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Main | Inline Type Injection Pump

                     

Cause

Remedy

     

 

  Tank empty or tank vent blocked Fill tank / bleed system. check tank vent

     

 

  Air in the fuel system Bleed fuel system, elimitate air leaks

         

          Shut off/start device defective Repair or replace

   

     

 

  Fuel filter blocked Replace fuel filter

   

   

      Injection lines blocked / restricted Drill to nominal I.D. or replace

   

       

    Fuel-supply lines blocked / restricted Test all fuel supply lines - flush or replace

   

            Loose connections, injection lines leak or broken Tighten the connection, eliminate the leak

   

       

 

  Paraffin deposit in fuel filter Replace filter, use Winter Fuel

   

 

 

  Pump-to-engine timing incorrect Readjust timing
   

 

   

  Injection nozzle defective Repair or replace
       

 

        Engine air filter blocked Replace air filter element

                      Pre-heating system defective Test the glow plugs, replace as necessary

 

 

 

      Injection sequence does not correspond to firing order Install fuel injection lines in the correct order
 

     

     

    Low idle misadjusted Readjust idle stop screw
       

       

    Maximum speed misadjusted Readjust maximum speed screw
     

           

Overflow fitting interchanged with inlet fitting Install fittings in their proper positions
   

                  Delivery valve leakage Replace delivery valve
 

             

    Bumper spring misadjusted (RS...governors) Readjust bumper spring
       

 

 

  Timing device defective Repair or replace timing device

 

 

   

   

  Low or uneven engine compression Repair as necessary
 

   

 

  Governor misadjusted or defective Readjust or repair

      Fuel injection pump defective or cannot be adjusted Remove pump and service