[19]
Lubrication
1. Attach the wick base A O to the upper surface of
the arm with the two screws
O.
When doing this
insert a
string
from the needle
bar
bracket
support
shaft in the wick base A
O-
2. Attach the wick base B O to the upper surface of
the
arm
with the two screws
O-
[|
Needle
sidewise
movement
adjustment
Engage the clutch, loosen the two screws and turn the pulley until the needle bar is at the lowest position.
Match
up the
ticking
ofthe
needle
zigzag
linkO
with
the
ticking
ofthe
needle
zigzag
cam and then
tighten
the two screws
O-
Set the feed cam for inside bar tacking, and confirm that the left and right needle movement on the needle plate
surface is 0 mm when the pulley is turned and the needle is oscillated all the way in the needle holle.
0
mm
V////////
Needle
plate
surface
[U Needle zigzag
reference
position
adjustment
1. Turn the needle zigzag adjustment screw O to
adjust
the distance from
the
end
of the
arm
to
the
end of needle position regulating arm O to 20 mm
when the needle is at the lowest needle bar position
on
the
needle
position
A side.
-36-
o
20
mm
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