1. After installing the required cutting tip and wrench. supplied with oxygen gas source ... open the preheat oxygen valve and acetylene valves. check joints of acetylene. There should be sufficient suction. parties can plug into source of acetylene. before you can use it correctly.

2. acetylene gas cutting torch must be tempered to prevent installation.

3. cutting nozzle and valve should be checked before they are used there is no leakage. inspected the rear ignition used.

4. the cutting torch igniting. open acetylene handwheel. After igniting acetylene. immediately open the oxygen valve handwheel. adjust flame.

5. this product is strictly prohibited and the oils. in case oil combustion or explosion of oxygen.

6. any part of the torch struck, is strictly prohibited.

7. tempering. immediately close the acetylene valve and oxygen valve.

8. this product must have a certificate of professional operations. non-professionals shall not operate the product.