This document provides safety precautions and guidelines for operating diesel engines. It describes proper service and repair techniques recommended by Komatsu to be both effective and safe. Workers should always read all safety precautions fixed to the machine before operating or repairing. Personal protective equipment like safety glasses and helmets should be worn at all times during operation and maintenance.

1. 





 


3.  








 







 


      
       
      

      

 

        

      
      

        
      
     
       
     
 

         

        

       





 
       
       

 
        


         

 
      


        


         



4.  


        
    

    
       


        










      







      
       
 

      
      



         


       




       




       







    

  







      
       


5.  































6.  



















 

 














 








       
 







  











 

 

















   











9. 
 


  

 
 
 
 


 
 
 
 
 







23. 





 

 
 

 
 




 
 
 
 
 

 





 









  
  
  
  
  
  
  
  
  
  
  
  
  


  
  
  
  
  
  
  
  



















24. 





 



 
 
 
 
 
 
 
 
 
 
 
 
 


 
 
 
 
 
 
 
 





25. 



 

 
 

 
 




 
 
 
 
 

 





 













  
  
  
  
  
  
  
  
  
  
  
  
  


  
  
  
  
  
  
  
  













26. 
 



 



    
    
    
    
    
    
    
    
    
    
    
   
    


    
    
    
    
    
    
    
    

















27. 



 
 
 
 

 
 




 
 
 
 
 

 





 









 
 
 
 
 
 
 
 
 
 
 
 
 


 
 
 
 
 
 
 
 












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29. 
 

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 