Bernina aurora 435 - Chapter 1 General Information; Safety Regulations

Servicemanual_aurora_435_450_english_V3_032530.50.04_Korrektur.doc 2
Chapter 1
General information
1.1 Safety Regulations
Caution!
All electrical and electronic components operate at dangerous voltages. Remove the mains
plug before making any adjustments to the machine. Wait about 30 seconds after removing the
plug (capacitor discharge).
This service manual for the aurora 435 / 450 is a supplement to the manuals for aurora 430 /
440 (031940.50.04) and the artista 630 / 640 (032069.50.04).
A cross reference to the manuals 430 / 440 / 630 / 640 can be found in chapter 4.
This service manual is intended to help with minor repairs and adjustments.
The instructions do not claim to be complete or comprehensive. The manual does not provide
guidance for complete assembly or disassembly.
Important:
To enable the work described to be performed correctly, the sewing and embroidery computer
must be in good mechanical and electrical condition (running smoothly, properly oiled and all
leads connected)! When adjustments are carried out in the correct order, the
sewing/embroidery computer will function without a problem.
It is important that only devices approved and distributed by BERNINA International AG are
connected to the sewing/embroidery computer ports.
When servicing or repairing, always use genuine parts and original accessories, either those
delivered with the machine or purchased afterwards.
These are the following:
• Mains cable
• Foot control unit
• Buttonhole foot
• Presser foot # 1
• Bobbin case with bobbin
• BSR foot (BERNINA Stitch Regulator)
• Other accessories
This service manual is in copyright matters protected. It may only be used exclusively by the
authorized specialized trade. The passing on to not authorized third parties is forbidden.
This Manual is subject to revisions without notice. The recipient is responsible for updating the
information provided by BERNINA International AG Sewing machine manufacturers,
Steckborn, Switzerland.
Masthead
Author: Hans Peter Horn
Layout/type setting: Hans Peter Horn