Page 200 - CITS - Fitter Trade Pactical - Volume - 2

FITTER - CITS

Check the alignment after tacking, and reset, if necessary. (Fig 2)

Fig 2

Welding
Produce a well-fused uniform bead with complete penetration using a leftward technique (Fig 3) by;
- Holding and manipulating the blowpipe and filler rod in the recommended angles.
- Maintain a uniform travel speed and feed.

- Forming a correct size keyhole.

Fig 3

Finish the job
Check alignment - remove distortion, if required, and inspect for:
Uniform width and height of weld bead in size. (Fig 4)

Fig 4

- Uniform ripples and fusion, complete penetration. (Fig 5)
- Absence of faults such as undercut, lack of fusion, unfilled crater etc.

185

CITS : C G & M - Fitter - Exercise 53