaft
and upper feed lower shaft to 2.5 mm.
Tighten the setscrew A.
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