HT4400 Instruction Manual 4-1
2
Section 4
OPERATION
In this section:
Controls and Indicators ...................................................................................................................................4-2
Gas Console...........................................................................................................................................4-2
Gas Console Controls and Indicators.....................................................................................................4-3
Status Display Messages on the Gas Console ......................................................................................4-4
Power Supply ........................................................................................................................................4-4
Power Supply ........................................................................................................................................4-5
Remote Current Control Console ...........................................................................................................4-5
Leak Tests .......................................................................................................................................................4-6
Daily Startup....................................................................................................................................................4-8
Common Cutting Faults ................................................................................................................................4-12
Performance and Process Data....................................................................................................................4-13
Cut Chart and Consumable Parts Index .......................................................................................................4-14
Cut Charts.....................................................................................................................................................4-15
Changing Consumable Parts ........................................................................................................................4-23
Remove Consumables .........................................................................................................................4-23
Inspect Consumables...........................................................................................................................4-24
Inspect Torch ........................................................................................................................................4-25
Inspect Electrode Pit Depth..................................................................................................................4-26
Install Consumables .............................................................................................................................4-27
Replace Torch Water Tube............................................................................................................................4-28
Cutting Techniques........................................................................................................................................4-29
How to Get Better Cut Quality ..............................................................................................................4-29
How to Get Longer Consumable Life ...................................................................................................4-30
How to Get Better Pierces....................................................................................................................4-32
How to Increase Cutting Speed............................................................................................................4-32
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