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2.8 - Auxiliary Belt Tensioning ( Paul Stow,  December 1, 2001 )

This is done in the traditional way by adjusting the position of the alternator. It is safest, though not necessary, to disconnect the battery prior to undertaking this task, avoiding the risk of a spanner finding an uncovered live terminal on the alternator.

Loosen the long pivot bolt on which the alternator moves. Loosen the outer bolt on the threaded tensioning arm and give yourself enough adjustment to play with.

Using a bar or strong piece of wood, push the alternator outward, thus further tensioning the belt. This allows adjustment using the inner bolt on the tensioning arm.

If it is required to release tension, perhaps to remove the belt, then wind the inner bolt down the tensioning arm whilst continuing to push the alternator outward. Release the alternator and push inward to allow the belt to be removed.

When refitting, lever the alternator to obtain the correct belt tension and then wind up the inner bolt on the tensioning arm to hold the tension. Wind down and tighten the outer bolt on the tensioning arm, and finally retighten the pivot bolt.


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