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TROUBLESHOOTING & REPAIR
F-64 F-64
RANGER 8
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 2150-2250 NA
High Idle 3700-3750 3100-3600
WELDER DC OUTPUT
1
Output Control Range Switch Open Circuit Load Volts Load Amps
Volts
Maximum Maximum 67 - 72 21 - 26.5 205 - 240
WELDER AC OUTPUT
1
Output Control Range Switch Open Circuit Load Volts Load Amps
Volts
Maximum Maximum 73 - 80 25 - 32 225 - 275
WELDER CV OUTPUT
1
Output Control Range Switch Open Circuit Load Volts Load Amps
Volts
Maximum Wire Feed CV 29 - 33 19 - 22 200 - 220
AUXILIARY POWER RECEPTACLE OUTPUT
1
230 Volt Receptacle 115 Volt Receptacle
2
Open Circuit Load Volts Load Amps Open Circuit Load Volts Load Amps
Voltage Voltage
236 - 253 207 - 240 34 - 41.5 118 - 126.5 103.5 - 115 70 - 80
FIELD AMPS AND VOLTS
Slip Ring Volts Field Amps
37 - 46 VDC 6.7 - 8.2 VDC
1
OUTPUT CONTROL switch set at MAXIMUM (position 10).
2
Output values of each receptacle can vary within the range shown but must be within 2 volts of each other.