Hypertherm Powermax30 AIR - Page 9

Powermax30 AIR Service Manual 808850 9
Contents
4 Operation ...................................................................................................................................... 41
Controls and indicators ............................................................................................................................................................... 41
Rear controls .......................................................................................................................................................................... 41
Front panel controls and indicator LED symbols ........................................................................................................... 42
Operate the plasma system ....................................................................................................................................................... 43
Step 1 – Install the consumables ..................................................................................................................................... 43
Step 2 – Connect the electrical power ........................................................................................................................... 44
Step 3 – Adjust the output current ................................................................................................................................... 45
Operating the system on a 120 V / 20 A circuit ................................................................................................... 45
Operating the system on a 240 V / 20 A circuit ................................................................................................... 45
Decrease output current for lower-rated power plugs ......................................................................................... 45
Cutting expanded metal .............................................................................................................................................. 45
Step 4 – Attach the ground clamp ................................................................................................................................... 46
Step 5 – Power ON the system ........................................................................................................................................ 46
Step 6 – Check the indicator LEDs ................................................................................................................................. 47
Step 7 – Make sure the system is ready, and start cutting ........................................................................................ 47
What to expect during and after cutting ................................................................................................................................. 47
Postflow .................................................................................................................................................................................. 47
Internal compressor and fan activity ................................................................................................................................. 47
Water under the power supply .......................................................................................................................................... 47
Understand duty-cycle limitations ............................................................................................................................................. 48
System operation guidelines ...................................................................................................................................................... 49
Hand torch operation ................................................................................................................................................................... 50
Safety catch operation ......................................................................................................................................................... 50
Hand torch cutting guidelines ............................................................................................................................................ 51
Recommendations for cutting at 120 V ................................................................................................................... 51
Edge start on a workpiece .................................................................................................................................................. 52
Pierce a workpiece ............................................................................................................................................................... 53
Common hand-cutting faults .............................................................................................................................................. 54
Minimizing dross ............................................................................................................................................................ 54