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
