Maintenance
63
Screwed
connections
Tightening bolts
All bolts must be retightened:
•
After the first 5 hours of operation and
•
According to the frequency of use,
•
But at least once a season.
Special tightening
torques
Observe the special tightening torques for the following screwed con-
nections:
90 Nm (66 ft.lbs)
120 Nm (88 ft.lbs)
90 Nm (66 ft.lbs)