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12. When torch moves over the surface of wing plate 3mm to 4mm, pull up quadruple
switch. Hold lifting bar to rise and rotate torch in order to keep horizontally. When torch
center rises over wing plate upper limb 30mm, torch stops running.(as shown in the
diagram 5)
13．Release clutch and push the machine to go forwards and remove outboard of H
structural section wing plate. Use quick knob to low torch and make tip center reach
edge of wing plate.
14． Adjust distance between tip and wing plate and the distance is about 7 to 10mm. Close
clutch and lock cutting starting point and preheat wing plate.
15．After preheating cutting starting point fully, pull down quadruple switch and machine
descends and cuts automatically. (as shown in the diagram 7)
16．When torch cuts middle part of web plate, the torch should reduce speed slowly (1 to
1.5 graduations in degrees). When torch goes through surface of web plate, it returns
to initial speed.
17．When cutting is completed, descending spacing switch stops wing plate running
automatically. At the same time, cutting oxygen is cut off. Put quadruple switch in the
off position.
Notice: avoid that cutting work piece falls and strikes tip in the process when cutting is
completed. When work piece falls, release clutch and push machine to go forwards
along the track or use other methods to protect tip.
18. After cutting, arise lifting bar and lifting bar stops until torch stops in the position of
ascending spacing
and some sections when take apart track and machine. (as shown in the diagram 8)
switch.
Avoid knocking torch and damaging lifting sections, torch
- 14 -
CG1-2A H Beam cutter
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