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MIG250S
OWNER'S MANUAL
WARNING:
Read carefully and understand all ASSEMBLY AND OPERATION
INSTRUCTIONS before operating. Failure to follow the safety rules and other
basic safety precautions may result in serious personal injury.
Item# 44452

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Summarization of Contents

GENERAL SAFETY RULES
IMPORTANT SAFETY CONSIDERATIONS
Key safety guidelines for operation, environment, and equipment condition.
Specific Areas of Danger, Caution or Warning
Details on electrical shock, fumes, gases, and arc ray hazards.
KNOW YOUR WELDER
Welder Components and Controls
Detailed explanation of the welder's parts, indicators, and controls.
ASSEMBLY
MIG TORCH ASSEMBLY
Steps for connecting the MIG torch to the welder.
SPOOL GUN ASSEMBLY
Steps for connecting the spool gun to the welder.
INSTALLATION
POWER REQUIREMENT
Specifies the necessary AC single-phase power source for the welder.
EXTENSION CORD
Recommendations and requirements for using an extension cord.
INSTALL THE WIRE ROLLER
Instructions for installing and checking the wire roller for proper wire feed.
INSTALL THE WIRE
Steps for selecting and installing welding wire into the feeder.
SETTING THE DRIVE ROLL TENSION
Adjusting the drive roll tension for smooth wire feeding.
GAS INSTALLATION
Steps for installing and connecting the shielding gas cylinder.
OPERATION
Key Controls
How to use the power switch, voltage selector, and wire speed controls.
Basic Welding Technique Setup
Guidance on torch holding, torch angles, and workpiece positioning.
WELDING TECHNIQUES
DISTANCE FROM THE WORK PIECE
Recommended nozzle-to-workpiece distance for consistent welding.
TUNING IN THE WIRE SPEED
Procedure for fine-tuning wire speed for the best weld quality.
Moving the torch
Explains torch travel direction (push/pull) and speed for weld quality.
Types of welding beads
Describes stringer and weave bead types for different welding needs.
Welding position
Details on flat, horizontal, vertical, and overhead welding positions.
Multiple pass welding
How to perform multiple passes for butt and fillet welds.
Spot welding
Explains burn-through, punch and fill, and lap spot welding methods.
WARRANTY
LIMITED WARRANTY
Explanation of the warranty terms, coverage, and periods.
Voiding Warranty
Conditions under which the warranty will be voided.
Warranty Claim
Instructions on how to make a warranty claim.

Table of Contents