Chapter 1 - General Information; Safety Regulations - Bernina 330 Service And Maintenance Manual

Chapter 1 – General information

1.1 Safety Regulations

Attention!
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).
However, servicing-related work can be carried out in Service Program when the machine is powered.
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 machine must
be in good mechanical and electrical condition (running smoothly, properly lubricated and all leads
connected)!
When adjustments are carried out in the correct order, the machine will function flawlessly.
It is important that only devices approved and distributed by BERNINA® are connected to the machine 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 with snap-on sole 1
• Bobbin
• Other accessories
The Service Manual and Instructions are protected by copyright laws. It must only be used by authorised
dealers. It is prohibited to disclose the service manual to unauthorised third parties.
This Manual is subject to revisions without notice. The recipient is responsible for updating the information
provided by BERNINA International AG, Steckborn, Switzerland.
This service manual is only available in electronic format. It can be downloaded from BERNINA Infogate at
http://infogate.bernina.com under 'Service Manual' in the 'Tech. Service' register.
If you don't have access to Infogate, contact your local BERNINA importer. They'll be glad to be of
assistance.
Masthead
Author: Jürg Tobler
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BERNINA International AG · Seestrasse 161 · CH-8266 Steckborn · Switzerland