Fig. 33. Adjusting the force of the pressure of roller conditioner
6.11. Maintenance and service
6.11.1. Checking the V-belts tension
Check the V-belt tension. V-belts are tensioned with spring tensioner (Fig. 34) equipped with
checking plate. Distance S between plate tip and holder should be 10 mm. If the gap is wider the
V-belts will be looser. Tensioning is done by nuts N. When any of the belts are damaged, the complete
set must be replaced.
Fig. 34. Spring V-belts tensioner
6.11.2. Inspection of tension of toothed belt for gears of rollers and conditioner
Drive from cog gear shaft is transmitted on rollers/conditioner roller axles through toothed belts.
Constant belt tension is provided by tensioner adjustable with tensioning nut N (Fig. 35b
and d).
Belt tightening can be checked through eye O (Fig. 35a and c). In order to tension the belt remove
safety guard (Fig. 35a and c) having unscrewed four nuts S. Then, tension the toothed belt using
tensioning screw and nut N (Fig. 35b and d). Properly tensioned belt, when pressed with thumb in the
middle should deflect by approx. 5mm.
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