6 MAXPRO200 Instruction Manual 807700 Revision 1
Contents
Power supply coolant system servicing ..................................................................................................................................... 139
Draining the coolant system .................................................................................................................................................. 139
Coolant flow test ...................................................................................................................................................................... 140
Coolant system filter replacement ....................................................................................................................................... 142
Air filter element replacement ....................................................................................................................................................... 143
Control board ................................................................................................................................................................................... 144
Control board LED list ............................................................................................................................................................ 144
Control board test points ....................................................................................................................................................... 144
Gas leak tests ................................................................................................................................................................................... 147
Start circuit ........................................................................................................................................................................................ 148
Operation ................................................................................................................................................................................... 148
Start circuit functional schematic ......................................................................................................................................... 148
Start circuit troubleshooting .................................................................................................................................................. 149
Pilot arc current levels .................................................................................................................................................................... 151
Transfer current ........................................................................................................................................................................ 151
Chopper tests .................................................................................................................................................................................. 152
Automatic chopper and current sensor tests during power-up .................................................................................... 152
Using a meter to measure open circuit voltage (OCV) ...........................................................................................153
Phase loss detection ..............................................................................................................................................................154
Torch lead test ......................................................................................................................................................................... 155
Preventive maintenance ................................................................................................................................................................. 156
Introduction ............................................................................................................................................................................... 156
Preventive maintenance protocol ......................................................................................................................................... 156
The power supply .................................................................................................................................................................... 156
Cooling system ........................................................................................................................................................................ 157
Torch main body ...................................................................................................................................................................... 157
Gas flows .................................................................................................................................................................................. 157
Cable connections .................................................................................................................................................................. 158
Ignition enclosure .................................................................................................................................................................... 158
System grounding ................................................................................................................................................................... 158
............................................................................................................................................................................................................. 158
Preventive Maintenance Master Schedule ................................................................................................................................159
Daily: ........................................................................................................................................................................................... 159
Weekly: ......................................................................................................................................................................................159
Semi-annually: ..........................................................................................................................................................................159
Annually: .................................................................................................................................................................................... 159
Preventive Maintenance Protocol Checklist .............................................................................................................................. 160
Year 1 preventive maintenance (PM) kits .................................................................................................................................. 161
Maintenance kits parts list ...................................................................................................
.................................................. 161
Service parts
replacement schedule .......................................................................................................................................... 161
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