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MAINTENANCE
SERVICE PROCEDURE
CHECK FAN BELT TENSION, ADJUST
TESTING
Press the belt with your thumb with a force of approx. 98 N {10 kg}
(for each belt) at the midpoint between fan pulley (1) and
crankshaft pulley (2).
Standard deflection (A): 17 - 19 mm (0.67 - 0.74 in)
ADJUSTING
1.
Loosen nut (1).
2.
Move pulley (3) with adjustment bolt (2) to adjust so that the
deflection is approx. 17-19 mm (0.67 - 0.74) when the belt is
pressed with your thumb with a force of approx. 98 N {10 kg}
(for each belt) at the midpoint between the fan pulley and
crankshaft pulley.
When replacing the belt, the standard deflection for the new
belt is 13-15 mm (0.5 - 0.6 in).
3. Check for damage to the pulleys, and wear of the groove and
belt. Be particularly careful to check that the belt is not in
contact with the bottom of the groove.
If the belt is stretched and there is no allowance for adjustment,
or it is cut or cracked, replace it with a new belt.
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