JUKI AMS-221EN Series, Руководство инженера

Страница: 21 / 253

– 17 –
1. Align the edge of the intermediate presser cam with the center of
the engraved point on the main shaft , align the engraved line on
the intermediate presser cam with the engraved point on the main
shaft , and tighten the setscrew .
o Stitch skipping and poor tense
stitch may occur.
1. Adjust the thrusting distance of the intermediate presser bar to
13.5 mm, and tighten the setscrew after ensuring that the needle
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).
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 or intermediate
p r e s s e r b a r c o n n e c t i n g
resulting in malfunction.
Adjustment Procedures Results of Improper Adjustment
Adjustment Procedures Results of Improper Adjustment