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[2] CHECKING/ADJUSTING ALTERNATOR BELT TENSION
[TENSION CHECK]
1. See "1.9 Engine Hood" in the Operation and open the engine
hood.
2. With the fingers, push (by approximately 98 N {10kgf}) the
midpoint between the fan pulley (2) and alternator pulley (1) of
the belt (3), and if the strain is between 10 and 12mm it is within
standard.
3. If the inspection result indicated that the strain of the belt (3) is
out of the standard value range, see the Tension check section
and adjust the tension of the belt (3).
NOTES
Inspect the followings as well when you inspect the tension of the alternator belt.
• Check the pulleys for breakage, the V groove and belt for wear. Ensure that the belt is not in contact
with the bottom of the V groove.
• Prompt belt replacement is required if belt adjustment is no longer enabled due to a stretched belt or if
the belt is scratched or cracked.
• At least 5 minute long test run is required after belt replacement. Re-adjust the belt tension upon
completion of test run.
[TENSION ADJUSTMENT]
• Have a wooden bar available.
1. Insert the bar between the alternator (1) and cylinder block.
2. Loosen the lower bolt (5) and adjusting bolt (4).
3. Move the alternator (1) until strain of the belt (3) falls within the
standard value range, pulling the bar toward you.
4. Tighten the alternator lower bolt (5) and then the adjusting bolt
(4) to secure the alternator (1).
5. See “Operation 1.9 Engine Hood” and close the engine hood.
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