Page 144 - CITS - Fitter Trade Pactical - Volume - 2

FITTER - CITS

• Check the flatness by blade of a try square

• File side (B) and maintain the squareness with respect to side (A).

The side A,B and C are mutually perpendicular to each other

• Check the squareness with flat surface using a try square.

• Set marking block to 74 mm using steel rule

• Draw parallel lines of 74 mm to side (B) and (C)
• Punch the marked line using dot punch and ball pein hammer
• Set and file sides (D) and (E) to 74mm and maintain squareness to all other sides.
• Maintain (D) and (E) parallel to side (B) and (C)
• Check the dimensions with a steel rule and squareness with a try square

• File surface (F) and maintain the thickness of 9mm parallelism to side A.
• Remove sharp edges. Apply little amount of oil and preserve it for evaluation.

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CITS : CG & M - Fitter - Exercise 40