Page 34 - IOM / ROOF-TOP FLEXY™ Series
BELBEL
BELBEL
BEL
T TENSIONT TENSION
T TENSIONT TENSION
T TENSION
On delivery, the drive belts are new and correctly tensioned. After the first 50 operating
hours check and adjust the tension. 80% of the total elongation of belts is generally
produced during the first 15 hours of operation.
Before adjusting the tension, make sure that the pulleys are correctly aligned.
To tension, adjust the play of screw Mx.
The recommended deflection is 16 mm per metre from centre to centre.
Check that according to the diagram below (figure 34), the following ratio remains
the same.
A (m)
= 16
P (mm)
The belts should always be replaced when :
- the disk is set to maximum,
- the belt rubber is worn or the wire is visible.
Replacement belts must have the same rated size as the ones they are replacing.
If a transmission system has several belts, they must all be from the same
manufacturing batch (compare serial numbers).
NOTE : An under-tensioned belt will slip, heat and wear prematurely. On the other
hand, if a belt is over-tensioned, the pressure on the bearings will cause them to
over-heat and wear prematurely. Incorrect alignment will also cause the belts to
wear prematurely.
Figure 33
A
P
Figure 34
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