UBS Hydro II
Maintenance
EN
2018-05-02
44 / 60
Fig. 16: Tensioning device for the belt drive
The belt tension is changed by releasing or tightening of a self-locking hexagon
nut. The self-locking hexagon nut is accessible using a socket wrench. The socket
wrench is guide through the housing opening on the side and is set onto the self-
locking hexagon nut.
1
Increase belt tension
Turn the hexagon nut clockwisely
3
Reduce belt tension
Turn the hexagon nut counter-clockwisely
NOTE
Missing frictional connection to the attachment can be caused by burned V-
belt!
Burned V-belts can cause missing frictional connection to the attachment.
•
Check the V-belt tension.
•
Only use original parts.
•
If the slipping belt causes squeaking noises, the belt has to be replaced by
an original belt in a specialist workshop.
•
V-belts, that have burned, must be replaced by new V-belts, because they
cannot transfer a torque anymore!