5
V-belts
137
Reading of tension
Fig. 5
D Read off the tension at the point where the top
of the gauge arm (À in Fig. 3) intersects the
scale
D Before taking readings make ensure that the
indicator arm remains in its position
If the value measured deviates from the setting
value specified, the V-belt tension must be cor-
rected.
Drive belt
width
Tensioning forces according to the
kg graduation on the tester
New installation
When ser-
vicing after
long run-
ning time
Installation
After 10
min. run-
ning time
2/3VX 90−100 70−80 60
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