JUKI MB-1373 Engineer's Manual page 15

Adjustment Procedure
At the time of stop-motion of the machine, adjust so that a clearance of
0.8 mm is provided between stitch adjusting roller
stitch adjusting cam
stop-motion disc and tighten setscrew
Adjustment Procedure
When the machine finishes sewing and stops, adjust it so that stop-
motion disc latch comes into contact with stop-motion hook
(Caution) To change the number of revolutions from 1300 rpm to
1500 rpm by changing the motor pulley, be sure to re-
adjust the stop-motion position without exceptions.
1. If stop-motion hook
back (i.e., when a gap is left between latch
hook ):
Loosen stop-motion position adjusting screws
locations), and rotate stop-motion adjusting cam
adjust it so that the stop-motion disc latch comes into contact with
the stop-motion hook. Then, tighten stop-motion position adjusting
screws .
2. If the stop-motion hook stops before the stop-motion disc latch is
reached:
Loosen stop-motion position adjusting screw
locations), and rotate stop-motion adjusting cam
adjust it so that the stop-motion latch comes into contact with the
stop-motion hook. Then, tighten stop-motion position adjusting
screws .
when stop-motion hook
.
A
hits against the stop-motion disc and bounces
and the dent in
comes in contact with
.
and stop-motion
(one each at two
in direction A to
(one each at two
in direction B to
– 11 –
Results of Improper Adjustment
Results of Improper Adjustment
o If the stop-motion impact is exces-
sive, adjust stop-motion adjusting
cam in direction A. If the ma-
chine stops before the stop-motion
position is reached, adjust cam
in direction B.