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Operator Manual 4-1

Section 4

OPERATION

In this section:

Controls and indicators .........................................................................................................................................................................4-2

Rear controls .................................................................................................................................................................................4-2

Front controls and LEDs ............................................................................................................................................................. 4-2

Status screen ................................................................................................................................................................................4-4

Operating the Powermax65 or Powermax85 ................................................................................................................................... 4-6

Connect the electrical power, gas supply, and torch lead .................................................................................................4-6

Attach the work lead to the power supply .............................................................................................................................. 4-7

Attach the work clamp to the workpiece ................................................................................................................................4-8

Turn ON the system .....................................................................................................................................................................4-9

Set the operating mode switch ................................................................................................................................................. 4-9

Check the indicators ................................................................................................................................................................. 4-10

Manually adjusting the gas pressure ..................................................................................................................................... 4-10

Adjusting the current (amperage) .......................................................................................................................................... 4-11

Understanding duty-cycle limitations .................................................................................................................................... 4-12

Using the hand torch ........................................................................................................................................................................... 4-13

Operate the safety trigger ....................................................................................................................................................... 4-13

Hand torch cutting hints .......................................................................................................................................................... 4-14

Start a cut from the edge of the workpiece......................................................................................................................... 4-15

Pierce a workpiece .................................................................................................................................................................... 4-16

Gouge a workpiece .................................................................................................................................................................. 4-17

Common hand-cutting faults .................................................................................................................................................. 4-20

Using the machine torch .................................................................................................................................................................... 4-21

Ensure the torch and table are set up correctly ................................................................................................................. 4-21

Understand and optimize cut quality ..................................................................................................................................... 4-21

To pierce a workpiece using the machine torch ................................................................................................................ 4-23

Common machine-cutting faults ............................................................................................................................................ 4-24