Firepower FP 95, Operating Manual

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OPERATION FIREPOWER FP 95 FC
Operation 4-5 Manual 0-5122
4.08 Pre-Weld Procedure
1. Check the OPERATION chapter of this manual for details on this equipment.
2. Set the welding voltage range switch at position MIN or MAX.
3. Set the wire feed speed control to about the 2.5 setting. Readjust as necessary.
4. Review standard safe practice procedures in ventilation, eye and face protection, fire, compressed gas and preventative mainte-
nance. See Safety Instructions and Warnings chapter included in this manual.
4.09 Welding Procedure
1. Maintain the tip to work distance (stickout) at 5/16” to 3/8” (8 to 9mm) at all times.
2. For transverse and longitudinal nozzle angles, see section 4.06 Welding Gun Positions.
3. Hold the gun about 3/8” (9mm) from the work, lower the helmet by shaking your head and squeeze the trigger to start the wire
feeding, and establish the arc.
NOTE!
Get in the habit of shaking the helmet down, rather than using the hands. One hand must hold the gun, and
the other is often needed to hold pieces to be tacked or positioned.
4. Make a single down-hand (pulling) stringer weld bead.
5. Practice welding beads. Start at one edge and weld across the plate to the opposite edge.
NOTE!
When the equipment is properly adjusted, a rapidly cracking or hissing sound of the arc is a good indicator
of correct arc length.
6. Practice stopping in the middle of the plate, restarting into the existing weld crater and continuing the weld bead across the
plate.
NOTE!
When the gun trigger is released after welding, the electrode forms a ball on the end. To the new operator, this may
present a problem in obtaining the penetration needed at the start of the next weld. This can be corrected by cutting
the ball off with wire cutters.
4.10 Reference Table
The following table is provided as a user aid when performing FLUX CORED welding.
Result Desired Welding Variable
Arc Voltage
Welding Current
(wire speed)
Travel
Speed Nozzle Angle Stick out Wire size
Deeper Penetration
1
Increase
3
Trailing Max 25°
2
Decrease
4
Smaller (*)
Shallower
Penetration
1
Decrease
3
Leading
2
Increase
4
Larger
Larger Bead
1
Increase
2
Decrease
3
Increase (*)
Smaller Bead
2
Decrease
2
Increase
3
Decrease (*)
Higher Narrower
Bead
1
Decrease
2
Trailing
3
Increase
Flatter Wider Bead 1 Increase 2 90° or Leading 3 Decrease
Faster Deposition
Rate
1
Increase
2
Increase (*)
3
Larger
Slower Deposition
Rate
1
Decrease
2
Decrease (*)
3
Smaller
Key: 1 - First Choice, 2 - Second Choice, 3 - Third Choice, 4 - Fourth Choice
Table 4-1: Welding Reference Table