Lincoln Electric SP-170T Operator's Manual

Lincoln Electric SP-170T Operator's Manual

Arc welding and cutting equipment
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10163,10261,10264,10272,10482,10691,10692,10741,10842 and 10848
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 thoughtful operation on your
part. DO NOT INSTALL, OPER-
ATE OR REPAIR THIS EQUIP-
MENT WITHOUT READING
THIS MANUAL AND THE SAFE-
TY PRECAUTIONS CONTAINED
THROUGHOUT. And, most
importantly, think before you act
and be careful.
Date of Purchase:
Serial Number:
Code Number:
Model:
Where Purchased:
• Sales and Service through Subsidiaries and Distributors Worldwide •
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
RETURN TO MAIN MENU
SP 170T
For use with machine Code Numbers
OPERATOR'S MANUAL
• World's Leader in Welding and Cutting Products •
10023 thru 10026,10134,10162,
IM537-
March, 2001

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Summary of Contents for Lincoln Electric SP-170T

  • Page 1 RETURN TO MAIN MENU IM537- SP 170T March, 2001 For use with machine Code Numbers 10023 thru 10026,10134,10162, 10163,10261,10264,10272,10482,10691,10692,10741,10842 and 10848 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 ...
  • Page 2 351040, Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199. BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS.
  • Page 3: Electric Shock Can Kill

    (MSDS) and follow your employer’s safety practices. MSDS forms are available from 3.j. Also see Items 6.c. and 8. your welding distributor or from the manufacturer. 5.e. Also see item 1.b. Mar ‘95 SP-170T...
  • Page 4 This can create fire hazards or overheat lifting chains Electrical Code, all local codes and the manufacturer’s or cables until they fail. recommendations. 6.h. Also see item 1.c. 8.c. Ground the equipment in accordance with the U.S. National Electrical Code and the manufacturer’s recommendations. Mar ‘95 SP-170T...
  • Page 5 4. Garder tous les couvercles et dispositifs de sûreté à leur talons sans revers, et chaussures montantes. place. 5. Toujours porter des lunettes de sécurité dans la zone de Mar. ‘93 soudage. Utiliser des lunettes avec écrans lateraux dans les SP-170T...
  • Page 6 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! Please Examine Carton and Equipment For Damage Immediately When this equipment is shipped, title passes to the purchaser upon receipt by the carrier.
  • Page 7: Table Of Contents

    Gun and Cable Maintenance.................D-2 Configuration of Components in Wire Feeding System.........D-2 Component Replacement Procedures ..............D-2 Troubleshooting ....................Section E Safety Precautions....................E-1 How to Use Troubleshooting Guide...............E-1 Troubleshooting Guide ..................E-2 Wiring Diagrams ....................Section F SP-170T Wiring Diagram ..................F-1 SP-170T Parts ..................P259, P202, P189...
  • Page 8: Installation

    INSTALLATION TECHNICAL SPECIFICATIONS – SP-170T INPUT – SINGLE PHASE ONLY Standard Voltage/Frequency Input Current 230V/60Hz 20 Amps – Rated Output 208V/60Hz 22 Amps – Rated Output RATED OUTPUT Duty Cycle Amps Volts at Rated Amperes 20% Duty Cycle @ 230V/60Hz...
  • Page 9: Safety Precautions

    • Machine must be plugged into a receptacle which is grounded per any national, local or other applicable electrical codes. • The SP-170T power switch is to be in the OFF (“O”) position when installing work cable and gun and when connecting power cord to input power.
  • Page 10: Select Suitable Location

    Work Clamp Installation STACKING Attach the work clamp per the following: Refer to Figure A-3. SP-170T’s cannot be stacked. TILTING Each machine must be placed on a secure, level sur- face, either directly or on the recommended cart. The machine may topple over if this procedure is not fol- lowed.
  • Page 11: Work Cable Installation

    ACCESSORIES section. GUN INSTALLATION As shipped from the factory, the SP-170T gun is ready to feed .023" – .025" solid wire. If .030" (0.8 mm) solid wire is to be used, change the contact tip to the appro- priate size.
  • Page 12: Input Connections

    • SEE AMERICAN NATIONAL Connect the other end to the SP-170T Gas STANDARD Z-49.1, “SAFETY IN Solenoid Inlet Fitting (5/8-18 female threads — for WELDING AND CUTTING”...
  • Page 13: Line Cord Connection

    DETAILS AND MEANS FOR 230 Volt Input Connection PROPER GROUNDING. CONNECT TO HOT WIRES The SP-170T is shipped from the factory connected OF A THREE-WIRE SINGLE for 230 volt input power. If the welder has been recon- PHASE SYSTEM OR TO...
  • Page 14: Operation

    RECOMMENDED PROCESSES remove fumes from breathing zone. The SP-170T can be used for welding mild steel using the GMAW, single pass, process which requires a supply of shielding gas or it can be used for the self- WELDING SPARKS can ®...
  • Page 15: Welding Capability

    Control; see below) and then stops, whenever the gun trigger is depressed and held. Stitch mode The SP-170T is rated at 130 amps, 20 volts, at 20% cycles between welding and not welding for an duty cycle on a ten minute basis. It is capable of high- adjustable length of time (also set by Time Control) er output currents at lower duty cycles.
  • Page 16: Welding Operations

    To Wire Drive Wire Spool must be pushed all the way on the spindle so that the spindle’s tab will hold it in place. The Wire Spool will rotate clock- wise when wire is dereeled. SP-170T...
  • Page 17: Wire Threading

    13. Refer to Figure B-6. Cut the wire off 1/4” – 3/8” (6 drive roll slips while feeding wire, the pressure – 10 mm) from the end of the tip. The SP-170T is should be increased until the wire feeds properly.
  • Page 18: Making A Weld

    PROCESS GUIDELINES wire being used and that the gas supply, if required, is turned on. The SP-170T can be used for welding mild steel using the GMAW, single pass, process which requires a 5. When using Innershield electrode, remove the gas supply of shielding gas or it can be used for the self- nozzle and install the gasless nozzle.
  • Page 19: Welding With Gmaw

    Thermal Protection to other sizes. Refer to Changing the Contact Tip and The SP-170T has a rated output duty cycle of 20%. If Changing the Drive Roll, in the MAINTENANCE sec- the duty cycle is exceeded, a thermal protector will tion, for specific information on these procedures.
  • Page 20: Learning To Weld

    FCAW (Innershield) welding arc. It closely them. resembles what is actually seen while welding. Electronic Components Burning of core materials Cored Wire inside wire electrode results in shield of gas. Protective Slag Arc Stream Weld Metal FIGURE B.9 Hinges Bearings FIGURE B.8 SP-170T...
  • Page 21 Shielded Flux Cored Arc Welding with this machine. process for the job you have at hand. In selecting a process, you should consider: For GMAW (MIG) Process 1. Is most of my welding performed on 16 gauge and lighter materials? SP-170T...
  • Page 22 “New Lessons in Arc for GMAW (MIG) Process”. Welding”. Regardless of the type of metal being welded, in order to get a quality weld, it is important that the metal is free of oil, paint, rust or other contaminants. SP-170T...
  • Page 23 When welding fillet welds, it is very important to hold problem. the wire electrode at a 45° angle between the two sides or the metal will not distribute itself evenly. The gun nozzle is generally formed at an angle to facilitate this. See Figure B.15. SP-170T...
  • Page 24 (if you are right handed). This enables you to clearly see what you are doing. (Left handers do the opposite.) Tilt the gun toward the direction of travel holding the electrode at an angle as shown in Figure B.18. SP-170T...
  • Page 25 FIGURE B.20 See Figure B.19. Once the arc has been established, maintaining the correct ESO becomes extremely important. The ESO should be approximately 3/8 to 1/2 inch (10 to 12 mm) long. SP-170T...
  • Page 26 By constantly checking on 3. Correct electrical stickout your mistakes and your progress, welding will soon be a matter of routine. 4. Correct welding speed is to perform the following exercise. Contact Gun Angle FIGURE B.22 SP-170T...
  • Page 27 “forehand” push technique. gun trigger to release gas pressure, then turn off the machine. Hold the gun (of the gun and cable assembly) in your right hand and hold the shield with your left hand. (Left handers simply do the opposite.) SP-170T...
  • Page 28 2. Position face shield to protect face and eyes. Weld metal ridge Base metal 3. Depress gun trigger, hold gun so contact tip to work distance Is about 3/8 to 1/2 inch (10 to 12 mm) and the gun is at proper angle. FIGURE B.25 SP-170T...
  • Page 29: Troubleshooting Welds

    1. Increase voltage 2. Decrease WFS (wire feed speed) 3. Decrease stickout 4. Increase drag angle * Stubbing occurs when the electrode drives through the molten puddle and hits the bottom plate tending to push the gun up. 1. Increase voltage SP-170T...
  • Page 30 3. Do not allow dolly wheels or trucks to run over the cables. 4. Keep the cable clean. 5. Innershield electrode has proper surface lubrica- tion. Use only clean, rust-free electrode. 6. Replace contact tip when it becomes worn or the end is fused or deformed. SP-170T...
  • Page 31: Application Chart

    B-18 B-18 APPLICATION CHART SP-170T...
  • Page 32: Accessories

    11. K667-1 230 Volt 50 Amp Receptacle — For pro- viding power for your SP-170T at your welding See Maintenance section for instructions on location. NEMA standard 6-50 R receptacle. See installing drive roll, cable liner, contact tip and their “Line Cord Connection”...
  • Page 33: Replacement Parts

    Gas Nozzle M16294 Gas Nozzle-Tip Recessed 3/8” (9.5 mm) Opening I.D. M16684 Gas Nozzle-Tip Recessed 1/2” (12.7 mm) Opening I.D. M16684-1 Gas Nozzle-Tip Recessed 5/8” (15.9 mm) Opening I.D. M16684-2 Spot Welding Nozzle M17846-1 Gasless Nozzle (Innershield Only) M16418 SP-170T...
  • Page 34: Maintenance

    WARNING ELECTRIC SHOCK can kill. • Disconnect input power by removing plug from receptacle before working inside SP-170T. Use only grounded receptacle. Do not touch electrically “hot” parts inside SP-170T. • Have qualified personnel do the mainte- nance and trouble shooting work.
  • Page 35: Gun And Cable Maintenance

    .035” (0.9mm) • If .030 (0.8mm) Solid wire feeding is desired use the S19726-2 Contact Tip shipped loose with your SP-170T. * It is important when changing between welding with steel wire and aluminum to exchange feeding components due to the lubricant applied to steel wire. Failure to do so may result in contaminated welds when welding aluminum.
  • Page 36: Component Replacement Procedures

    5. Turn the power switch to OFF (marked “O”). 6. Loosen the drive roll set screw with the 5/64" (2.0 mm) hex wrench supplied. 7. Remove the drive roll, flip over and reinstall with the .030/.035" (0.8/0.9 mm) groove (the larger groove) closest to the gearbox. SP-170T...
  • Page 37: Changing Liner

    4. Lay the gun and cable out straight on a flat surface. 9. Replace the contact tip and nozzle. Loosen the set screw located in the brass connec- tor at the wire feeder end of the cable. Pull the liner out of the cable. SP-170T...
  • Page 38 See Figure D-3. Counter-clockwise FIGURE D.3 SP-170T...
  • Page 39: 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. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 40 4. Gun trigger may be faulty. CAUTION 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. SP-170T...
  • Page 41 CAUTION 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. SP-170T...
  • Page 42 8. Check liner for proper size. CAUTION 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. SP-170T...
  • Page 43: Wiring Diagrams

    WIRING DIAGRAMS SP-170T...
  • Page 44 NOTES SP-170T...
  • Page 45 Do not touch electrically live parts or Keep flammable materials away. Wear eye, ear and body protection. electrode with skin or wet clothing. WARNING Insulate yourself from work and ground. Spanish No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el AVISO DE bajo carga con la piel o ropa moja-...
  • Page 46 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. WARNING remove fumes from breathing zone. Los humos fuera de la zona de res- Spanish Desconectar el cable de ali- No operar con panel abierto o AVISO DE...
  • Page 47 • World's Leader in Welding and Cutting Products • • Sales and Service through Subsidiaries and Distributors Worldwide • Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com...

Table of Contents