About these instructions
Service Instructions 878-M PREMIUM - 03.0 - 10/2019 5
1 About these instructions
These instructions have been prepared with utmost care. They contain
information and notes intended to ensure long-term and reliable operation.
Should you notice any discrepancies or if you have improvement requests,
then we would be glad to receive your feedback through Customer
Service ( p. 117).
Consider the instructions as part of the product and store them in a place
where they are readily available.
1.1 For whom are these instructions intended?
These instructions are intended for:
• Specialists:
This group has the appropriate technical training for performing
maintenance or repairing malfunctions.
With regard to the minimum qualifications and other requirements that must
be met by these personnel, please view the chapter on Safety ( p. 9).
1.2 Representation conventions – symbols and characters
Various information in these instructions are represented or highlighted by
the following characters in order to facilitate easy and quick understanding:
Proper setting
Specifies proper setting.
Disturbances
Specifies the disturbances that can occur from an incorrect setting.
Cover
Specifies which covers must be disassembled in order to access the
components to be set.
Steps to be performed when operating the machine (sewing and
equipping)
Steps to be performed for service, maintenance, and installation
Steps to be performed via the software control panel