Upper Feed Dog Timing
(3 of 3)
(Part 1)
6.
With the two hex screws loosened,
you can now move the dual feed
foot
(the inside part of the foot)
front-to-
back freely.
Move the moving part of the
presser foot until it measures 4mm.
7.
Using step gauge QM39401,
check the clearance between the
dual feed foot and the upper feed
dog. The clearance should be 4mm.
8.
With the gauge in place, tighten the
two 2mm hex screws.
* Do not over tighten the screws *
4
8
QM39401
4mm
This is also 4mm.
