Page 66 - CITS - Fitter Trade Pactical - Volume - 2

FITTER - CITS

Hammer handle should be securely fixed with eye hole with a wedge.
Use goggles while chipping.

Skill Sequence
Job Sequence

Chipping using flat chisel

Before commencing chipping: Select a mushroom-free chisel and choose a hammer with a well secured handle.
(Fig 1)
Wipe off oily substances, if any, from the face of the hammer.

Wear safety goggles.
Install the chipping screen. (Fig 2)

Fig 1 Fig 2

Chipping process : Hold the work in a vice. If necessary, support the work on a wooden block. (Fig 3)
Position the chisel at an angle 35° (approximately) to cut the metal in uniform thickness. (Fig 4)
Hammer the head of the chisel by looking at the point of the chisel. (Fig 4)

Fig 3 Fig 4

Hold the hammer at the end of the handle for maximum leverage. (Fig 5)
Stop chipping before the end of the surface; otherwise the edge of the job will break off. To prevent this, chip the
end of the job from the opposite direction. (Figs 6A & B)

Fig 5 Fig 6

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CITS : CG & M - Fitter - Exercise 17