Maintenance and care
28
Tension force in cold condition according to kg scale on tester
Drive belt width 10.0 13.0 2-AVX13
New installation Installation 45−50 50−55 100−110
After 10 min. running time 35−40 40−45 80−90
When servicing after long running time 30 35
Minimum tension force 50
Retensioning value after minimum tension force is re-
ached
70
Tensioning and changing V-belt
Crankshaft − Water pump − Alternator
D Remove fixing bolts À
D Remove lock-nut Á
D Adjust nut  until V-belts have correct
tensions
D Retighten lock-nut and fixing bolts
To change the V-belt, turn back the setting
nut  and swivel the alternator inwards.
1
23
Water pump − Alternator
D Remove fixing bolts À
D Remove lock-nut Á
D Adjust nut  until V-belts have correct
tensions
D Retighten lock-nut and fixing bolts
To change the V-belts, remove the fan,
turn back the setting nut  and swivel the
alternator inwards.
1
1
2
3