Fig. 9
(2) Fan Belt Check
Check the fan belt for tension and abnormalities.
1) When the belt is depressed
about 7.5 to 8.5 mm (0.30 to 0.33 in)
with the thumb (about 100 N (22 lb) pressure) at midway
between the fan pulley and alternator pulley, the belt tension is
correct.
When the belt tension is too high, it will result in alternator
failure.
Contrarily, loose belt will cause belt slipage which may result in
damaged belt and abnormal noise.
2) Check the belts. Replace them if any damage is found.
NOTICE:
Replace all belts as a set even when one is not usable.
Single belt of similar size must not be used as a substitute
for a matched belt set. Otherwise, premature belt wear
would result because of uneven belt length.
21
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