Lincoln Electric WELD-PAK 90i FC Operator's Manual page 15

WELD-PAK 90i FC
TABLE B.1
REPLACE PARTS LIST
Contact Tip (.030")
Contact Tip (.035")
Drive Roll
Nozzle
FCAW Wire
FCAW Wire
Welding Wire
.030 Lincoln NR-211-MP (Innershield Cored Wire)
Contact Tip .030 (0.8mm) - Lincoln Part No. KH711
Drive Roll
0.030/0.035 (0.8mm/0.9mm) Knurled groove - Lincoln Part No. KP4364-035
Remember: Remove the contact tip prior to loading wire
Keep tension on the wire to prevent unspooling.
Loading The
Wire
2. Release spring loaded pressure arm and rotate the Idle Roll Arm away from Drive Roll.
3. Thread wire through the guide tube, over drive roll and into gun liner. Close Idle Roll arm.
The suggested Wire Feed Speed settings in the table below are based on a midrange wire tension
Wire Feed
setting. The tension may be changed if required to improved wire feeding; however, the WFS setting may
Tension
have to be adjusted from the values in the table below.
NO GAS WITH NR-211
WIRE
Suggested
0.030 NR- Voltage
Settings For
211
WFS
Welding
Voltage
0.035 NR-
211 WFS
Weld at a Steady Pace
Do NOT weave the arc, neither forward, backward, or sideways
Helpful Hints Remove Slag with the Chipping Hammer to expose weld
For Horizontal Weld Joints, remember: "Drag if there's Slag"
Refer to Manual for Troubleshooting Poor Weld Quality
Direction of Horizontal: "Drag"
Welding AND
Angle of Gun
relative to Weld
Direction
Proper Gun 45°
Tee Joint
Angles for
common Weld
Joint Types
Maintain an electrode Stickout
Electrical
of 3/8" while welding.
Stickout
KH711 (.030" / 0.8MM)
KH712 (.035" / 0.9MM)
KP4364-035
KH726
LINCOLN .030 NR-211-MP
LINCOLN .035 NR-211-MP
FCAW -Gasless (Flux Cored)
.035 Lincoln NR-211-MP (Innershield Cored Wire)
.035 (0.9mm) - Lincoln Part No. KH712
20ga 18ga 16ga
0.9mm 1.2mm 1.6mm
1.5 2.5 3
3.5 5 7
-- 2 3
-- 3 4.5
Vertical Up
Butt Joint Lap Joint
CONTACT TIP
ELECTRODE
WARNING
Use of this unit on thicker materials than recommended may
result in welds of poor quality. The welds may appear to be
strong weld. This is called "Cold Casting" or "cold lapping"
and is some what similar to a cold solder joint. Weld failure
may result.
OPERATION
14ga 1/8"ga
2.1mm 3.2mm
4 6
8 10
4 6
6 10
V ertical Down
45°
3/8