Page 91 - CITS - Fitter Trade Pactical - Volume - 2

FITTER - CITS

Fig 1 Fig 2

• Mark correct centre for drill hole with vernier height gauge (Fig 3)
• Finally, fix Ø 16 mm drill and enlarge the previously drilled hole Fig 4.
• Check concentricity of drilled hole Ø 16 mm using dial test indicator DTI.

Fig 3 Fig 4

• Finish file, de-burr, clean and check dimensions with vernier caliper
• Apply a little oil and preserve it for evaluation.

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CITS : CG & M - Fitter - Exercise 27