Mitsubishi 4DQ3 User manual

SERVICE MANUAL

三菱ディーゼルエンジン

MITSUBISHI

DIESEL ENGINE

4DQ3, 4DQ30

MITSUBISHI HEAVY INDUSTRIES, LTD.

No. 5-1, Marunouchi, 2-chom Chiyoda-ku, Tokyo Japan

Phon : Tokyo (03) 212-3111 T l x: J22282, J22443 HISHIJU

SERVICE MANUAL

99609-50000

DEC 1985

Mitsubishi 4DQ3 and 4DQ30

Notes:

Valve Lash ( cold ) 0.25MM or .010"

Head Bolt Torque 87 Ft Lbs

Main Bolt Torque 62 Ft Lbs

Rod Bolt Torque 40 Ft Lbs

Part Number for complete gasket and seal set 3049451031 30494-51031

MAJOR DATA AND SPECIFICATIONS

 

 



 

  X 

  

 

 2  

 

 

 

 

  

  



  



 

INSPECTION AND REPAIR

Cylinder head

 

        

    

        

   



         



 

  

  

  



 











 











Vve id and valve sea ts

 





    

      

        

          

       

      

     



 

 .'

)

�: 1 .

:�



 

        

     

        



Item  























   

 limit

 °

  13

   



   

 



  1.2



















± 











 





























� n

 

e



! n 

V  i

  



 

 

  









 

      

     

        



     

      

        

      













 









(NOTE]











       



 

  



  

 

 1.5°, 



  

  





  



        









Cylinders

   

     





 



 

   

 

 



 0

+0.035

 

 





 





Crankcase sket 



 

t



1 "/



. "







stons and piston rings

(1) 

  

        

      





 







  

  



 

 

  

   



 



(3) 

 

 



        

     

 





       







(4) 

        

        













 





 



 

  

 

      

      

    





 

  



   

  

   

  

This manual suits for next models

Table of contents

Other Mitsubishi Engine manuals

Mitsubishi

Mitsubishi 4G9 series User manual

Mitsubishi

Mitsubishi GB30G User manual

Mitsubishi

Mitsubishi K3G User manual

Mitsubishi

Mitsubishi 6M70 Instruction manual

Mitsubishi

Mitsubishi 4G6 series Instruction manual

Mitsubishi

Mitsubishi S4S User manual

Mitsubishi

Mitsubishi 4G93-SOHC Instruction manual

Mitsubishi

Mitsubishi S16R2-PTAW Manual

Mitsubishi

Mitsubishi S4E User manual

Mitsubishi

Mitsubishi GB101 User manual

Mitsubishi

Mitsubishi GB17GPV User manual

Mitsubishi

Mitsubishi 4D68 Instruction manual

Mitsubishi

Mitsubishi S4S User manual

Mitsubishi

Mitsubishi TUE Series User manual

Mitsubishi

Mitsubishi 4D68 Instruction manual

Mitsubishi

Mitsubishi 4g63 User manual

Mitsubishi

Mitsubishi GB100 User manual

Mitsubishi

Mitsubishi Evolution EVOMITS User manual

Mitsubishi

Mitsubishi S6S User manual

Mitsubishi

Mitsubishi 4G9 series Instruction manual

Mitsubishi

Mitsubishi S12U Manual

Mitsubishi

Mitsubishi S4S-DT Manual

Mitsubishi

Mitsubishi 4G5 SERIES Instruction manual

Mitsubishi

Mitsubishi 4G1 series Instruction manual

Popular Engine manuals by other brands

Rotax

Rotax 125 senior MAX evo installation manual

Kohler

Kohler K361 Service manual

MTD

MTD OHV Series user guide

Kohler

Kohler COMMAND CH18-745 Service manual

Mercury

Mercury D4.2L D-Tronic manual

Selve

Selve SE Plus-RC Series Operating instruction

Perkins

Perkins 1206E-E66TA Operation and maintenance manual

Skov

Skov DA 174 Technical user guide

Rossi

Rossi TX11 Series manual

Siemens

Siemens SIMOTICS T-1FW3 Configuration manual

AL-KO

AL-KO PRO 350 Instructions for use

MTU

MTU 12 V 4000 Lx4 operating instructions

Nanni

Nanni N3.30 Workshop manual

Nanni

Nanni N5.160 CR2 Operator's manual

KSB

KSB SuPreme Series Installation & operating manual

Hiwin

Hiwin EM1 Series user manual

Rotax

Rotax 912 i series Service instructions

Siemens

Siemens SIMOTICS XP 1MB1 operating instructions