2.8
Feed foot and material presser foot
2.8.1
Feed foot and material presser foot stroke
Caution: Danger of injury!
Turn off the main switch.
Only check and adjust the sewing feet stroke when the machine is
switched off.
Standard checking
The strokes of the two sewing feet should be the same height when
the adjustment wheel 5 for the sewing foot stroke setting is set to “3".
–
Set stitch length to “0".
–
Set the average sewing foot pressure.
–
Set the sewing foot stroke on the adjustment wheel 5 to “3".
–
Unscrew the feed dog.
–
Put a plate (3 mm) under the sewing feet.
–
Turn the hand wheel and compare the strokes of sewing feet 1
and 2.
The stroke of the material presser foot 1 and the feed foot 2
should be the same height.
Correction
–
Unscrew the arm cover.
–
Turn the hand wheel to position “0°”.
–
Undo screw 3.
–
Press feeder foot 2 right down onto the throat plate.
–
Tighten screw 3.
–
Screw the arm cover back on.
–
Turn the adjustment wheel to setting “3".
–
Check whether both strokes are the same height.
If not correct the setting.
26
2
1
3
5
Summary of Contents for M-Type 869
Page 4: ......
