Lincoln Electric PERKINS SA-250 User Manual
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TABLE OF CONTENTS
Page
GENERAL DESCRIPTION ..................................................................................................7
DESIGN SUMMARY ............................................................................................................7
OPTIONAL FEATURES.......................................................................................................8
SPECIFICATIONS ...............................................................................................................9
PRE-OPERATION INSTALLATION .................................................................................10-11
Safety Precautions .......................................................................................................10
Exhaust Spark Arrester ................................................................................................10
Location/Ventilation ......................................................................................................10
Machine Grounding ......................................................................................................10
Lift Bail..........................................................................................................................10
Trailers .......................................................................................................................10-11
Polarity Control and Cable Sizes..................................................................................11
PRE-OPERATION SERVICE .............................................................................................12
Oil ...............................................................................................................................12
Fuel...............................................................................................................................12
Cooling System ............................................................................................................12
Battery Charging...........................................................................................................12
ENGINE OPERATION ........................................................................................................13
Starting the Perkins D3.152 Engine .............................................................................13
Stopping the Perkins D3.152 Engine............................................................................13
WELDER OPERATION ....................................................................................................14-15
Duty Cycle ....................................................................................................................14
Control of Welding Current ...........................................................................................14
Idler Operation..............................................................................................................14
Auxiliary Power.............................................................................................................15
MAINTENANCE ...............................................................................................................15-17
General Instructions for Diesel Engine Welders...........................................................15
Cooling System ............................................................................................................16
Bearings .......................................................................................................................16
Commutator and Brushes.............................................................................................16
Idler Maintenance .........................................................................................................17
Nameplate ....................................................................................................................17
TROUBLESHOOTING .....................................................................................................17-20
Welder Troubleshooting.............................................................................................17-19
Flashing the Fields .......................................................................................................19
Electronic Idler Troubleshooting ...................................................................................20
WIRING DIAGRAM - SA-250..............................................................................................21
DIMENSION PRINT ............................................................................................................22
PARTS LISTS.................................................................................P237 Series, P78-D and P25-L