Page 296 - CITS - Welder - Trade Practical
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WELDER - CITS
Deposit the final covering run with and 120 - 140 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 butt fillet weld and ensure:
• It has equal leg length with slight convexity
• The upper edge of the plate has not melted off
• it is free from surface defects.
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CITS : C G & M - Welder - Exercise 75 CITS : C G & M - Welder - Exercise 75