English
English
11
3. Rotate the wire drive to the desired position and
tighten the screw.
Pinion Gear Ratio
As shipped from the factory, a 20 tooth pinion gear is
installed. If desired, the 30 tooth pinion gear may be
installed for more speed but less torque.
A. 20 tooth pinion gear (standard
speed)
B. 30 tooth pinion gear (high speed)
Figure #24
1. Turn power OFF at the welding power source.
2. Open the wire drive door and loosen the set screw
holding the hinge pin using a 5/64” hex key. Slide
the hinge pin towards the rear and remove the door.
A. Hinge
pin
B. Set
screw
Figure #25
3. Remove the two socket head cap screws securing
the feed plate and remove the feed plate from
clamp.
A. (2) socket head cap screws
Figure #26
4. Remove the screw holding the pinion gear using a
Phillips screw driver. Remove the pinion gear.
5. Install the new pinion gear.
6. Position the feed plate and tighten the socket head
cap screws.
7. Re-assemble the hinge pin and door. Secure the
hinge pin with the set screw.
8. Turn power ON.
9. Enter the set-up menu and select P.18. Adjust to
match the pinion gear installed.
10. Turn power OFF, then back ON for the settings to
take effect.
Shielding Gas Connection
WARNING
Maximum inlet pressure is 6.9 bar
The inlet fitting is 5/8-18 CGA type connection
Use KIT Quick connector R-2013-027-1R &
D-1319-010-1R
Install the shielding gas supply as follows:
1. Secure the cylinder to prevent it from falling.
2. Remove the cylinder cap. Inspect the cylinder
valves and regulator for damaged threads, dirt, dust,
oil or grease. Remove dust and dirt with a clean
cloth.
DO NOT ATTACH THE REGULATOR IF
OIL, GREASE OR DAMAGE IS PRESENT!
Inform
your gas supplier of this condition. Oil or grease in
the presence of high pressure oxygen is explosive.
3. Stand to one side away from the outlet and open the
cylinder valve for an instant. This blows away any
dust or dirt which may have accumulated in the
valve outlet.
4. Attach the flow regulator to the cylinder valve and
tighten the union nut(s) securely with a wrench.
Note: if connecting to 100% CO
2
cylinder, insert
regulator adapter between regulator and cylinder
valve. If adapter is equipped with a plastic washer,
be sure it is seated for connection to the CO
2
cylinder.
5. Attach one end of the inlet hose to the outlet fitting
of the flow regulator. Attach the other end to the
welding system shielding gas inlet. Tighten the
union nuts with a wrench.
6. Before opening the cylinder valve, turn the regulator
adjusting knob counterclockwise until the adjusting
spring pressure is released.
7. Standing to one side, open the cylinder valve slowly
a fraction of a turn. When the cylinder pressure
gage stops moving, open the valve fully.
8. The flow regulator is adjustable. Adjust it to the flow
rate recommended for the procedure and process
being used before making a weld.
Water-Cooled Gun Connections
The K590-6 water connection kit installs underneath the
wire drive.
1. Turn power OFF at the welding power source.
2. Install the quick disconnect fittings to the plastic
bracket, by holding the rear nut stationary and
spinning the fitting.
3. Cut the tubing to the desired length, and then install
the tubing and hose clamps to the fittings.
Figure #26
