Check The Fan Belt - IHI IC75 Operation Manual

Check the fan belt

To help avoid being injury, check and adjust the fan
belt tension with engine stopped.
Parts are hot immediately after the engine stops.
You may get burnt.
Check
1. Push a point in the middle of the idle pulley (1) and
alternator pulley (2) at approximately 98 N (10 kgf).
The belt tension is proper if the belt slacks by
approximately 6 to 8 mm.
2. Replace the belt if the adjustment margin of the belt is
lost or the belt has flaws or cracks.
Adjustment
1. Loosen the alternator fixing bolt (3) and lock nut (4).
2. Adjust the belt tension with the adjust bolt (5).
3. Tighten the fixing bolt and lock nut firmly after
adjustment.
4. Keep the engine idling for 5 minutes and check the belt
tension.
IC75 ENG
MAINTENANCE
WARNING
4-22