Lincoln Electric IM475 MAGNUM 550 GUN & CABLE - Manual (Page 13)

A-6 INSTALLATION
MAGNUM® 550
A-6
h. Insert the control cable plug from the feeder trigger cir-
cuit into the mating socket on the gun cable connector.
Installation of Optional Gun Hanger (See Figure 2)
a. Remove gun tube from gun by loosening the
clamping screw with a 3/16” (4.8mm) Allen
wrench.
b. Slip hanger into collar so notches on hanger fit
into slot on I.D. of collar. Slip the two parts onto
the gun tube and hold in place by lightly tightening
the set screw in the collar with a 5/64” (2.0mm)
Allen wrench.
c. Replace gun tube in gun and tighten socket head
clamping screw. Position hanger on gun tube and
tighten collar set screw.
Figure 2
GAS INLET FOR
MAGNUM 550 GUN
GUN RECEPTACLE KNOB
GUN RECEPTACLE
GAS INLET RETAINING SCREWS
GAS TUBE
GAS INLET
GUN SLEAVE
G U N H A N D L E
H A N G E R N O T C H
C O L L A R S L O T
C O L L A R S E T S C R E W
H A N G E R
C L A M P I N G S C R E W
C O L L A R
G U N T U B E
b. Fully push the brass connector end of the gun and
cable into the connector receptacle on the outgoing
side of the feeder wire drive. Tighten the hand screw to
clamp down on the connector.
c. Insert the control cable plug from the feeder trigger cir-
cuit into the mating socket on the gun cable connector
handle.
Connection to Older Hobart Feeders
Gun and cable assemblies which were assembled with a
K613-4 Connection Kit will connect easily to a variety of
older Hobart wire feeders.
a. Check that the gun liner, connector cap liner, drive
roll(s) and guide tubes are appropriate for the electrode
size being used. Four different diameter pieces of liner
material are included in each kit.
b. Fully push the brass connector end of the gun and
cable into the connector receptacle on the outgoing
side of the feeder wire drive. Tighten the hand screw to
clamp down on the connector.
c. Insert the control cable plug from the feeder trigger cir-
cuit into the mating socket on the gun cable connector
handle.
d. Slide the free end of the flexible hose (mounted to the
gun) onto the gas fitting on the Hobart wire feeder.
Move the corresponding tubing clamp down near the
end of the tube to assure a good gas seal.
Connection to Hobart Series 2000 Wire Feeders
Gun and cable assemblies which were assembled with a K613-5
connection kit will connect to a variety of Hobart series 2000 wire
feeders. If the wire feeder has not been revised to accept a 500
amp gun receptacle, install the gas inlet provided with the K613-5
kit as follows:
a.
Hold the gun receptacle and remove the gun receptacle
knob.Lower the gun receptacle.
b. Remove the two retaining screws that secure the gas
inlet to the wire feeder and pull the gas inlet out. Then
remove the gun sleeve. If the gun sleeve does not
come out easily, insert a screwdriver into the slot pro-
vided and pry the sleeve out.
c. Hold the gas tube with the hose attached and unscrew
the gas inlet. Screw the gas inlet provided with the kit
onto the gas tube.
d. Slide the gas inlet into the wire feeder with the wide
groove toward the drive rolls. Replace the retaining
screws to secure the gas inlet in place.
e. Raise the gun receptacle and reinstall the gun receptacle knob.
f. Check that the gun liner, guide tubes and drive rolls are
appropriate for the electrode size being used.
g. Fully push the brass connector end of the gun and
cable into the gas inlet and tighten the gun receptacle
knob.