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• Position C
• Position D
• Position E
• Position F
Fig. 18: Locking the sewing machine
(1) - Locking opening
(2) - Locking pin
Locking the machine
1. Turn the handwheel until the letter for the desired position is next to the
2. Insert the locking pin (2) through the locking opening (1) into the groove
The letters on the handwheel serve for general orientation. In order to hit
the groove precisely, you may have to turn the handwheel slightly.
Canceling the lock
1. Pull out the locking pin (2).
24
• Setting of the lower toothed belt wheel
• Symmetry of the looper motion
• Looping stroke
• Needle bar height
• not used
• Thread pick-up disk
• Holding position
• 1st screw of the top feed lifting cam in the direction of rotation with
grooves of the pull rod.
• Stroke setting of the top feed foot
①
②
marking (3).
of the adjusting disk.
Work fundamentals
③
(3) - Marking
Service Instructions 610/630 - 00.0 - 10/2014
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