Page 75 - CTS - Mechanic Diesel - TP
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MECHANIC DIESEL - CITS



           EXERCISE 2.25: Assembling the crank  shaft, piston and

                                       connecting rod assembly


            Objectives


           At the end of this exercise you shall be able to
           •  fix the bearings in the cylinder block
           •  fix the crank shaft in the cylinder block
           •  fix the connecting rod bearing cap
           •  check crank shaft end play.

           Requirements


           Tools/Instruments
           •  Magnetic base with dial gauge   - 1 No.          •  Oil can                       - 1 No.
           •  Trainee tools kit             - 1 No.            Materials/Components
           •  Heavy duty screw driver/pry bar  - 1 No.
           •  Torque wrench                 - 1 No.            •  Main journal bearing          - 1 No.
           •  Box spanner                   - 1 Set.           •  Big and bearing               - as reqd.
           •  Piston ring compressor        - 1 No.            •  Piston pin                    - as reqd.
                                                               •  Nut bolts                     - as reqd.
           Equipments/Machines
                                                               •  Cotton waste                  - as reqd.
           •  Multi cylinder diesel engine   - 1 No.           •  Baniyan cloth                 - as reqd.
           •  Work bench                    - 1 No.            •  Soap oil                      - as reqd.
           •  Wooden block                  - 2 Nos.           •  Lube oil                      - as reqd.

           Procedure

           •   Place the engine block on the wooden block (Fig 1)


              Fig 1


























           •   Clean the parent bore of the main bearing in the cylinder block.
           •   Clean the oil holes of the parent bore.





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