Page 229 - CITS - Fitter Trade Pactical - Volume - 2
P. 229
FITTER - CITS
Preheat the starting point to cherry red colour.
Keep the distance between the workpiece and the nozzle about 5mm to avoid backfire. (Fig 10)
Fig 10
Release extra oxygen by pressing the cutting oxygen lever, observe the cutting action and start moving along the
punched line with uniform speed. (Fig 11)
Fig 11
Keep less cutting speed than you would use for a straight cut for the same thickness.
Fix one or more straight bar to the cutting job to ensure the cut is along the straight line and also able to maintain
the correct angle. (Fig 12)
Fig 12
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CITS : C G & M - Fitter - Exercise 54