4
Figure 151
3. Tighten/Loosen the levelling screw (4)
with a 5mm Allen wrench.
If the belt is replaced with a new one, tension
the new belt to the frequency:
BELT NEW MODEL S0K001513AA: 120 ± 5 Hz
BELT OLD MODEL S0K000671AB: 110 ± 5 Hz
If the belt is loosened / removed and then the
same one is reassembled: tension the
belt to the frequency:
BELT NEW MODEL S0K001513AA: 105 ± 5 Hz
BELT OLD MODEL S0K000671AB: 105 ± 5 Hz
The belt tension must be measured in the point
indicated by the green arrow.
New Group Cycle (D92):
Technical Service Guide - Rev. 5.1
Document uncontrolled when printed
Page 158
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