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Welder
Miller Electric
Millermatic 350, 350, 350P
manual
19ga 20ga 05mm 0.9mm
Models:
Millermatic 350
350, 350P
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Troubleshooting
Specifications
Install
Error messages
Electrical Diagram
Timers
Symbol Usage
Pressure4321 Indicator Scale
Welding Wire can cause injury
Maintenance
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A complete Parts List is available at www.MillerWelds.com
3/8"
1/4"
3/16"
1/8"
19ga.
20ga.
(1.05mm)
(0.9mm)
SC-187
212-A
OM-1327
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Contents
Processes
OM-1327
Description
File MIG Gmaw
From Miller to You
Table of Contents
− Programming
− Maintenance &TROUBLESHOOTING
Arc Welding Hazards
Symbol Usage
Electric Shock can kill
HOT Parts can cause severe burns
ARC Rays can burn eyes and skin
Fumes and Gases can be hazardous
Welding can cause fire or explosion
Flying Metal or Dirt can injure eyes
Fire or Explosion hazard
Welding Wire can cause injury
Falling Unit can cause injury
Moving Parts can cause injury
California Proposition 65 Warnings
Principal Safety Standards
EMF Information
About Implanted Medical Devices
Indique des instructions spécifiques
Symboles utilisés
UNE Décharge Électrique peut entraîner la mort
LE Soudage peut provoquer un in cendie ou une explosion
DES Pièces Chaudes peuvent provoquer des brûlures graves
LES Fumées ET LES GAZ peuvent être dangereux
LES Bouteilles peuvent exploser si elles sont endommagées
LE Bruit peut endommager l’ouïe
Risque D’INCENDIE OU D’EXPLO
LA Chute DE L’APPAREIL peut blesser
LE Soudage À L’ARC risque de provoquer des interférences
Proposition californienne 65 Avertissements
LES Fils DE Soudage peuvent provoquer des blessures
En ce qui concerne les implants médicaux
Principales normes de sécurité
Information EMF
OM-1327
Duty Cycle And Overheating
Specifications
Volt-Ampere Curve
Connecting To Weld Output Terminals
Installing Welding Gun/Cable Holder
Installing Work Clamp
Installing Welding Gun
Connecting Spoolmatic 15A Or 30A Gun
Gun End Gun Liner Wire Outlet Guide
Connecting XR Edge, XR-A Gun, XR-A Python, Or XR Aluma-Pro
XR Edge guns prior to serial no
Be sure to trim liner to proper extension
11/16
Setting Gun Polarity For Wire Type
Polarity Changeover Information
Rear Panel
Installing Gas Supply
Electrical Service Guide
Installing Wire Spool and Adjusting Hub Tension
Input Voltage
Min Input Conductor Size In AWG
Selecting Input Voltage 200/230/460 Volt Models Only
Tools Needed = GND/PE Earth Ground
Selecting a Location And Connecting 3-Phase Input Power
18 in 457 mm for airflow
Disconnect Device Input Power Connections
Selection a Location And Connecting 1-Phase Input Power
=GND/PE Earth Ground
L1L2
Hold wire tightly to keep It from unraveling
Threading Welding Wire For MIG Gun
150 mm
Pressure4321 Indicator Scale
For XR-A Pistol Gun
Threading Welding Wire Through XR Guns
Turn welding power source Off
Jog Mode
MIG Mode
Pulse Indicator Light
Controls
Weld Status
Pulse MIG Mode Voltage Adjustment
MIG Gun-On-Demand
Pulse MIG Gun-On-Demand
MillerWelds.com
Weld Parameters For
Weld
Weld Parameters For Pulse Mode
Weld Bead Setting OM-1327
MIG Welding Mode
Low Setting High Setting
Pulse MIG Welding Mode
Timers
Crater Fill display can be turned
Manual Hot Start Mode
Setting Hot Start Aluminum Pulse Only Parameters
To exit this menu, press the Setup 1 button OM-1327
Rmpt − Ramp Time
Setting Crater Fill
Recommended Crater Fill Parameters
Recommended Crater Parameters
19ga 20ga 05mm 0.9mm
System Reset
Motor Calibration Function
Set Up Push Motor Torque SUP Or Reset rES
Disconnect power
Routine Maintenance
= Check = Change ~ = Clean = Replace
Overheating
Working on unit
Measuring Input Capacitor Voltage
Significant DC voltage can
Changing Drive Roll and Wire Inlet Guide
Help Displays
Displays a jog wire feed speed OM-1327
Help
Jog XXX Wire Feed Speed
Tip Save
MM 350P
Temperatures are within acceptable limits see -2and
Troubleshooting
Connect work clamp to get good metal to metal contact
Unit is in an overheated condition see Section
OM-1327
− Electrical Diagram
224 242-B
Circuit Diagram For 460V/575V Models
223 926-B
Drive Roll And Wire Guide Kits
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Page
Support
Service
Your distributor also gives
Miller Electric Mfg. Co
To locate a Distributor or Service Agency visit
For assistance in filing or settling claims, contact
Your distributor and/or equipment manufacturer’s
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