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B-3
OPERATION
B-3
1. ANALOG VOLTMETER
The analog voltmeter shows the voltage between
electrode and work. On across the arc models, the
voltmeter shows open circuit voltage when the wire
feeder is not welding. The voltmeter is polarity
insensitive and the range is 0 – 40VDC.
(See Customer Assistance Policy in the front of this
Instruction Manual)
CASE FRONT CONTROLS (See Figure B.1)
ITEM DESCRIPTION
1 Analog Voltmeter
2 Wire Feed Speed Knob
3 5-pin gun trigger connector
4 Work sense lead
5 Thermal LED, MOTOR OVERLOAD
6 Polarity LED
1
5
2
6
3
4
FIGURE B.1
LN-25 PRO EXTREME