JUKI AMS-221EN Series Engineer's Manual page 21

Adjustment Procedures
1. Align the edge of the intermediate presser cam
the engraved point on the main shaft
the intermediate presser cam
shaft , and tighten the setscrew
Adjustment Procedures
1. Adjust the thrusting distance of the intermediate presser bar
13.5 mm, and tighten the setscrew
passes through the center of the intermediate pressure.
(Caution) Be aware that the tightening pressure of the setscrew
should be from 2.16 to 2.75 N•m (22 to 28 kgf•cm).
with the center of
, align the engraved line on
with the engraved point on the main
.
after ensuring that the needle
– 17 –
Results of Improper Adjustment
o Stitch skipping and poor tense
stitch may occur.
Results of Improper Adjustment
to
o An excessive thrusting distance of
the intermediate presser bar
may damage the intermediate
presser spring or cause poor
presser lifting.
o Excessive tightening pressure
may deform the intermediate
pressure bar
p r e s s e r b a r c o n n e c t i n g
resulting in malfunction.
or intermediate