Retest After Repair - Lincoln Electric NA-5N Service Manual

F-85
If a failed test indicates that any mechanical part that could affect the machine's electrical characteristics must be
replaced or if any electrical components are repaired or replaced, the machine must be retested and must meet
the following standards.
Wire Feed Speed per following table:..........................
Gear Ratio
LEDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Must operate per PC Board LED Definitions table in
Flux or Water Solenoid . . . . . . . . . . . . . . . . . . . .Must operate when "Start" switch is pressed.
Relay 3CR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Must operate and "close" power source contactor.
Relay 2CR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Must operate and activate external travel circuit, if used.
Voltmeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Refer to Voltmeter Accuracy Test .
Wire Speed Meter . . . . . . . . . . . . . . . . . . . . . . . .Refer to Wire Speed Accuracy Test .
Voltage control and shutdown . . . . . . . . . . . . . . .Refer to Out of Voltage Range Shut Down Test .
TROUBLESHOOTING & REPAIR

RETEST AFTER REPAIR

Wire Speed Range in/min (m/min)
21/1
57/1
95/1
142/1
NA-5
100-2070 (2.54-52.58)
38-778 (.97-19.76)
22-456 (.56-11.58)
15-300 (.38-7.62)
Troubleshooting Section .
F-85