
BA_PH_245-100-300_EN_06-22.docx
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18.6.3
Checking the Drive Belt Tension
The correct pretension of the drive belt can be checked
as follows:
9.
Press the drive belt (in the middle between the two
belt pulleys) from above with a strong thumb pres-
sure (approx. 2 kg).
10.With correct pretension, the belt must only be able to
be pushed downwards (
X
) by max. 5 mm.
11.If a new belt is installed, it must only be possible to
push it downwards (
X
) by max. 2 mm.
Figure 66: Checking the belt tension
Too low belt tension leads to increased wear or failure of the belt.
Excessive belt tension can cause bearing damage to the drive axes.
X