8
9. Differential feed adjustment
Correct positon : On condition diff.lever "N" position and stitch length dial "4",
main feed dog(rear) and sub feed dog (front) move same length.
Differential feed
adjuating lever
Differential feed
positining ratchet
Screw
Stitch length
Sub feed dog
(front)
Main feed dog
(rear)
How to adjust
a) Set differential feed adjuating lever at “N” position.
b) Loosen two screws of A.
c) Adjust highteness of B and C.
d) Tighten two screws.
e) Make sure main feed dog and sub feed dog move same length.
Connecting
shaft
Two screws A
B
C
B
C
Same hightness