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The procedure is the reverse of "(1) Changing procedure to bottom feed and the adjustment".
Loosen hinge screw
❶
, move needle bar rocking rod
❷
from needle rocking rod fixing base
❸
to needle bar
rocking rod arm
❹
, and fix it with hinge screw
❶
.
Replace the feed dog, the throat plate and, the presser with the components for needle feed.
Loosen setscrews
❾
and
(2 places) in sprocket
. Loosen the setscrews in the order of
and
❾
. At
this time, remove the setscrew
❾
which is put in screw hole
C
, and put it in screw hole
A
which is located
on the opposite side at 180˚.
(Fig. b)
Turn the pulley by 180˚ without turning the hook driving shaft, align the flat section of the hook driving shaft
with screw hole
A
in sprocket
, and fix with setscrews
❾
. It is the standard that screw No. 1
in hook
driving shaft rear bearing
aligns with the flat section of the hook driving shaft.
(Fig. a)
Then fix screw No. 2
which is put in screw hole
B
in sprocket
as well.
(2) Changing procedure to needle feed and the adjustment
