About this operating manual
Operating manual 171/173 Version 01.0 - 01/2016 3
1 About this operating manual
The operating manual for the special sewing machine 171/173 
was compiled with the utmost care. It contains information and 
notes in order to make long-term and reliable operation possible.
Should you notice any discrepancies or if you have improvement 
req
uests, then we would be glad to receive your feedback.
Please regard the operating manual as part of the product and 
ke
ep it in a safe place where it can be easily accessed. Read 
the operating manual completely prior to using the machine for 
the first time. Only 
pass the product on to third parties together 
with the operating manual.
1.1 Scope of application of the operating manual
This operating manual describes the setting up and intended use 
of the special sewing machine 171/173.
1.2 For whom is this operating manual intended?
The operating manual is intended for:
• Operating personnel: 
This group of employees has been trained in operating 
the machine and can access the operating manual.  
Specifically, Chapter  5 Op
eration is important for this 
group of employees.
• Specialized staff: 
This group of employees has the appropriate technical training 
al
lowing them to perform maintenance on the machine or to 
repair faults. Specifically, Chapter  6 Set-up is important 
for the specialized staff. 
Service instructions are supplied separately.
With regard to minimum qualification
 and other requirements to 
be met by the personnel, please also refer to Chapter  3 Safety 
instructions.