Page 207 - CITS - Fitter Trade Pactical - Volume - 2

FITTER - CITS

Fig 1

Open the acetylene control valve ¼ turn of the blowpipe and ignite with the help of the spark-lighter. Adjust the
acetylene flow till the black smoke goes away. (Fig 2)
Avoid back fire or flash-back of blow pipe.

Fig 2

Observe the flame and add oxygen by opening the oxygen control valve of the blowpipe. (Fig 3)

Fig 3

Flame adjustment
To adjust the neutral flame, add sufficient oxygen to make the white cone clear and round. (Fig 4)

Fig 4

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CITS : C G & M - Fitter - Exercise 54