Differential Feed Ratio - ELNA easy cover Service Manual

A
B
q
w

12. Differential Feed Ratio

The main and sub feed dogs should move uniformly
together when the stitch length dial is set at 3 and
differential feed dial at 1.0.
z Remove the belt cover.
x Set the stitch length dial at 3 and differential feed dial
at 1.0.
c Turn the adjusting screw q to adjust the differential
feed ratio.
• If the sub-feed dog moves less than the main feed dog
does, turn the adjusting screw in the direction of A.
• If the sub-feed dog moves more than the main feed
dog does, turn the adjusting screw in the direction of B.
NOTE:
When the differential feed ratio is properly adjusted, the
feed link w sits horizontally.
v Attach the belt cover.
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