Lincoln Electric FlexCut 200 Service Manual page 7

LINCOLN ELECTRIC FlexCut® 200 Service Manual
PILOT BOARD TEST PROCEDURE ............................................................................................................ 59
MAIN CURRENT LEM TEST PROCEDURE .................................................................................................. 63
PILOT CURRENT LEM TEST PROCEDURE .................................................................................................. 66
ARCLINK I/O BOARD TEST PROCEDURE .................................................................................................. 69
PRESSURE SENSE BOARD TEST PROCEDURE ........................................................................................... 73
40 VDC BUS BOARD TEST PROCEDURE ................................................................................................... 76
Removal And Replacement Procedures .......................................................................................................... 79
INPUT RECTIFIER (D1) REMOVAL AND REPLACEMENT PROCEDURE ........................................................ 79
AUXILIARY TRANSFORMER (T2) REMOVAL AND REPLACEMENT PROCEDURE .......................................... 81
FAN REMOVAL AND REPLACEMENT PROCEDURE ................................................................................... 85
CHOKE REMOVAL AND REPLACEMENT PROCEDURE ............................................................................... 88
THERMOSTAT REMOVAL AND REPLACEMENT PROCEDURE .................................................................... 91
AUXILIARY RECTIFIER (D4) REMOVAL AND REPLACEMENT PROCEDURE .................................................. 93
USER INTERFACE BOARD REMOVAL AND REPLACEMENT PROCEDURE .................................................... 95
SWITCH BOARD REMOVAL AND REPLACEMENT PROCEDURE ................................................................. 97
INPUT SWITCH REMOVAL AND REPLACEMENT PROCEDURE ................................................................. 100
SOLENOID 1, 2 AND 3 REMOVAL AND REPLACEMENT PROCEDURE ....................................................... 102
POWER TRANSFORMER (T1) REMOVAL AND REPLACEMENT PROCEDURE ............................................ 105
VOLTAGE DIVIDER BOARD REMOVAL AND REPLACEMENT PROCEDURE ............................................... 108
SNUBBER BOARD REMOVAL AND REPLACEMENT PROCEDURE ............................................................. 110
PILOT BOARD REMOVAL AND REPLACEMENT PROCEDURE ................................................................... 114
MAIN CURRENT LEM REMOVAL AND REPLACEMENT PROCEDURE ........................................................ 116
PILOT CURRENT LEM REMOVAL AND REPLACEMENT PROCEDURE ........................................................ 118
ARCLINK I/O BOARD REMOVAL AND REPLACEMENT PROCEDURE ........................................................ 120
PRESSURE SENSE BOARD REMOVAL AND REPLACEMENT PROCEDURE ................................................. 122
40 VDC BUS BOARD REMOVAL AND REPLACEMENT PROCEDURE ......................................................... 124
ISOTOP IGBT REMOVAL AND REPLACEMENT PROCEDURE .................................................................... 126
RETEST AFTER REPAIR .......................................................................................................................... 128
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