ALTERNATOR HAS NOISE

TM-5-3805-263-14P-2 Grader Heavy Road Motorized Type I Nonsectionalized Type II Sectionalized Manual
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TROUBLESHOOTING TESTING AND ADJUSTING TM 5-3805-263-14&P-2 29. ALTERNATOR HAS NOISE Cause Drive Belt for Alternator is Worn or Has a Defect Loose Alternator Drive Pulley Drive Belt and Drive Pulley For Alternator Are Not in Alignment Worn Alternator Bearings Armature or Rotor Shaft is Bent Rectifiers in the Alternator Are Shorted Correction Install a new drive belt for the alternator. Check groove in pulley for key that holds pulley in place. If groove is worn, install a new pulley. Tighten pulley nut according to Specifications. Make an adjustment to put drive belt and drive pulley in correct alignment. Install new bearings in the alternator. Make a replacement of the component. Make a replacement of the diode assembly. 30. EXHAUST TEMPERATURE IS TOO HIGH Cause Air Inlet System Has A Leak Exhaust System Has A Leak Air Inlet or Exhaust System Has A Restriction Wrong Fuel Injection Timing Correction Check pressure in the air inlet manifold. Look for restrictions at the air cleaner. Correct any leaks. Find cause of exhaust leak. Make repairs as necessary. Remove restriction. Make an adjustment to the timing. 1-36

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