Page 72 - CITS - Fitter Trade Pactical - Volume - 2

FITTER - CITS

Job Sequence
• Check the flatness by blade of a try square.
• File side (B) and maintain the squareness with respect to side (A).
• Check the squareness with a try square.

Fig 2 Fig 3

• Set Jenny caliper 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) (Fig 4)
• Check the dimensions with a steel rule and squareness with a try square.
• File surface (F) and maintain the thickness of 9 mm parallelism to side A.
• Remove sharp edges. Apply little amount of oil and preserve it for evaluation.

Fig 4

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CITS : CG & M - Fitter - Exercise 19