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Operator's Manual
Magnum
K4530-2
K4873-2
K4874-2
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Date Purchased
Code: (ex: 10859)
Serial: (ex: U1060512345)
IM10534-B
| Issue D ate Jul - 20
© Lincoln Global, Inc. All Rights Reserved.
PRO 175L
®
K4529-1
K4872-1
& 250L
For use with Code Numbers:
K4529-1
K4530-2
K4872-1
K4873-2
K4874-2
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Table of Contents
Related Manuals for Lincoln Electric K4872-1
Summary of Contents for Lincoln Electric K4872-1
- Page 1 Operator’s Manual Magnum PRO 175L & 250L ® For use with Code Numbers: K4529-1 K4530-2 K4872-1 K4873-2 K4874-2 K4530-2 K4529-1 K4873-2 K4872-1 K4874-2 Register your machine: www.lincolnelectric.com/register Authorized Service and Distributor Locator: www.lincolnelectric.com/locator Save for future reference Date Purchased Code: (ex: 10859)
- Page 2 THANK YOU FOR SELECTING A QUALITY PRODUCT BY KEEP YOUR HEAD OUT OF THE FUMES. DON’T get too close to the arc. LINCOLN ELEC TRIC. Use corrective lenses if necessary to stay a reasonable distance away from the arc. READ and obey the Safety Data PLEASE EXAMINE CARTON AND EQUIPMENT FOR Sheet (SDS) and the warning label DAMAGE IMMEDIATELY...
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Page 3: Section A: Warnings
W117.2. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 22801 2.d. All welders should use the following procedures in order to St. Clair Avenue, Cleveland, Ohio 44117-1199. -
Page 4: Electric Shock Can Kill
SAFETY ELECTRIC SHOCK ARC RAYS CAN BURN. CAN KILL. 3.a. The electrode and work (or ground) circuits are 4.a. Use a shield with the proper filter and cover plates to protect your electrically “hot” when the welder is on. Do eyes from sparks and the rays of the arc when welding or not touch these “hot”... - Page 5 SAFETY WELDING AND CUTTING CYLINDER MAY EXPLODE IF SPARKS CAN CAUSE DAMAGED. FIRE OR EXPLOSION. 7.a. Use only compressed gas cylinders containing the correct shielding gas for the process used 6.a. Remove fire hazards from the welding area. If and properly operating regulators designed for this is not possible, cover them to prevent the welding sparks the gas and pressure used.
- Page 6 ® MAGNUM PRO 175L & 250L INSTALLATION TABLE OF CONTENTS...
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Page 7: General Description
K4529-1 10 ft. (3.0m) .025- .045 (0.6 - 1.2) • 10 ft. (3 m) cable allows for a comfortable range of operation. K4872-1 Miller K466-3 • Ergonomic, over molded handle has improved grip. MAGNUM PRO 250L The MAGNUM PRO 250L for MIG or ux-cored welding has a ®... -
Page 8: Installation
® MAGNUM PRO 175L & 250L INSTALLATION INSTALLATION IDENTIFY AND LOCATE COMPONENTS - 175L The Magnum ® PRO 175L welding gun delivers wire and welding Read this entire installation section before you current to the weld. The components of the gun are identified start installation. - Page 9 ® MAGNUM PRO 175L & 250L INSTALLATION IDENTIFY AND LOCATE COMPONENTS - 250L ® The Magnum PRO 250L welding gun delivers wire and welding current to the weld. The components of the gun are identified below. 1. Nozzle 2. Contact tip - Provides electrical contact to the wire. 3.
- Page 10 When diffuser is re-installed, the liner should meet ush with the diffuser. CONNECT TO MILLER FEEDERS K4872-1 and K4873-2 guns will connect easily to a variety of popular Miller wire feeders. CONTACT TIP AND GAS NOZZLE INSTALLATION a.
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Page 11: Operation
MAGNUM PRO ® 175L & 250L OPERATION OPERATION ELECTRODES AND EQUIPMENT. Do not attempt to use this equipment until you The MAGNUM ® PRO 175L &250L guns and cables have been have thoroughly read all operating and mainte- designed for use with Lincoln L- 50 and L-56, solid steel wire electrodes for the GMAW process and Lincoln Outershield cored nance manuals supplied with your machine. - Page 12 MAGNUM PRO ® 175L & 250L ACCESSORIES ACCESSORIES Magnum PRO 175L GAS DIFFUSER GASLESS NOZZLE CONTACT TIP PKG. QTY. THREAD-ON PKG. QTY. PART NUMBER TAPERED TIP TAPERED TIP WIRE DIAMETER KP3076-1 KP3084-1 IN (MM) PKG. QTY.-10 PKG. QTY.-100 KP3076-1-B25 KP3084-1-B25 0.025 (0.6) KP2744-025T KP2744-025T-B100...
- Page 13 MAGNUM PRO ® 175L & 250L OPERATION Magnum PRO 250L CONTACT TIP STANDARD STANDARD TAPERED TIP TAPERED TIP WIRE DIAMETER IN (MM) PKG. QTY.-10 PKG. QTY.-100 PKG. QTY.-10T PKG. QTY.-100 0.025 (0.6) KP2744-025 KP2744-025-B100 KP2744-025T KP2744-025T-B100 0.030 (0.8) KP2744-030 KP2744-030-B100 KP2744-030T KP2744-030T-B100 0.035 (0.9)
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Page 14: Maintenance
MAGNUM PRO ® 175L & 250L MAINTENANCE MAINTENANCE REMOVAL, INSTALLATION AND TRIMMING INSTRUC- ® TIONS FOR MAGNUM PRO LINERS Note: The variation in cable lengths prevents the interchangeability of liners. Once a liner has been cut for a particular gun, it should not be installed in another gun, unless it can meet the liner cut off length requirement. -
Page 15: Troubleshooting
MAGNUM PRO ® 175L & 250L TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual TROUBLESHOOTING HOW TO USE TROUBLESHOOTING GUIDE WARNING Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. - Page 16 MAGNUM PRO ® 175L & 250L TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEM POSSIBLE AREAS OF RECOMMENDED COURSE OF ACTION (SYMPTOMS) MISADJUSTMENT(S) Drive rolls turn, but wire will Gun cable kinked and/or twisted. Keep as straight as possible. Inspect cable and replace not feed or wire feeding is if necessary.
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- Page 18 WARNING Do not touch electrically live parts or Keep flammable materials away. Wear eye, ear and body protection. electrode with skin or wet clothing. Insulate yourself from work and AVISO DE ground. Spanish PRECAuCION No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el bajo carga con la piel o ropa moja-...
- Page 19 WARNING Keep your head out of fumes. Turn power off before servicing. Do not operate with panel open or Use ventilation or exhaust to guards off. remove fumes from breathing zone. AVISO DE Spanish PRECAuCION Los humos fuera de la zona de res- Desconectar el cable de ali- No operar con panel abierto o piración.
- Page 20 We respond to our customers based on the best information in our possession at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or advice.