Lincoln Electric IM408 MAGNUM SG SPOOL GUN - Manual (Page 11)

Installation to Lincoln SP-250
The K487 Spool Gun connects directly to the
SP-250 with either a K531-1 or K531-2 Spool
G u n M o d u l e K i t . T h e K 5 3 1 - 1 k i t i s f o r
SP-250’s with a S19636-1 (or earlier) ROM and
the K531-2 kit is for S19636-2 ROM (or later).
To see which kit you need, turn the SP-250 on
and watch the display. If the display reads
S19636-2 (or higher) you can use the K531-2
kit; if not, you need the K531-1 kit with the new
ROM assembly. For further details regarding
the installation and operation of the Spool Gun
with the SP-250, see the SP-250 Operating
Manual (IM397) or the M16393 Installation and
Operation Sheet provided with the kit.
Installation to Lincoln SP-150
NOTE: Remote wire speed control will not be
functional when K487 Spool Gun is connected
to SP-150. Installation of K487 to SP-150
requires K516 Adapter Assembly.
3. Route end of spool gun control through hole
in front panel and attach to mating connector
of K516 Spool Gun Adapter assembly.
4. Connect red and brown wires of adapter
ssembly to trigger connectors on center
panel. These wires are from the trigger
switch and are interchangeable.
1. Turn off and disconnect electrical power to
welder.
2. Open left side door. Remove trigger wires
from connectors on center panel. If welder is
above Code 9100, remove motor wires from
connectors (marked “Motor”) on center
panel; if welder is below Code 9100, remove
right side cover and remove motor control
wires from motor control circuit board and
pull wires through hole in center panel to left
side of unit. Loosen clamping screw on
connector block and remove gun cable and
control wires through hole in front panel. See
SP-150 Operating Manual (IM340) for details.
5. Connect the black and white motor leads as
follows. Refer to the appropriate illustration
as needed.
5A. Above Code 9100: Connect black and
white wires of adapter assembly to
corresponding terminals on center panel.
5B. Below Code 9100: Connect black and
white extension wires to matching color
wires of adapter assembly and route
through hole in center panel to right side
of welder. Connect white wire to pin 539
and black wire to pin 541 of motor
control circuit board. Reinstall right side
cover.
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