Operating Manual

Table Of Contents
147
CARE AND MAINTENANCE
7. V belt
7.1 Right hand V belt
Operation_Pic_number:1
The poly-V-belt (A) has an automatic belt
tensioner.
Check for cracks, oil fouling, signs of over-
heating and wear.
Replace damaged belts.
The tension pulley must be replaced every time
the V ribbed belt needs to be replaced.
Air conditioning compressor V-belts (see CARE
AND MAINTENANCE Section 17.2).
DANGER:
Check the V-belt tensioner only with
the engine stopped! Mount the
protective grille again.
Fig.24
Setting V-belt belt tightener
Operation_Pic_number:1
Setting as delivered of distance between cen-
tres A = 92 mm.
Re-adjustment with max. distance
A = 100 mm to A = 92 mm.
If the distance reaches A = 100 mm again,
then replace power belt.
NOTE:
A gap between lugs (dimension A) of more
than 100 mm can lead to total failure of the
belt drive due to insufficient belt tension.
7.2 Left V-belt
Operation_Pic_number:1
V-belt tension is to be measured at the centre
point between pulleys, using Optibelt tension
gauge I.
Loosen alternator nut (A).
Adjustment with clamping screw (B).
Strand pull (operating tension)
450+50 N (45+5 kp).
Fig.25
Fig.26