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INSTALLATION
TECHNICAL SPECIFICATIONS - MARQUETTE
MODEL
WELDING PROCESS
WIRE ALLOYS
WIRE SIzES (DIAMETERS)
SPOOL SIzE
RATED WELDING CURRENT
AND DUTY CYCLE
OvERALL WEIGHT
CABLE LENGTH
OvERALL SIzE (BOUNDING BOx)
METHOD OF GUIDANCE
METHOD OF COOLING
UNPACKING THE SPOOL GUN
The spool gun is factory-assembled and tested, and then packed in its own carrying
case. It is shipped fully-equipped to weld with 0.035 inch diameter aluminum wire.
After opening the case, check that it contains the following items:
1. One fully assembled K3295-1 spool gun.
2. One T11862-65 Conical Compression Spring for use with alloy 5356 wire (spool
not included).
3. One spool of 0.035 aluminum alloy 4043 wire.
4. Three .035" contact tips (KH833).
5. One instruction manual (IMT10148).
3
1
Plastic Bag
®
AUTOPRO
100 SG SPOOL GUN
™
K3295-1 MARQUETTE
®
AUTOPRO
™
100 SG Spool Gun
Aluminum GMAW (MIG), DC electrode positive
polarity with 100% argon welding shielding gas.
Aluminum only: alloys 4043 or 5356
Solid wire 0.030 or 0.035 inches (0.8 or 0.9 mm)
1 lb. weight, nominal 4 inch diameter spool
130 amps at 30% for 10-minute basis
3.5 lbs. with cable but without case or spool
10.0±0.2 feet
In inches: 20.00 long x 16.75 high x 5.75 thick max.
Semiautomatic (manually-guided)
Air-cooled
4
2
A-1
ELECTRIC SHOCK CAN KILL.
• Turn the input power OFF at the welding power source before
installation or changing drive rolls and/or guides.
• Do not touch electrically live parts.
• When inching with the gun trigger, electrode and drive mechanism
are "hot" to work and ground and could remain energized several
seconds after the gun trigger is released.
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LOCATING SPOOL GUN COMPONENTS AND FEATURES
(See Figure 1.A for Items 1 thru 6)
1. Gas Nozzle and Contact Tip.
2. Straightened Gun Tube Assembly.
3. 1/4-Turn Locking Collar.
4. Trigger Assembly.
5. Spool Cover: Provides easy, wide-
open access to spool and wire
drive.
6. Locking Knob: Captive in spool
cover.
(See Figure A.2 for these following items)
7. Integrated Single-Piece Cable:
The spool gun design provides
neat and clean appearance; sim-
plifies cable management and
reduces entanglements.
8. Standard Durable Strain Relief
Clamp.
9. Three Captive Hex Nuts.
5
INSTALLATION
SAFETY PRECAUTIONS
WARNING
FIGURE A.1
5
3
1
4
2
Left Side View
FIGURE A.2
8
7
Right Side View
A-2
6
9
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