Page 538 - Foton Workshop Manual - Auman EST-M
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EG - 22                        Engine section – Engine (Cummins ISF3.8)


              Failure phenomenon          Possible reason                      Failure elimination

                                                                 Check  the  battery  or  the  power  circuit  of  switch-free
                                Battery voltage low
                                                                 battery

                                                                 Check the battery cable and connection. Clean or eeplace
                                Battery cable loose, broken or corroded
                                                                 the cable if necessary

                                Battery capacity lower than specification   Check the battery. Repair or replace it if necessary

                                Battery  cable  diameter  or  length  not  Use  a  piece  of  cable  with  a  larger  diameter  or  shorter
                                correct                          length to replace the battery cable

                                Engine  oil  pressure  switch,  pressure
                                                                 Check if the engine  oil pressure switch,  pressure  gauge,
                                gauge  or  sensor  failed  or  installation
                                                                 pressure sensor work well and the positions are correct
                                position not correct

                                Engine drive device meshed       Disengage the engine driving device
              The  engine  fails  to
                                Starter circuit part failed      Check the starter circuit parts
              drag or drag slowly
                                Starter motor pinion or gear ring broken   Dismount the starter motor and check the gear

                                                                 Check the engine oil level. Verify if the engine oil scale
                                Engine oil level higher than specification
                                                                 calibration and oil sump capacity is correct

                                Engine  oil  not  meeting  the  specification
                                                                 Replace the engine oil or filter
                                of working condition

                                                                 Check  if  the  crankshaft  rotates  flexibly.  If  necessary,
                                Crankshaft rotation not smooth
                                                                 repair or replace relevant parts

                                                                 Dismount the injector and rotate the crankshaft Check the
                                Cylinder hydraulic block
                                                                 source of liquid in the cylinder
                                                                 Separate the engine oil and check the filter to determine
                                Engine broken internally
                                                                 the possible broken part

              Do not stop the   Key switch circuit failure       Check the key switch circuit
              engine            The electric control module (ECM) fails   Replace ECM

                                Key switch at off (open)         Turn the key switch to ON

                                                                 Check if  the  warning  indicator  has  voltage  If  necessary,
                                Error code warning indicator burnt
                                                                 replace the bulb
              Error  code  warning
              indicator not on
                                Error  code  warning  indicator  circuit
                                                                 Check the error code warning indicator circuit
                                failure
                                Key switch circuit failure       Check the key switch circuit








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