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TROUBLESHOOTING & REPAIR
F-104 F-104
COMMANDER 300
RETEST AFTER REPAIR
Retest a machine:
• If it is rejected under test for any reason that requires you to remove any mechanical part which could affect the
machine’s electrical characteristics. OR
• If you repair or replace any electrical components.
ENGINE OUTPUT
Mode No Load RPM Load RPM
Low Idle 1350 - 1400 NA
High Idle 1880 - 1919 1780 - 1820
WELDER DC (STICK) OUTPUT
Mode Selector Fine Control Open Circuit Load Volts Load Amps
Switch Volts
30-375 Setting Maximum 82-89 34-38 375-380
PIPE MODES SHORT CIRCUIT CURRENT
(FINE CONTROL AT MAXIMUM)
Selector Position Short Circuit Current (Amps)
60 80-120
90 180-210
150 280-320
230 380-410
300 380-410
WELDER CV (WIRE) OUTPUT
Mode Selector Fine Control Open Circuit Load Volts Load Amps
Switch Voltage
CV Mig/Mag Maximum 61-64 40-46 370-380
CV Mig/Mag Maximum 61-64 48-52 20
CV Mig/Mag Minimum 28-32 11-14 20
AUXILIARY POWER OUTPUT
230 Volt Receptacle 115 Volt Receptacles
Open Circuit Load Volts Load Amps Open Circuit Load Volts Load Amps
Voltage Voltage
230 - 264 216-250 44 115 - 132 108 - 132 15