JUKI AMS-221EN Series Engineer's Manual page 2

PREFACE
This Engineer's Manual is written for the technical personnel who are responsible for the service and maintenance
of the machine.
The Instruction Manual for these machines intended for the maintenance personnel and operators at an apparel
factory contains operating instruction in derail. And this manual describes "Standard Adjustment", "Adjustment
Procedures", "Results of Improper Adjustment", and other important information which are not covered in the
Instruction Manual.
It is advisable to use the Input Instruction Manual, relevant Instruction Manual and Parts List together with this
Engineer's Manual when carrying out the maintenance of these machines.
In addition, for the motor for the sewing machine with thread trimmer, refer to the separate Instruction Manual or
This manual gives the "Standard Adjustment" on the former page under which the most basic adjustment value is
described, and on the latter page "Results if Improper Adjustment" under which stitching errors and troubles
arising from mechanical failures and "Hoe to adjust" are described.