Page 211 - CITS - Fitter Trade Pactical - Volume - 2

FITTER - CITS

Correct position of the blowpipe and filler rod.

Hold the blowpipe and the filler rod in the correct position in respect of the job.
The blowpipe angle should be 60° - 70° with the weld line (towards right).
The filler rod angle should be 30° - 40° with the weld line (towards left). (Fig 1)

Fig 1

Keep the blowpipe and the filler rod at 90° to the plate surface. (Fig 2)

Fig 2

Surface fusion and filler rod addition
Fuse the metal surface and add the filler metal with proper motions; circular motion for the blowpipe, and piston-
like motion for the filler rod. (Fig 3)
Maintain a flame cone distance from 2 to 3mm from the metal surface.

Fig 3

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CITS : C G & M - Fitter - Exercise 54