Lincoln Electric Classic 300 MP Service Manual page 7

LINCOLN ELECTRIC Classic® 300 MP Service Manual
OUTPUT CHOKE TEST PROCEDURE ......................................................................................................... 39
EXCITER FIELD DIODE TEST PROCEDURE ................................................................................................. 41
EXCITER BRUSH AND SLIP RING SERVICE PROCEDURE ............................................................................ 44
WELDING GENERATOR BRUSH AND COMMUTATOR INSPECTION AND SERVICE...................................... 47
ROCKER ADJUSTMENT PROCEDURE ....................................................................................................... 50
EXCITER ROTOR VOLTAGE TEST PROCEDURE .......................................................................................... 52
EXCITER ROTOR RESISTANCE AND GROUND TEST .................................................................................. 55
EXCITER FLASHING VOLTAGE TEST PROCEDURE ..................................................................................... 58
EXCITER STATOR SHORT CIRCUIT & GROUND TEST PROCEDURE ............................................................. 60
WELD CIRCUIT GROUND AND SHORT CIRCUIT TEST PROCEDURE ............................................................ 63
SHUNT FIELD COIL RESISTANCE AND GROUND TEST PROCEDURE ........................................................... 65
SHUNT FIELD CIRCUIT VOLTAGE TEST PROCEDURE ................................................................................. 67
Removal And Replacement Procedures .......................................................................................................... 69
ENGINE CONTROL UNIT (ECU) REMOVAL AND REPLACEMENT PROCEDURE ............................................ 69
CONTROL BOARD REMOVAL AND REPLACEMENT PROCEDURE ............................................................... 72
CONTACTOR CR1 REMOVAL AND REPLACEMENT PROCEDURE ............................................................... 75
CONTACTOR CR2 REMOVAL AND REPLACEMENT PROCEDURE ............................................................... 78
SELECTOR SWITCH REMOVAL AND REPLACEMENT PROCEDURE ............................................................. 81
OUTPUT CHOKE REMOVAL AND REPLACEMENT PROCEDURE ................................................................. 83
EXCITER FIELD DIODE REMOVAL AND REPLACEMENT PROCEDURE ......................................................... 86
FUEL TANK REMOVAL AND REPLACEMENT PROCEDURE ......................................................................... 89
EXCITER BRUSH REMOVAL AND REPLACEMENT PROCEDURE ................................................................. 93
EXCITER ROTOR REMOVAL AND REPLACEMENT PROCEDURE ................................................................. 96
EXCITER STATOR REMOVAL AND REPLACEMENT PROCEDURE ................................................................ 98
GENERATOR FRAME REMOVAL AND REPLACEMENT PROCEDURE ........................................................ 107
GENERATOR ARMATURE REMOVAL AND REPLACEMENT PROCEDURE .................................................. 109
RETEST AFTER REPAIR .......................................................................................................................... 111
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