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4. Setting the differential feed dog
Requirement:
When the differential feed dog is at its highest operating position with setting “1” and with the stitch length
set “0.5”, the clearance to the main feed dog should be 3.2 - 3.4 mm (fig. 8).
Check:
● Set the stitch length adjustment knob to “0.5”.
● Set the regulator wheel for the differential feed to “1”.
● Turn the handwheel in the normal direction until the feed dog is at its highest operating position.
● Place the adjustment gauge on to the needle plate and check the clearance (measurement H) to the
main feed dog.
Setting:
● Loosen the fastening screw 8.
● Place the adjustment gauge on to the needle plate.
● Push the differential feed dog towards the rear against the adjustment gauge.
● Tighten the fastening screw 8.
Test:
● Carry out a visual check.
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