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for use of the K487 Spool Gun (with remote
speed control), or the K469 Spool Gun
(requires K518 Connection Adapter).
It also provides single switch transfer of
Trigger and Wire Speed Controls between
the 250SP gun or the spool gun for same
polarity welding with different wire and gas
processes.
The kit includes a spool gun adapter mod-
ule assembly with plug for front installation
and connects to the machine. Also includes
a rear gas inlet fitting with hose, a gun and
cable holder, mounting hardware, and
installation and operation instructions.
(L-9696).
For spool gun installation refer to L9696
instructions included with spool gun adapter
kit (K672-1).
The spool gun module is intended for
use with Lincoln Electric
®
Magnum™
Spool Guns only. Use with other units
may cause damage to the equipment.
For Spool Gun operation, refer to the
instruction manual provided with the
Magnum™ Spool Gun.
MAKING A WELD WITH THE
SPOOL GUN ADAPTER AND
SPOOL GUN INSTALLED
The toggle switch on the front of the spool
gun adapter box permits quick transfer
between the use of the SP-255 with its
feeder gun and the connected spool gun for
same polarity electrodes.
In either
transfer switch position, closing
the gun trigger will cause the electrode
of both guns to be electrically “HOT”. Be
sure unused gun is positioned so that
electrode or tip will not contact metal
case or other metal common to work.
1. Transfer switch in FEEDER position:
a. Disables spool gun trigger, wire feed
and gas output.
C-1
ACCESSORIES
OCT94 IDEALARC SP-255
3/64" (1.2 mm) ALUMINUM
FEEDING KIT (K673-1)
The kit provides gun and wire drive conver-
sion parts to weld with 3/64" (1.2 mm) alu-
minum wire. 5356 alloy aluminum wire is
recommended for best push feeding perfor-
mance.
Kit includes drive roll and incoming guide
tube for the wire drive, and a 45° gun tube,
liner and two contact tips for the gun. Install
per the S21529 Installation Instructions pro-
vided with the kit.
8" SPOOL ADAPTER (K468)
Permits use of 8" (200 mm) spools on the
SP-255 spindle.
DUAL CYLINDER MOUNTING
KIT (K671-1)
Permits stable side-by-side mounting of two
full size (9" dia. x 5' high) gas cylinders, with
“no-lift” loading. Simple installation with
installation kick stand and easy instructions.
Includes upper and lower cylinder supports,
wheel axles and mounting hardware.
SPOOL GUN DESCRIPTION
The optional Magnum SG Spool gun is a
lightweight, well-balanced, hand held semi-
automatic wire feeder. It is available in two
models, the K469-25 and the K487-25 with
remote wire speed control.
SPOOL GUN ADAPTER KIT
(OPTIONAL K672-1)
The K672-1 Spool Gun Adapter Kit provides
recessed panel “up front” direct connection
DRIVE ROLL KITS
Drive Rolls available to feed different sizes
and types of electrode:
Drive Roll
Drive Rolls Part No.
Steel Wire Sizes:
.025-.035" (0.6-0.9 mm) KP674-035S
.030-.045" (0.8-1.2 mm) KP674-045S
.045" Cored (1.2 mm) KP674-045C
Aluminum Wire Sizes:
3/64" (1.2 mm) KP674-3/64A
CAUTION
CAUTION