Page 224 - CITS - Welder - Trade Practical

WELDER - CITS

12 Check for defects like overlap, under cut, porosity and check for correct leg size and throat thickness.
Note: Avoid side-to-side movement of the electrode.

Deslag and clean the root bead thoroughly.
Deposit the final covering run with a 4mmø medium coated MS electrode and 160 amp current.
Give side-to-side movement to the electrode not more than 2.5 times its dia.
Use the same electrode angle as was used for the root bead.

Note: Prevent the upper edge of the plate from melting off by not allowing the arc to concentrate
more on the upper edge.

Remove the slag with a chipping hammer.
Clean the weld with a steel wire brush.
Inspect the T fillet weld and ensure.
Safetyprecautions:

- Check the all connections before welding
- Welding area should be dry area
- Use welding screen and chipping goggle for eyes and face safety
- Wear protective clothing’s

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CITS : C G & M - Welder - Exercise 54(B) CITS : C G & M - Welder - Exercise 54(B)