Loosen bolt 1 (see photo) fastening the generator and nut 2 fastening the generator to the tension bar.
Move the generator away from the engine so that the belt deflection is 10-15 mm with a strong thumb pressure on the middle of the belt branch.
Tighten the nut securing the alternator to the tension bar.
Check belt tension.
Tighten the alternator mounting bolt.
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