Set-up
Operating manual 281 Version 06.0 - 05/2013 65
7.13.3 Establishing equipotential bonding
The grounding wire conducts any static charging to ground.
Figure 42: Establishing equipotential bonding
1. Tilt the machine upper section backwards.
2. Guide the grounding wire (1) for the machine upper section 
through the table plate cut-out for the controller.
3. Fasten grounding wire (1) for the machine upper section, 
together with the grounding wire (3) for the frame, to the 
screw (2) on the rear side of the controller.
4. Raise the machine upper section.
Danger to life due to electric shock.
Disconnect the power plug before establishing 
equipotential bonding. 
Make sure the power plug cannot be 
unintentionally reinserted.
DANGER
(1) - Grounding wire for machine 
upper section
(2) - Screw
(3) - Grounding wire for frame
①
①
③
②
①