Connecting The Ln-8 Or Ln-9 To The Idealarc Dc-600 - Lincoln Electric Idealarc DC600 9773MSP Service Manual

CONNECTING THE LN-8 OR LN-9 TO THE
IDEALARC DC-600
1. Disconnect AC input power to the IDEALARC DC-
600.
2. Set the IDEALARC DC-600 ON/OFF PUSH
BUTTON to OFF.
3. Connect the wire feeder control cable leads to the
IDEALARC DC-600 terminal strip as shown in
Figure C.7.
4. Connect the wire feeder control cable ground lead
to the frame terminal marked (
NOTE: The IDEALARC DC-600 must be properly
grounded.
5. Extend wire feeder control cable lead #21 so it can
be connected directly to the work piece.
a. Make a bolted connection using AWG #14 or
larger insulated wire. Tape the bolted connec-
tion with insulating tape.
b. An S-16586- X remote voltage sensing work
lead is available for this purpose.
c. Keep the #21 lead electrically separate from
the work cable circuit and connection.
d. Tape the #21 lead to work cable for ease of
use.
NOTE: Using the extended #21 lead eliminates
the need to use the LN-9's remote work
accessory which has a direct work lead jack.
6. Connect LN-9 wire feeder control jumpers on
Voltage Control board.
Manual.
a. White jumper on Voltage Control Board to pin
"S."
b. Blue jumper on Voltage Control Board to pin
"B."
ACCESSORIES
).
lead
See LN-9 Operator's
21 4 2 31 32
75 76 77 80 81
+
–
POSITIVE
NEGATIVE
TO WORK
FIGURE C.7 - LN-8 OR LN-9 WIRE FEEDER
CONNECTION TO THE IDEALARC DC-600
NOTE: On earlier units, the blue jumper on Voltage
Control Board is connected to Pin "B" on Start Board.
NOTE: The connection diagram shown in Figure C.7
shows the electrode connected for positive polarity. To
change polarity:
a. Set the IDEALARC DC-600 ON/OFF PUSH
BUTTON to OFF
b. Move the electrode cable to the Negative (-)
output terminal
c. Move the work cable to the Positive (+) output
terminal.
d. Set the IDEALARC DC-600 CONTROL CIR-
CUIT POLARITY SWITCH to NEGATIVE.
C-7
LN8 OR LN 9
WIRE
FEEDER
CONTROL
CABLE
TO INPUT
CABLE
C
B
A
32
31
2
4
21
GND
ELECTRODE
CABLE TO WIRE
FEEDER
IDEALARC DC-600