Powermax125 Service Manual 808070 9
Contents
Operating the Powermax  ............................................................................................................................................................  44
Connect the electrical power, gas supply, and torch lead ..........................................................................................  44
Attach the work lead to the power supply  ......................................................................................................................  45
Attach the ground clamp to the workpiece ....................................................................................................................  46
Turn on the system  ...............................................................................................................................................................  46
Set the operating mode switch  .........................................................................................................................................  47
Check the indicators ............................................................................................................................................................  47
Manually adjusting the gas pressure ................................................................................................................................  48
Adjusting the current (amperage)  .....................................................................................................................................  48
Electrode end-of-life detection feature ....................................................................................................................................  49
Understanding duty-cycle limitations .......................................................................................................................................  50
4 Hand Torch Setup ....................................................................................................................... 51
Introduction ....................................................................................................................................................................................  51
Consumable life  ............................................................................................................................................................................  51
Hand torch components  .............................................................................................................................................................  52
Duramax Hyamp 85° hand torch .......................................................................................................................................  52
Duramax Hyamp 15° hand torch .......................................................................................................................................  52
Choose the hand torch consumables ......................................................................................................................................  52
Drag-cutting 105/125 A consumables  ...........................................................................................................................  53
Drag-cutting 45 A and 65 A consumables .....................................................................................................................  53
Gouging consumables  ........................................................................................................................................................  53
FineCut consumables ..........................................................................................................................................................  53
Install the hand torch consumables ..........................................................................................................................................  54
Connecting the torch lead ..........................................................................................................................................................  55
5 Hand Cutting ................................................................................................................................ 57
Using the hand torch  ...................................................................................................................................................................  57
Operate the safety trigger ...........................................................................................................................................................  58
Hand torch cutting guidelines ....................................................................................................................................................  58
Start a cut from the edge of the workpiece ............................................................................................................................  59
Pierce a workpiece .......................................................................................................................................................................  60
Gouge a workpiece ......................................................................................................................................................................  62
Gouge profile .........................................................................................................................................................................  63
Varying the gouge profile ....................................................................................................................................................  64
125 A gouging profile chart  ...............................................................................................................................................  64
Common hand-cutting faults  .....................................................................................................................................................  66