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18. You must not drag the cable conductor of power supply.
19. Don' t leave the machine alone before it flames out.
20. The gas-in junction must be locked tightly used the hose-hoop in order to prevent serious
accident caused by gas leakage.
21. When the fuse burns out frequently, it is not allowed to use the fuse bearing high-current
before finding out the cause.
22. When moving the machine it is not allowed to drop, bump or shake it strongly.
1.1.4 Electrical system precautions
1. Be sure to check the input power voltage of the machine before operation. The input
power voltage should be in the range of ±10％ of the rated voltage. The machine should not
be operated out of this range.
2. The metal plugs are screw-threaded, therefore, fully tighten them so that they will not
come loose during operation.
3. Be sure to ground the power cable of the machine.
4. Stop operation and turn off the power in the following cases, and ask a qualified electrician
to repair the machine.
1) Broken or abraded cables
2) When the machine has been in contact with water, or in case of liquid damage to the
machine.
3) Abnormal machine operation despite operating the machine according to the instruction
manual
4) Machine breakdown
5) Poor machine performance the requires repair
5. Periodically inspect the electrical system.
1.1.5 Maintenance and inspection precautions
1. Ask a qualified electrician to perform repair and inspection service.
2. Disconnect the power plug before inspecting and repair the machine.
3. Maintain the machine periodically.
1.2 Notice instruction before the operation of air cut.
Strictly observe the safety rules and precautions to ensure the safety of gas cutting
operations.
Operators and supervisors MUST keep safety in mind.
1.2.1 Prevention of explosion
1. Never cut pressurized cylinders or hermetically sealed containers.
2. Ensure sufficient ventilation for gas cutting to prevent the air from becoming stale.
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CG1-2A H Beam cutter
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