6
Servicing and maintenance
6.1
Overview
This chapter describes the general maintenance work on
the product.
The following steps must be performed only
by qualified personnel.
Further information:
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This chapter contains a description of
maintenance work for the product only. Any
maintenance work on peripheral devices is not
described in this chapter.
Further information:
documentation for the respective peripheral
devices
HEIDENHAIN | VT 121 | Operating Instructions | 7/2020
"Personnel qualification",
Manufacturer's
43