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 instructions in detail. 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 relevant Instruction Manual and Parts List together with this Engineer's Manual when
carrying out the maintenance of these machines.
This manual gives the "Standard Adjustment" on the initial page under which the most basic adjustment value is
described, and on the second page "Results of Improper Adjustment" under which stitching errors and troubles
arising from mechanical failure and described together with the "Adjustment Procedures".