Hyundai Sonata 1991 Shop Manual page 107

GENERAL
DRIVE BELT TENSION ADJUSTMENT
Y25CLOA
The belt m!rlst be adjusted to the following specifications.
1. When 100 N (22 Ib) (tension or compression) is given
perpendicularly to belt at center "A", sag is to be "L" mm.
2.
Or, tension gauge must read 'T' at center "A".
New belt installed
Used belt installed
Sag (L)
7.5 - 9.0 mm 10.0 mm
(0.30 - 0.35 in.)
(0.39 in.)
Tension (T) 50 - 70 kg
40 kg
(110 - 154 Ib)
(88Ib)
i
B
Center A
Alternator pulley
Crankshaft pulley
25YOO4
USAGE OF TENSION GAUGE
Y25CMOA
Using Tension Gauge
BORROUGHS 'BT-33-73F Type
NIPPONDENSO BTG-2 Type
Measuring Method
1. Press down on the tension gauge handle and insert the belt
between the spindle and hook of the gauge.
2. Release the handle and read the measurement on the gauge.
Reset button
Indication value
/
-.n-..
~ _
Spindle
Hook
V-ribbed belt
Hook
BORROUGHS
Reset point
\
t:::~c..ml'--_Spindle
f \
~u---
Hook
X \ ) ' ' - - - - -
V-ribbed belt
NIPPONDENSO
25YOO5
NOTE
1. Belt which has been in operation for 5 minutes or more,
must be adjusted to the used belt specifications.
2. Ensure that the belt is installed correctly, as shown in the
illustration.
3. A loose belt will produce a high-pitched squealing noise.
4. A belt that is too tight will damage the alternator and
water pump bearing.
Incorrect Correct
Incorrect
25Y006