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ESAB MT-350W Instruction Manual
ESAB MT-350W Instruction Manual

ESAB MT-350W Instruction Manual

Cool grip water-cooled mig torch

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INSTRUCTION MANUAL
Ready-to-Weld Torch Assemblies
Each of the following torches has a 45 degree gooseneck and
includes liner, contact tip and standard duty slide-on #10
nozzle.
MT-350W, .035, 12 ft. (3.6 m) ................................... 37014
MT-350W, .035, 15 ft. (4.5 m) ................................... 37015
MT-350W, .045-1/16, 12 ft. (3.6 m) ........................... 37016
MT-350W, .045-1/16, 15 ft. (4.5 m) ........................... 37017
These INSTRUCTIONS are for experienced operators. If you are not fully familiar with the principles of operation and safe
practices for arc welding equipment, we urge you to read our booklet, "Precautions and Safe Practices for Arc Welding, Cutting,
and Gouging," Form 52-529. Do NOT permit untrained persons to install, operate, or maintain this equipment. Do NOT attempt
to install or operate this equipment until you have read and fully understand these instructions. If you do not fully understand
these instructions, contact your supplier for further information. Be sure to read the Safety Precautions before installing or
operating this equipment.
Be sure this information reaches the operator.
You can get extra copies through your supplier.
MT-350W
COOL GRIP
Water-Cooled MIG Torch
Basic Torches
Basic torches do not include liners, contact tips or nozzles.
Mix and match the accessories listed in appropriate tables
to customize a torch that is just right for your job.
MT-350W, 12 ft. (3.6 m) ............................................ 37022
MT-350W, 15 ft. (4.5 m) ............................................ 37023
F-15-449

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Summary of Contents for ESAB MT-350W

  • Page 1 Mix and match the accessories listed in appropriate tables nozzle. to customize a torch that is just right for your job. MT-350W, .035, 12 ft. (3.6 m) ........37014 MT-350W, 12 ft. (3.6 m) ..........37022 MT-350W, .035, 15 ft. (4.5 m) ........37015 MT-350W, 15 ft.
  • Page 2: Table Of Contents

    USER RESPONSIBILITY This equipment will perform in conformity with the description thereof contained in this manual and accompanying labels and/or inserts when installed, operated, maintained and repaired in accordance with the instructions provided. This equipment must be checked periodically. Malfunctioning equipment should not be used. Parts that are broken, missing, worn, dis- torted or contaminated should be replaced immediately.
  • Page 3 SAFETY PRECAUTIONS 5. Do not use equipment beyond its ratings. For example, WARNING: hese Safety Precautions are for overloaded welding cable can overheat and create a fire your protection. They summarize precaution- hazard. ary information from the references listed in 6.
  • Page 4 perform any electrical work unless you are qualified to FUMES AND GASES -- Fumes and perform such work. gases, can cause discomfort or harm, 2. Before performing any maintenance work inside a power particularly in confined spaces. Do source, disconnect the power source from the incoming not breathe fumes and gases.
  • Page 5: Installation

    1.0 - INSTALLATION 1.1 INSTALLING TORCH TO WIRE FEEDER • Euro Connector • • 2.0 – MAINTENANCE 2.1 NOZZLE AND CONTACT TIP SYSTEMS Removal • • 2.2 SWITCH REPLACEMENT STEP #1 • • • • • • SWITCH • 2.3 GOOSENECK REPLACEMENT STEP #2 •...
  • Page 6: Maintenance

    2.0 - MAINTENANCE 2.3 GOOSENECK REPLACEMENT CONT’D. STEP #2 • • • • 2.4 LINER REPLACEMENT STEP #1 Ensure power source is off and torch is removed from feeder before proceeding. • • STEP #2 • • • Do not overtighten.
  • Page 7 2.0 - MAINTENANCE 2.4 LINER REPLACEMENT CONT’D. STEP #3 • • 2.5 POWER CABLE REPLACEMENT STEP #1 • • • STEP #2 • • • • • •...
  • Page 8 2.0 - MAINTENANCE 2.5 POWER CABLE REPLACEMENT CONT’D. STEP #3 • • • STEP #4 • STEP #5 • • •...
  • Page 9 2.0 - MAINTENANCE 2.5 POWER CABLE REPLACEMENT CONT’D. STEP #6 • STEP #7 • • • STEP #8 • •...
  • Page 10: Exploded View And Parts List

    3.0 - EXPLODED VIEW AND PARTS LIST 3.1 TORCH PARTS (WITH CABLE AND HOSES) ITEM PART NO. DESCRIPTION...
  • Page 11 3.0 - EXPLODED VIEW AND PARTS LIST 3.2 EURO CONNECTOR PARTS ITEM PART NO. DESCRIPTION...
  • Page 12 Hard, Cored & Soft Wires Short Tip Collet Nut Tube*** 632811 *** Requires Collet Nut (P/N 632811) ** Available 2nd Quarter 1998 Recommended for Aluminum 3.5 LINERS Liners for MT-350W, 450W & 650W (12 & 15 ft.) Wire Size Hard Wires Soft Wires...
  • Page 13 3.0 - EXPLODED VIEW AND PARTS LIST 3.6 Typical Set-Up When using Mig 4HD Water Kit — 37303 WC-8C Coolant Circulator 3.7 Typical Set-Up When connecting torch directly to coolant circulator (2 of each part required) Gun Water Water Hose (3 ft.) 20634 Water Coupler Quick Disconnect...
  • Page 14 3.0 - EXPLODED VIEW AND PARTS LIST 3.8 WIRE FEEDER CONNECTOR ASSEMBLY (MIG-35, DIGIMIG) - 20572 SETSCREW - 19318 ADAPTOR INSULATOR - 19316 POWERLUG - 19314 ADAPTOR BLOCK - 19315 (To Torch Euro Connector) ADAPTOR PLUG - 19312 SETSCREW - 19319 (To Wire Feeder) GAS HOSE (Supplied w/19315)
  • Page 15: Technical Data

    Ratings are based on tests that comply with NEMA ARC Welding Section Standard 11-6-1975 for Duty Cycle. “The time period of one complete cycle shall be 10 minutes” (60% = 6 minutes). National Electrical Manufacturers Association, 2101 L Street N.W. Washington D.C. 20037. 4.2 SPECIFICATIONS Model MT-350W 5.0 - TROUBLESHOOTING PROBLEM POSSIBLE CAUSE Poor Wire Feed •...
  • Page 16 ESAB Welding & Cutting Products, Florence, SC Welding Equipment COMMUNICATIONS GUIDE - CUSTOMER SERVICES A. CUSTOMER SERVICE QUESTIONS: Telephone (803) 664-5540/Fax: (800) 634-7548 Order Entry Product Availability Pricing Hours: 8:30 AM to 5:00 PM EST Order Changes Saleable Goods Returns...