General Maintenance Instructions
46
8.4 Maintenance Instructions for Live Ring
Checking the fixing screws:
The fixing screws must be checked every 700 operating hours or every 6
months, at the latest. This period is to be adapted accordingly in the case of
special operating conditions.
Check the tightening torques after the first 100 operating hours in order to compen-
sate possible settling effects.
Retighten the screws with the following tightening torques:
Screw size:
Screw quality:
Tightening torque:
M 12
10.9
109 Nm
M 16
10.9
270 Nm
