12-20
140-3 SERIES
TESTING AND ADJUSTING TESTING AND ADJUSTING FAN BELT TENSION
ADJUSTING BOLT TYPE
1. Inspection
Check that the deflection is normal when the
belt is pressed with a finger at a point midway
between the fan pulley and crankshaft pulley.
★ Check each belt individually.
★ Pushing force: Approx.98 Nm {approx.10 kg}
★ Deflection : 13 – 15 mm (new part)
17 – 19 mm (tension adjusted)
2. Adjustment
★ If the deflection is not within the standard
value, adjust as follows.
1) Install 2 belts (1).
2) Adjust the deflection of the belt with
adjustment bolt (2).
★ Deflection :13 – 15 mm (new part)
17 – 19 mm
(tension adjusted)
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