Operation and maintenance manual
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TroubleshootingProceduresandTechniques
This guide describes some typical engine operating problems, their causes, and some acceptalbe
corrections to those problems. Unless notes otherwise, the problems listed are those which an operator
can diagnose and repair See a Cummins Authorized Repair Location for diagnosis and repair of
problems not listed.
Follow the suggestions below to develop good troubleshooting procedures:
• Study the problem thoroughly before acting.
• Do the easiest and obvious things first.
• Find and correct the basic cause of the problem.
TroubleshootingSymptoms
Use the charts given on the following pages to help find the cause and correction of a malfunction. Read
each row of blocks from top to bottom. Follow the arrows through the chart to identify corrective action.
EngineWillNqtCrankorCranksSlowly