MasterCraft 058-8194-4 User manual

INSTRUCTION MANUAL
FLUX-CORE WIRE FEED
WELDER KIT
058-8194-4

Quick Start Guide
If any parts are
missing or damaged,
or if you have any
questions, please call
1-800-689-9928.
Read and understand this instruction manual
thoroughly before using the product. It contains
important information for your safety as well as
operating and maintenance advice.
Keep this instruction manual for future use. Should
this product be passed on to a third party, then this
instruction manual must be included.
FLUX-CORE WIRE FEED WELDER KIT 058-8194-4

QUICK START GUIDE
FLUX-CORE WIRE FEED WELDER KIT 058-8194-4
STEP 1
Installing the wire
Remove the nozzle (1) and contact tip (2) from
the end of the torch assembly. Ensure proper
groove on the drive roller is in place for the
wire to be installed. Remove the packaging
from the wire spool and identify the leading
end of the wire secured on the edge of the
spool. page 15
STEP 2
Setting wire tension
Press the trigger on the gun. Turn the drive
tension adjustment knob (1) clockwise, and
increase the drive tension until the wire seems
to feed smoothly without slipping.
page 17
MC-588194-06
1
2
MC-588194-08
1

STEP 3
Operation
Hold the torch in one hand, and allow the
nozzle to rest on the edge of the workpiece
farther from the user. Turn the wire speed dial
with the other hand to its maximum position
and continue to hold onto the knob. Pull the
trigger (1) on the torch to start an arc. Drag the
torch toward the user while simultaneously
turning the wire speed dial counterclockwise.
page 19 (Please see page 21 for
welding techniques if needed)
MC-588194-25
1

TABLE OF CONTENTS
FLUX-CORE WIRE FEED WELDER KIT 058-8194-4
2
QUICK START GUIDE
TECHNICAL SPECIFICATIONS 3
SAFETY GUIDELINES 4–8
KEY PARTS DIAGRAM 9
IMPORTANT INFORMATION 10–12
ASSEMBLY INSTRUCTIONS 13–17
OPERATING INSTRUCTIONS 18–26
MAINTENANCE 27
TROUBLESHOOTING 28–29
MAIN CIRCUIT CHART 30
EXPLODED VIEW 31
PARTS LIST 32
WARRANTY 33–34

TECHNICAL SPECIFICATIONS
3
FLUX-CORE WIRE FEED WELDER KIT 058-8194-4
POWER SUPPLY single-phase, 120 V, 60 Hz
NO-LOAD VOLTAGE 34V
OUTPUT CURRENT 30-65 A (Peak 125 A)
DUTY CYCLE 20% @ 65 A
WIRE USED Flux-core wire
WIRE DIAMETER 0.023", 0.030", 0.035"
DIMENSIONS (L x W x H) 17.6" x 9.4"x 14.5"
WEIGHT 46 lb 5 oz
(21 kg)

SAFETY GUIDELINES
4
FLUX-CORE WIRE FEED WELDER KIT 058-8194-4
This manual contains information that relates to PROTECTING PERSONAL SAFETY and PREVENTING
EQUIPMENT PROBLEMS. It is very important to read this manual carefully and understand it
thoroughly before using the product. The symbols listed below are used to indicate this information.
Note- The word “Note” is used to inform the
reader of something he/she needs to know about
the tool.
PERSONAL SAFETY
These precautions are intended for the personal safety of the user and others working with the user.
Please take time to read and understand them.
DANGER!
Potential hazard that will result in serious
injury or loss of life.
WARNING!
Potential hazard that could result in
serious injury or loss of life.
CAUTION!
Potential hazard that may result in
moderate injury or damage to equipment.

SAFETY GUIDELINES
5
FLUX-CORE WIRE FEED WELDER KIT 058-8194-4
DANGER!
Potential hazard that will result in serious injury or loss of life.
•Keep children or other personnel away from the work area while welding. Do
not allow children to handle the welder.
•Do not use the welder in the presence of flammable liquids or gases. Sparks
that are created during use may ignite gases.
• Do not operate the welder in humid, wet, or poorly ventilated areas.
• Use appropriate shield to prevent other personnel from being affected by
harmful rays.
• Always ensure that a fire extinguisher is available in adequate distance
within the welding environment.
• Do not repair or maintain the welder while the power is on.
•Risk of electric shock: Do not touch electrical live parts or metal
components connected to the welding wire, as doing so may cause fatal
shock and severe burns. Secure the ground lead before welding. Wear dry
protective apparel like coat, shirt, gloves, and insulated footwear.
•Risk for breathing: Never directly inhale the harmful fume emission when
welding on coated materials like galvanized, cadmium plated or contacting
zinc, mercury, or barium.
•Risk of fire: Do not weld on containers or pipes that contain flammable,
gaseous, or liquid combustibles. Remove all flammable materials within 35
feet of the welding arc or tightly cover the flammable materials with fireproof
covers. To prevent any unintended arcs after welding, cut off the excess wire
that extends past the end of the nozzle more than ¼".
•Risk of burns: Do not touch the welded materials with bare hands, as the
welded materials are hot and can cause severe burns.

SAFETY GUIDELINES
6
FLUX-CORE WIRE FEED WELDER KIT 058-8194-4
•Risk of explosion: Keep high pressure shielding gas cylinder away from
welding or electrical circuits. Do not touch the cylinder with MIG gun and do
not weld on the cylinder. Use proper regulators, gas hoses, and fittings for
the specific application.
• Do not expose the welder to rain.
•Risk of UV and IR arc rays: Do not look at the welding arc without proper eye
protection, as the welding arc produces ultraviolet (UV) and infrared (IR) rays.
Use screens or other barriers to protect other personnel from the rays.

SAFETY GUIDELINES
7
FLUX-CORE WIRE FEED WELDER KIT 058-8194-4
WARNING!
Potential hazard that could result in serious injury or loss of life.
•Do not allow unskilled or untrained individuals to install and operate this
welder.
•Before operating the welder, check the insulation of the ground cable, power
cord, and welding cable for damage. Replace or repair the damaged
components before using the welder.
• Keep hands and fingers away from moving parts and stay away from the
drive rolls while the welder is in use.
• Do not allow any body part of the user to come in contact with the welding
wire while holding the welding gun.
• Do not allow the user to drape cables over or around the body.
• Do not point MIG gun toward the user or other personnel.
• Do not allow a person to use electronic devices such as pacemakers in the
welding area.
• Consult a doctor before using any electric arc welder or cutting device.