Page 168 - CITS - Fitter Trade Pactical - Volume - 2

FITTER - CITS

• Check the size with vernier caliper.
• Apply marking media and mark dimension lines on part 1 and 2 as per job drawing.
• Punch witness marks on part 1 and 2.
• Hacksaw and remove the excess metal in part 1 and file to size and shape maintaining accuracy ± 0.04 mm
and angle 30 minutes as shown in Fig 1.

• Drill Ø 3 mm relief hole in part ‘B’
• Chain drill, chip, remove the excess metal in part ‘B’ and file to size and shape as shown in Fig 2.

• Check the size with vernier caliper and angles with vernier bevel protector.

• Finish file on part 1 and 2 and de-burr in all corners.
• Match part 1 and 2 as shown Fig 3.
• Apply a little oil and perserve it for evaluation

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CITS : CG & M - Fitter - Exercise 48