Pressure 98
N
Alternator adjusting bolt
1
ENGINE
TUNE-UP
V
BELT TENSION INSPECTION AND
ADJUSTMENT
1. Check the
V
belt tension.
(1) Make sure that the belt is fitted correctly.
(2) Press the belt between water pump and the alternator
with a force of about 98
N
(10 kgf) [22.1 Ibfl and check
the amount of deflection.
New belts:
7
to
9
mm
(0.28
to
0.35
in.)
Belts in use:
8
to
13
mm
(0.31
to
0.51
in.)
Caution:
Measure the amount of deflection between the
specified pulleys.
When a new belt is fitted, adjust tension to the median
of the standard for "new belts".
When checking a belt that has been used for
5
minutes or longer, check that the tension is the
median of the standard for "belts in use".
When reassembling a belt that has been used for
5
minutes or longer, adjust the tension to the median of
the standard for "belts in use".
Standard tension when using the SST
SST
092 16-7600 4-71
(0921 6-00020)
New belts:
520
to
755
N
(53
to
77
kg)
[116.9
to
169.8
Ibfl
Belts in use:
324
to
559
N
(33
to
57
kg)
[72.8
to
125.7
Ibfl
Note:
Fit the belt tension gauge hooks to the belt crests to
measure tension.
2. Adjust the
V
belt tension.
(1) Loosen the alternator set bolt and the adjusting bolt.
(2) Tension the
V
belt using a 300 to 400 mm (12 to 16
in.) long lever, and tighten the alternator adjusting
bolt.
(3) Tighten the alternator set bolt and recheck the belt
tension.
Caution:
Tension adjustment using a lever tends to cause
variation from one mechanic to another. It must be
followed by measurement of the deflection.
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