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TABLE OF CONTENTS
viii
HPR260 Auto Gas
Instruction Manual
5
Metering console .............................................................................................................................................................................4-3
CNC controller requirements ..................................................................................................................................................................4-4
CNC screen examples..............................................................................................................................................................................4-5
Main (control) screen ......................................................................................................................................................................4-5
Diagnostic screen ............................................................................................................................................................................4-6
Test screen.........................................................................................................................................................................................4-7
Cut chart screen...............................................................................................................................................................................4-8
Consumable selection...............................................................................................................................................................................4-9
Mild steel............................................................................................................................................................................................4-9
Stainless steel ................................................................................................................................................................................4-10
Aluminum.........................................................................................................................................................................................4-10
Install consumables .................................................................................................................................................................................4-11
Cut charts ..................................................................................................................................................................................................4-12
Bevel cutting...................................................................................................................................................................................4-12
Marking ............................................................................................................................................................................................4-12
Consumables for mirror-image cutting .....................................................................................................................................4-12
Estimated kerf width compensation..........................................................................................................................................4-13
Changing consumable parts .................................................................................................................................................................4-42
Remove consumables ..................................................................................................................................................................4-42
Inspect consumables....................................................................................................................................................................4-43
Inspect torch...................................................................................................................................................................................4-44
Inspect electrode pit depth .........................................................................................................................................................4-45
Replace torch water tube.......................................................................................................................................................................4-46
Common cutting faults............................................................................................................................................................................4-47
How to optimize cut quality...................................................................................................................................................................4-48
Tips for table and torch ................................................................................................................................................................4-48
Plasma set-up tips.........................................................................................................................................................................4-48
Maximize the life of consumable parts......................................................................................................................................4-48
Additional factors of cut quality..................................................................................................................................................4-49
Additional improvements .............................................................................................................................................................4-50
Section 5 MAINTENANCE .................................................................................................................................................5-1
Introduction ..................................................................................................................................................................................................5-3
Routine maintenance .................................................................................................................................................................................5-3
System description ....................................................................................................................................................................................5-4
Control and signal cables ..............................................................................................................................................................5-4
Sequence of operation..............................................................................................................................................................................5-5
Gas system purge cycle ...........................................................................................................................................................................5-6
Gas system valve usage ...........................................................................................................................................................................5-6
Marking process...............................................................................................................................................................................5-8
PCB block diagram....................................................................................................................................................................................5-9
Error codes................................................................................................................................................................................................5-10
Error code troubleshooting – 1 of 10.......................................................................................................................................5-11
Error code troubleshooting – 2 of 10.......................................................................................................................................5-12
Error code troubleshooting – 3 of 10.......................................................................................................................................5-13
Error code troubleshooting – 4 of 10.......................................................................................................................................5-14
Error code troubleshooting – 5 of 10.......................................................................................................................................5-15
