Setup
Operating Instructions 878-M PREMIUM - 02.0 - 02/201866
7.13.3 Establishing equipotential bonding
The protective earth conductor conducts away any static charging
of the machine head.
Fig. 44: Establishing equipotential bonding
1. Unscrew the nut (1).
2. Place the loop of grey motor cable on the protective earth
connection (2).
3. Screw and tighten the nut (1).
Information
If is mounted the knee switch with the protective earth cable on
the machine, it must be connect to control unit in the same way.
DANGER
Risk of death from electric shock!
Disconnect the power plug before establishing
equipotential bonding.
Make sure the power plug cannot be accidentally
plugged back in.
(1) - Nut (2) - Protective earth connection
①
②
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