Page 134 - CITS - Fitter Trade Pactical - Volume - 2
P. 134
FITTER - CITS
• Check flatness with a try-square.
• File to medium finish using a flat second cut file 250mm.
• Check the flatness of surface using try square.
• Remove high spot using second cut file 250mm and check flatness again.
• Repeat this activity until surface make parallel as master surface.
• Check flatness using try square.
• Hold the job in bench vice properly to file the longer side.
• File straight this longer side using second cut file
• Check straightness of side using try square.
• File and check flatness and squareness with previously finished surfaces using a try-square 150mm.
• File the adjacent shorter side flat and square to both the finished sides.
• Check squareness (right angle) between both sides.
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CITS : CG & M - Fitter - Exercise 38
