1-S67
ME8200, ME9000, WSM
ENGINE
[4] COOLING SYSTEM
(1) Checking and Adjusting
Fan Belt Tension
1. Press the fan belt between alternator and crank pulley at force of
98 N (10 kgf, 22 lbf).
Check if the fan belt deflection is 10 to 12 mm (0.394 to 0.472 in.).
2. If the deflection is not within the factory specifications, loosen the
alternator mounting screws and relocate the alternator to adjust.
W1042534
Fan Belt Damage and Wear
1. Check the fan belt for damage.
2. If the fan belt is damaged, replace it.
3. Check if the fan belt is worn and sunk in the pulley groove.
4. If the fan belt is nearly worn out and deeply sunk in the pulley
groove, replace it.
W1042647
Deflection (A) Factory spec.
10 to 12 mm
0.394 to 0.472 in.
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