2.3
Bottom feed and stitch adjustment gear
2.3.1
Basic stitch adjustment setting
Caution: Danger of injury!
Turn off the main switch.
Only set the basic stitch adjustment when the sewing machine is
switched off.
Standard checking
When the adjustment wheel 5 is set to “0" the stitch adjuster drive 1
must have as little play as possible.
–
Turn the adjustment wheel 5 to stitch length “0".
–
Check the play on the stitch adjuster drive 1.
Correction
–
Unhook spring 2.
–
Fix the adjustment wheel 5 with the spanner 3.
–
Remove screw 4 and remove the adjustment wheel 4.
–
Turn the shaft 7 to the right with a 10 mm open ended spanner
until the stitch regulator lever 1 has a little play as possible.
CAUTION Risk of breaking!
Do not turn the shaft too far to the right.
The stitch adjustment parts may get jammed and the
maximum stitch length of 9 mm or 6 mm will not
be reached.
–
Set scale 6 to “0".
–
Replace adjustment wheel 5 and fix with screw 4.
–
Check the play on the stitch regulator lever 1.
–
Hook spring 2 on again.
8
7
1
6
5
4
3
2
Содержание M-Type 869
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