20
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 (see page 3).
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 clockwise.
If the sub-feed dog moves more than the main feed
dog does, turn the adjusting screw counterclockwise.
NOTE:
When the differential feed ratio is properly adjusted, the
feed link
w
become horizontal.
v
Attach the belt cover.
w
q
Summary of Contents for CoverPro 3000 PROFESSIONAL
Page 3: ......
