Lincoln Electric LN-25 SVM114-C - Manual (Page 10)

INSTALLATION A-4
LN-25™
A-4
c. Place “Set to Same Polarity As Electrode Cable
Connection” switch at appropriate position.
d. Place power source toggle switch in “Output
Control at DC(CV) -400™” position, unless a
remote control is connected to 75, 76 and 77 on
the power source terminal strip or to the MS type
connector.
e. If power source has a mode switch, set switch to
Constant Voltage Innershield. Initially set the
output control on “6”.
DC-600 ™
a. Connect a jumper from 2 to 4 on the power source
terminal strip so the output will be energized when
the DC-600™ is turned on. (For DC-600™ below
Code 8200, also jumper N to S.)
b. Connect the electrode cable to the output terminal
of polarity required by electrode. Connect work
lead to other output terminal.
c. Place “Set to Same Polarity As Electrode Cable
Connection” switch at appropriate position.
d. Place power source toggle switch in “Output
Control at DC-600™” position, unless a remote
control is connected to 75, 76 and 77 on the DC-
600™ terminal strip.
e. Set mode switch to Constant Voltage Innershield.
Initially set output control on “4”.
SAM-400 ™ , –650 ™
a. Connect a jumper from 2 to C4 on the power
s o u r c e t e r m i n a l s t r i p s o t h e o u t p u t w i l l b e
energized when the SAM power source is on.
b. C o n n e c t wo r k l e a d t o WO R K s t u d . C o n n e c t
electrode to AUTO EQUIPMENT stud. Connect
SAM-650™ “Tap” lead to the Innershield stud
desired.
c. Set ELECTRODE POLARITY switch to constant
voltage polarity required by electrode.
d. Set toggle switch to “Constant Voltage” and set
the Constant Voltage Control on welder and the
portable field control on #5 for initial start.
SA-200 ™ , –250 ™ OR SAE-300 ™ , –400 ™
(WITH CV ADAPTER)
a. Fo r e l e c t r o d e n e g a t i ve we l d i n g , c o n n e c t t h e
electrode lead from the LN-25™ to the output
terminal on the CV Adapter, and the work lead to
t h e p owe r s o u r c e o u t p u t t e r m i n a l l a b e l e d
“ P O S I T I V E ” . Fo r e l e c t r o d e p o s i t i ve we l d i n g ,
interchange the above lead connections so the
LN-25™ electrode lead is then connected to the
positive power source terminal.
b. Place both switches on the CV Adapter to the CV
INNERSHIELD position and make appropriate
power source settings per the CV Adapter instruc-
tions provided for the power source being used.
c. The output voltage is set with the voltage control
on the CV Adapter.
NOTE: Refer to the Instruction Manual provided with
the machine for details on connection and operation
of the LN-25™ with the power source.
INVERTEC, CV300 ™ AND OTHER
NEWER LINCOLN POWER SOURCES
Refer to the instruction manual provided with the
power source for details on connection and operation
of the LN-25™ with these newer machines.
GUN CABLE CONNECTION TO
FEEDER
Lay the cable out straight. Insert the connector on the
welding conductor cable into the brass conductor block
on the front of the wire drive unit. Make sure it is all the
way in and tighten the hand wheel clamp. Keep this
connection clean and bright. Connect the control cable
polarized amphenol plug into the mating 5-cavity
receptacle on the front panel of the wire feeder case.
FOR GMA GUN AND CABLES:
Requires installation of K430-1 or K430-2 Gas
Solenoid Kit (factory installed on K446 and K449
models).
See K430-1 or K430-2 Gas Solenoid Kit Section (in
Accessories Section) for gas solenoid operation and
gas supply connection.
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