
SR-100i User’s Manual
Section 5 Maintenance and Troubleshooting............................5-1
Daily Procedures ...................……........................................................................................5-1
Monthly Procedures ..............................................................................................................5-2
230/460V 60 Hz Transformer Configurations ......................................................................5-4
220/380V 50 Hz Transformer Configurations ......................................................................5-6
Logic-Regulator Status LED’s ..............................................................................................5-8
Logic-Regulator Sequence of Operation .............................................................................. 5-8
General Troubleshooting ...................................................................................................... 5-9
Chopper Test Procedure ........................................................................................................5-12
Section 6 Parts List...........................................................................................6-1
Power Supply ........................................................................................................................6-1
Torch and Handle Assembly .................................................................................................6-9
Shielded Torch Leads ........................................................................................................... 6-10
Consumable Spare Parts Kit ................................................................................................. 6-11
Logic-Regulator P.C. Board ................................................................................................. 6-12
Chopper P.C. Board ..............................................................................................................6-13
Appendix A Electromagnetic Compatibility (EMC)..........A-1
Background ...........................................................................................................................A-1
Installation and Use ...............................................................................................................A-1
Assessment of Area ...............................................................................................................A-2
Methods of Reducing Emissions .......................................................................................... A-2
Primary Power Connection ...................................................................................................A-4
EMI Filter Parts List ............................................................................................................. A-5
Illustrations
Figure 2-1 Power Supply Dimensions ............................................................................2-2
Figure 2-2 Torch Dimensions .........................................................................................2-3
Figure 3-1 Primary Power Connections ......................................................................... 3-2
Figure 3-2 Power Supply Output Connections ...............................................................3-4
Figure 3-3 Torch Connections ........................................................................................3-5
Figure 3-4 Gas Supply Connections ...............................................................................3-7
Figure 4-1 Front Panel Controls .....................................................................................4-2
Figure 4-2 Torch Consumables ...................................................................................... 4-4
Figure 4-3 Electrode Advancing Tool ............................................................................4-5
Figure 4-4 Mild Steel Cutting Chart (30-50 amps) ........................................................ 4-9
Figure 4-5 Mild Steel Cutting Chart (75-100 amps) ...................................................... 4-10
Figure 4-6 Stainless Steel Cutting Chart (30-50 amps) ..................................................4-11
Figure 4-7 Stainless Steel Cutting Chart (75-100 amps) ................................................4-12
Figure 4-8 Aluminum Cutting Chart (30-50 amps) ........................................................4-13
Figure 4-9 Aluminum Cutting Chart (75-100 amps) ......................................................4-14