Adjust the V-belt tightness.

  If the fan belt is too loose, it will cause insufficient charging and engine overheating failure.
     The fan bearing manufacturer  the adjusting bolt of the entire alternator displaced in or out to adjust the tightness of the belt shown in Figure 1. Adjustment, shall be securely tightened bolts. Be careful not to adjust the belt too tight, otherwise the belt tight through the General Assembly hurt fan belt and bearings. Operation should be taken to avoid contamination belt is grease, otherwise it will cause slipping and shorten its life.