12
7. Needle to Looper Timing
When the point of the looper meets with the right side of
the needle on the right, the needle bar rises 1.3-1.5 mm
from the lowest position.
z
Remove the free arm cover and needle plate.
x
Replace the right needle with the long test pin
(30.24 mm long)
q
.
c
Turn the handwheel toward you until the looper
point
w
meets with the right side of the test pin.
v
Loosen the setscrews
e
and turn the looper rocking
cam
r
to match the looper point with the tip of the
test pin.
• If the timing is too early
t
, turn the cam in the
direction
A.
• If the timing is too late
y
, turn the cam in the
direction
B.
b
Tighten the setscrews
e
firmly.
n
Replace the test pin with a regular needle.
Attach the needle plate and free arm cover.
q
w
e
r
t
y
A
B