3.2.3 Lifting motion of the feed-dog
Caution: Danger of injury !
Switch off main switch.
Check and adjust lifting motion of the feed-dog only when sewing
machine is switched off.
Standard checking
At needle position “down” the feed-dog must have reached its highest
position.
If the needle moving downwards and the feed-dog moving upwards
reach the throat plate level simultaneously, the adjustment is correct.
–
Set stitch length to “0".
Turn button c ounter-clockwise as far as it will go.
–
Move needle to position “down” by handwheel and check position of
the feed-dog.
Correction
–
Loosen two screws 5.
–
Twist eccentric 3.
The adjustment is correct if the above-mentioned conditions are
fulfilled.
–
For axial fixation press shaft 4 to the right and push eccentric 3 to
the left against the pump.
The lugs 2 of pump r ing 1 must be in the corresponding grooves of
the eccentric 3.
–
Tighten two screws 5 again.
8
1
2
3
4
5
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