Instruction/ maintenance manual of the product SP-175T Lincoln Electric
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SP- 175T OPERA TOR’S MANUAL IM797 July, 2005 Safety Depends on You Lincoln arc welding and cutting equipment is designed and built with safety in mind. However, your overall safety can be increased by proper installation ... and thought- ful operation on your part.
FOR ENGINE powered equipment. 1.a. Turn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b. Operate engines in open, well-ventilatedareas or vent the engine exhaust fumes outdoors.
ii SAFETY ii ARC RA YS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding. Headshield and filter lens should conform to ANSI Z87. I standards.
FOR ELECTRICALL Y powered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working on the equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer’s recommendations.
iv SAFETY iv PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: Sûreté Pour Soudage A L’Arc 1.
Thank You for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product ••• as much pride as we have in bringing this product to you! Read this Operators Manual completely before attempting to use this equipment.
vi T ABLE OF CONTENTS Page Installation .......................................................................................................Section A Technical Specifications .........................................................................
A-1 SP-175T A-1 INST ALLA TION Fuse or Output Mode Input Voltage Breaker Size Input Amps Power Cord RATED 230V/60Hz 40 Super Lag 20/22 50 Amp, 250V, 208V/60Hz Three-Prong Plug (NEMA Type 6-50P) TECHNICAL SPECIFICA TIONS – SP-175T INPUT – SINGLE PHASE ONL Y RA TED OUTPUT OUTPUT RECOMMENDED INPUT CABLE AND FUSE SIZES Height Width Depth Weight 12.
A-2 A-2 INST ALLA TION SAFETY PRECAUTIONS Read entire installation section before starting installation. IDENTIFY AND LOCA TE COMPONENTS If you have not already done so, unpack the SP-175T from its carton and remove all packing material around the SP-175T.
A-3 A-3 INST ALLA TION SELECT SUIT ABLE LOCA TION Locate the welder in a dry location where there is free circulation of clean air into the louvers in the back and out the front of the unit.
A-4 A-4 INST ALLA TION Work Cable Installation Refer to Figure A.2. 1. Open the wire feed section door on the right side of the SP-175T. 2. Pass the end of the work cable that has the termi- nal lug with the smaller hole through the Work Cable Access Hole (1) in the case front.
A-5 A-5 INST ALLA TION SP-175T 2 . With the cylinder securely installed, remove the cylinder cap. Stand to one side away from the out- let and open the cylinder valve very slightly for an instant. This blows away any dust or dirt which may have accumulated in the valve outlet.
A-6 A-6 INST ALLA TION SP-175T ELECTRICAL INPUT CONNECTION FOR RA TED OUTPUT ELECTRIC SHOCK can kill. • Disconnect input power by removing plug from receptacle before working inside SP-175T. • Use only grounded receptacle. • Do not touch electrically “hot” parts inside SP-175T.
B-1 B-1 OPERA TION Read entire operation section before operating the SP-175T . ELECTRIC SHOCK can kill. • Do not touch electrically live parts or electrode with skin or wet clothing. Insulate yourself from work and ground. • Always wear dry insulating gloves.
B-2 B-2 OPERA TION ● No external shielding gas is required when used with Lincoln Innershield .035 ” (0,9 mm) NR ® -211- MP electrode. ● Spindle accommodates both 8 in. (200 mm) diame- ter and 4 in. (100 mm) diameter spools of wire. WELDING CAP ABILITY The SP-175T is rated at 130 amps, 20 volts, at 30% duty cycle on a ten minute basis.
B-3 B-3 OPERA TION FIGURE B.1a FIGURE B.1b WELDING OPERA TIONS SEQUENCE OF OPERA TION Wire Loading Refer to Figure B.2 and B.3. The machine power switch should be turned to the OFF ( “ O ” ) position before working inside the wire feed enclosure. The machine is shipped from the factory ready to feed 8 ” (200 mm) diameter spools [2.
B-4 B-4 OPERA TION Friction Brake Adjustment With wire spool installed on the spindle shaft and the wing nut loose, turn the spool by hand while slowly tightening the wing nut until a light drag is felt.
B-5 B-5 OPERA TION Making A Weld 1. See “ Process Guidelines ” in this section for selec- tion of welding wire and shielding gas and for range of metal thicknesses that can be welded. 2. See the Application chart on the inside of the wire feed compartment door for information on setting the SP-175T controls.
B-6 SP-175T B-6 OPERA TION The SP-175T is suitable for .035" aluminum wire and .023" – .035" stainless wire. Refer to Table B.1 for rec- ommended procedure settings. (Requires K586-1 Deluxe Gas Regulator kit and K664-2 Aluminum - Stainless Feeding Kit.
B-7 B-7 APPLICA TION CHART SP-175T.
C-1 C-1 ACCESSORIES OPTIONAL ACCESSORIES 1. K549-1 .035" (0.9 mm) Innershield® Welding Kit — Includes a contact tip, a gasless nozzle and a .030/.035 (.8/.9mm) cable liner to permit the Magnum ™ 100L gun and cable to use .035" (0.9 mm) diameter flux-cored electrode.
C-2 C-2 ACCESSORIES INNERSHIELD (FCA W) CONVERSION Several changes are needed to convert the unit for operation with the Innershield (FCAW) process. The K549-1 or K549-2 Innershield Kits include all the nec- essary accessories for this conversion and are provid- ed for this purpose.
MAINTENANCE SAFETY PRECAUTIONS ELECTRIC SHOCK can kill. • Disconnect input power by removing plug from receptacle before working inside SP-175T. Use only grounded receptacle. Do not touch electrically “hot” parts inside SP-175T. • Have qualified personnel do the mainte- nance and trouble shooting work.
D-2 D-2 MAINTENANCE GUN AND CABLE MAINTENANCE FOR MAGNUM™ 100L GUN Gun Cable Cleaning Clean cable liner after using approximately 300 lbs (136 kg) of solid wire or 50 lbs (23 kg) of flux-cored wire. Remove the cable from the wire feeder and lay it out straight on the floor.
D-3 D-3 MAINTENANCE COMPONENT REPLACEMENT PROCEDURES CHANGING THE CONT ACT TIP 1. Refer to Figure D.2. Remove the gas nozzle from the gun by unscrewing counter-clockwise. 2. Remove the existing contact tip from the gun by unscrewing counter-clockwise.
D-4 D-4 MAINTENANCE 8. Screw the gas diffuser onto the end of the gun tube and securely tighten. 9. Replace the contact tip and nozzle. GUN HANDLE P ARTS The gun handle consists of two halves that are held together with a collar on each end.
E-1 TROUBLESHOOTING E-1 SP-175T If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
E-2 E-2 TROUBLESHOOTING PROBLEMS (SYMPTOMS) Major physical or electrical damage is evident. No wire feed, weld output or gas flow when gun trigger is pulled. Fan does NOT operate. No wire feed, weld output or gas flow when gun trigger is pulled Fan operates normally.
E-3 E-3 TROUBLESHOOTING PROBLEMS (SYMPTOMS) No wire feed when gun trigger is pulled. Fan runs, gas flows and machine has correct open circuit voltage (33 vcd maximum) – weld output. POSSIBLE CAUSE 1. If the wire drive motor is running make sure that the correct drive rolls are installed in the machine.
E-4 E-4 TROUBLESHOOTING If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your LOCAL AUTHORIZED LINCOLN ELECTRIC FIELD SERVICE FACILITY for assistance before you proceed. CAUTION PROBLEMS (SYMPTOMS) Arc is unstable – Poor starting POSSIBLE CAUSE 1.
F-1 F-1 WIRING DIAGRAMS NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels.
NOTES SP-175T.
NOTES SP-175T.
SP-170T W ARNING A VISO DE PRECAUCION A TTENTION W ARNUNG A TENÇÃO Spanish French German Portuguese Japanese Chinese Korean Arabic READ AND UNDERST AND THE MANUF ACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE USED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES.
SP-170T W ARNING A VISO DE PRECAUCION A TTENTION W ARNUNG A TENÇÃO Spanish French German Portuguese Japanese Chinese Korean Arabic LEIA E COMPREENDA AS INSTRUÇÕES DO F ABRICANTE P ARA ESTE EQUIPAMENTO E AS P ARTES DE USO, E SIGA AS PRÁTICAS DE SEGURANÇA DO EMPREGADOR.
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If you already are a holder of Lincoln Electric SP-175T, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lincoln Electric SP-175T.
However, one of the most important roles played by the user manual is to help in solving problems with Lincoln Electric SP-175T. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lincoln Electric SP-175T along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
