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.
Содержание HQ Stitch 710
Страница 1: ...Service Manual 05 29 18 HQ Stitch 710...
Страница 18: ...Oil Put a drop of oil on the following 1 The presser bar at the bottom bushing inside the left hinged cover 15...
Страница 24: ...Oil Put a drop of oil on the following 7 The hook felt under the needle plate and the bobbin case 21...
Страница 92: ...Appendix II Diagnostic Tests 89...