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Miller Millermatic 35 User Manual

Miller Millermatic 35
40 pages
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Miller Millermatic 35 Specifications

General IconGeneral
BrandMiller
ModelMillermatic 35
CategoryWelding System
LanguageEnglish

Summary

Errata Sheet

Warranty Information

Warranty Obligation

MILLER's obligation is limited to repairing or replacing defective parts within the warranty period.

Warranty Period

Defines warranty duration: 90 days for MillerMatic, 1 year for other parts, 3 years for main rectifier diodes.

Warranty Voidance

Using non-MILLER parts in the power or wire feed portions voids the warranty.

Safety Rules for Arc Welding

General Safety Precautions

General rules apply to various welding generators and machines for maximum personal safety.

Welding Cable Safety

Never overload or use worn/poorly connected welding cables. Inspect and repair cables frequently.

Electrode Holder Safety

Do not use holders with defective jaws or loose cable connections. Use insulated holders.

Code Conformance

Machine installation and maintenance must follow National Electrical Code and local requirements.

More Safety Rules

Power Circuit Grounding

Never use the welding machine without grounding the frame or case to prevent electrical shock.

Combustible Container Safety

Never weld on containers that held combustibles without proper cleaning and purging.

Hollow Castings Safety

Do not weld on hollow castings that have not been properly vented, as they may explode.

Explosion Hazard Precautions

Never weld in or near explosive atmospheres created by flammable materials.

Continued Safety Rules

Solvent Safety

Do not weld where chlorinated hydrocarbon vapors can decompose into toxic phosgene.

Fire Hazard Precautions

Keep combustibles away from the arc, heated metal, slag, or sparks.

Electrical Shock Voltage Safety

Always open power circuits before working on wiring. Never touch electrically 'hot' parts.

Electrical Shock Dampness Safety

Never work in damp areas without insulation. Keep hands, feet, and clothing dry.

Final Safety Guidelines

Protective Clothing

Wear proper, dry, oil-free clothing. Wear leather or asbestos gloves at all times.

Hot Metal Burns Safety

Never pick up hot objects. Avoid contact with hot metal and discarded electrode stubs.

Grinding and Chipping Safety

Never do any chipping or grinding without protective goggles.

Compressed Gas Cylinder Safety

Follow precautions for handling and storing compressed gas cylinders to prevent accidents.

Introduction to the Welding Machine

General Machine Overview

This manual familiarizes personnel with design, installation, operation, and maintenance of the welding machine.

Receiving and Handling

Inspect for shipping damage; file claims with the carrier. Provide serial/stock/model numbers when requesting info.

Machine Description

Describes the silicon diode rectifier DC type machine for Gas Metal-Arc Welding (GMAW).

Introduction Safety

Read the complete safety section before operation to avoid injury due to misuse.

Installation Procedures

Safety Definitions and Guidelines

Defines CAUTION, IMPORTANT, and NOTE blocks for safe operation and maintenance.

Installation on Running Gear

Procedure for installing the welding machine on optional running gear.

Machine Location Guidelines

Proper location ensures satisfactory service, ventilation, and prevents obstructions.

Primary Electrical Connections

Instructions for connecting the welding machine to the primary power source.

Work Cable Assembly

Instructions for installing the work clamp onto the work cable.

Gas Connections and Regulator Setup

Procedure for installing and adjusting the gas regulator for CO2 or Argon/CO2 mixtures.

Wire Spool Installation

Steps for installing the wire spool and components onto the drive assembly.

Threading the Welding Wire

Procedure for threading the welding wire through the gun and into the drive assembly.

Operation Procedures

Gas Metal-Arc Welding (No Spot Capability)

Instructions for operating the welding machine using the Gas Metal-Arc Welding process.

General Gas Metal-Arc Welding

Read instructions before operating. Practice welds on sample metal are recommended.

Gun Handling and Pre-Weld Checks

Proper gun techniques and essential pre-weld checks for safe operation.

Gas Metal-Arc Welding (With Spot Capability)

Operating instructions for models that include spot welding functionality.

Spot Welding Controls and Procedures

Covers spot welding controls, nozzle selection, and operational steps.

Maintenance Procedures

Wire Feed Calibration

Procedure to check and calibrate the wire feed speed for optimal performance.

Monocoil Maintenance

Procedures for removing, cleaning, and inserting the monocoil assembly.

Drive Roll Gears Removal

Instructions for removing upper and lower drive roll gears from the drive assembly.

Drive Roll Gears Installation

Procedure for installing upper and lower drive roll gears into the drive assembly.

Circuit Breaker Information

Explains the function and reset procedure for circuit breakers.

Troubleshooting Guide

Troubleshooting Fan Motor Slow Output

Addresses low output fan motor speed due to jumper link or low primary voltage.

Troubleshooting Fan Motor Not Running

Covers defective fan motor, loose connections, or blown primary fuses.

Troubleshooting No Output/No Fan Motor

Identifies issues with primary fuses, disconnect switch, or the ON-OFF power switch.

Troubleshooting No Output/No Fan Motor (Cont.)

Checks primary fuses, primary connections, disconnect switch, and circuit breaker.

Troubleshooting No Voltage/Wire Feed

Addresses defective rectifier diodes or loose secondary connections.

Troubleshooting No Voltage/No Wire Feed

Covers defective gun switch, contactor coil, or plug security.

Troubleshooting Wire Feed Issues

Identifies issues with transformer, circuit breakers, interlocks, or wire feed controls.

Troubleshooting Spot Mode Wire Feed

Focuses on issues specific to spot mode, like Q51, spot panel rectifier, or contacts.

Troubleshooting Spot Mode No Voltage/Wire Feed

Addresses Q51, spot panel rectifier, resistors, or coil defects in spot mode.

Troubleshooting Spot Timer Inoperative

Covers issues with diodes, resistors, or transformers affecting spot timer functions.

Parts List

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