−21 −
Standard Adjustment
(17) Adjustment to adapt to the overlapped section of the heavy-weight materials
c
Bottom end of
metal is aligned
with 4th engraved
marker line.
1
2
3 (Spring is hooked to this pin.)
4
5
6
7
Adjust the timing of feed rock triangle cam 4 to the
position where the feed dog does not move even moving
the lever up or down when the 4th engraved marker
line of the needle bar (lowest engraved marker line) is
aligned with the bottom end of the metal when the
needle bar goes up.
(Adjust by reversing the standard adjustment of (4) Feed
cam timing (when needle bar comes down).)
8
9
0.9 to 1.0 mm
Conditions : Stitch dial scale : “0”
Turn handwheel to bring needle bar
to its upper dead point.
!0
!1
Top surface of feed dog is aligned
with top surface of throat plate.
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