4
104 72 79-26
Directions for use
These service instructions are intended to be used by service workshop personnel, or by salesmen who carry
out servicing their own districts. They assume a thorough knowledge of the handling of precision appliances
and accessibility to service tools.
The manual is divided into two sections and covers all service operations and checks which should be carried
out when making a complete overhaul of a sewing machine.
7KHÀUVWVHFWLRQGHDOVZLWKWKHYDULRXVVHWWLQJVZKLFKPXVWEHPDLQWDLQHGWRHQVXUHWKDWWKHPDFKLQHIXQF
-
tions satisfactorily.
The second section covers dismantling and mounting instructions.
The diagrams only give indication as to where the detail or mechanism is located in the machine.
For more detailed information regarding the construction, etc., refer to the diagrams in the spare parts list.
ESD
ATTENTION!
It is of the utmost importance that precautions are being taken in order to avoid damage of the electronics
by electro static discharges ESD (=Electro Static Discharge). To avoid that these errors arise it is important
to handle loose circuit boards in a controlled way.
Always use wrist band 412 23 02-01 when servicing.
