Page 26 - CITS - Fitter Trade Practical - Volume -2
P. 26

FITTER - CITS
            Job sequence


           •  Check the raw material for its size.
           •   File metal to size as per drawing.
           •   Apply marking media on part A and B as per drawing.
           •   Mark the profile and punch witness marks.

           Part A
           •   Hold part A in drilling machine table.
           •   Fix 8mm in drilling machine spindle and drill two relief holes as shown in Fig 1.

               Fig 1



















           •   Hold part A in bench vice, cut and remove the hatched portion of excess metal on one side and file the same
              portion to size maintaining the accuracy of 0.02 mm Fig 2.


              Fig 2

























           •   Similarly, following the above job sequencies on the other side of the job, cut and remove the excess metal
              and file to size Fig 3.
           •   File radius 7mm as per drawing and check with radius gauge. Fig 4













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                                             CITS : C G & M - Fitter - Exercise 59
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