Page 2 - SAFETY; WARNING; CALIFORNIA PROPOSITION 65 WARNINGS; The Above For Diesel Engines
FOR ENGINEpowered 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. ...
Page 3 - ii
ii SAFETY ii ARC RAYS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks andthe rays of the arc when welding or observingopen arc welding. Headshield and filter lensshould conform to ANSI Z87. I standards. 4.b. Use suitable clothing made from durable...
Page 4 - iii
FOR ELECTRICALLYpowered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working onthe equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer’srecommendations. 8.c. Ground the equipment in ac...
Page 5 - iv; PRÉCAUTIONS DE SÛRETÉ
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. Protegez-vous contre la seco...
Page 6 - Thank You; Please Examine Carton and Equipment For Damage Immediately
v v 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. Save this manual...
Page 7 - TABLE OF CONTENTS
vi vi TABLE OF CONTENTS Page Installation .......................................................................................................Section A Technical Specifications ........................................................................................A-1Safety Precautions..............
Page 8 - INSTALLATION; TECHNICAL SPECIFICATIONS – Pro-MIG 175; INPUT – SINGLE PHASE ONLY
A-1 A-1 INSTALLATION 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 SPECIFICATIONS – Pro-MIG 175 INPUT – SINGLE PHASE ONLY RATED OUTPUT OUTPUT RECOMMENDED INPUT CABLE AND FUS...
Page 9 - SAFETY PRECAUTIONS; ELECTRIC SHOCK can kill.
A-2 A-2 INSTALLATION SAFETY PRECAUTIONS Read entire installation section before startinginstallation. IDENTIFY AND LOCATE COMPONENTS If you have not already done so, unpack the Pro-MIG175 from its carton and remove all packing materialaround the Pro-MIG 175. Remove the following looseitems from the ...
Page 10 - SELECT SUITABLE LOCATION; STACKING; OUTPUT CONNECTIONS; Work Clamp Installation
A-3 A-3 INSTALLATION SELECT SUITABLE LOCATION Locate the welder in a dry location where there is freecirculation of clean air into the louvers in the back andout the front of the unit. A location that minimizes theamount of smoke and dirt drawn into the rear louversreduces the chance of dirt accumul...
Page 11 - Work Cable Installation; For Innershield Only:; Connecting Gun Cable to the Pro-MIG 175; CAUTION
A-4 A-4 INSTALLATION Work Cable Installation Refer to Figure A.2. 1. Open the wire feed section door on the right side of the Pro-MIG 175. 2. Pass the end of the work cable that has the termi- nal lug with the smaller hole through the WorkCable Access Hole (1) in the case front. 3. Route the cable u...
Page 12 - INPUT CONNECTIONS
A-5 A-5 INSTALLATION Pro-MIG 175 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 aninstant. This blows away any dust or dirt which mayhave accumulated in the valve outlet. BE SURE TO KEEP YOUR FAC...
Page 13 - Line Cord Connection
A-6 A-6 INSTALLATION Line Cord Connection A 3 conductor line cord with a 50 amp, 250 volt, three-prong plug (NEMA Type 6-50P) is factory installed.Connect this plug to a mating grounded receptaclewhich is connected to an appropriate power supplyper the U.S. National Electric Code and any applica-ble...
Page 14 - OPERATION; RECOMMENDED PROCESSES; SAFTEY PRECAUTIONS
B-1 B-1 OPERATION Read entire operation section beforeoperating the Pro-MIG 175. ELECTRIC SHOCK can kill. • Do not touch electrically live parts or electrode with skin or wetclothing. Insulate yourself fromwork and ground. • Always wear dry insulating gloves. FUMES AND GASES can bedangerous. • Keep ...
Page 15 - WELDING CAPABILITY; OFF
Pro-MIG 175 Pro-MIG 175 3 2 1 4 B-2 B-2 OPERATION ● No external shielding gas is required when usedwith Lincol .035” (0.9 mm) Innershield NR ® -211- MP electrode. ● Spindle accommodates both 8 in. (200 mm) diame-ter and 4 in. (100 mm) diameter spools of wire. WELDING CAPABILITY The Pro-MIG 175 is ra...
Page 16 - WELDING OPERATIONS; SEQUENCE OF OPERATION; Wire Loading; Friction Brake Adjustment
B-3 B-3 OPERATION WELDING OPERATIONS SEQUENCE OF OPERATION Wire Loading Refer to Figure B.2 and B.3.The machine power switch should be turned to theOFF (“O”) position before working inside the wire feedenclosure. The machine is shipped from the factory ready to feed8” (200 mm) diameter spools [2.2” ...
Page 17 - Wire Threading
B-4 B-4 OPERATION Wire Threading Refer to Figure B.4 1. Release the Spring Loaded Pressure Arm (1) rotate the Idle Roll Arm (2) away from the WireFeed Drive Roll (3). Ensure that the groove size inthe feeding position on the drive roll matches thewire size being used. See Maintenance section forfurt...
Page 18 - Making A Weld; PROCESS GUIDELINES
B-5 B-5 OPERATION Making A Weld 1. See “Process Guidelines” in this section for selec- tion of welding wire and shielding gas and forrange of metal thicknesses that can be welded. 2. See the Application chart on the inside of the wire feed compartment door for information on settingthe Pro-MIG 175 c...
Page 19 - WELDING PROCEDURES; OVERLOAD PROTECTION; Output Overload
Pro-MIG 175 B-6 B-6 OPERATION The Pro-MIG 175 is suitable for .035" aluminum wireand .023"– .035" stainless wire. Refer to Table B.1 forrecommended procedure settings. (Requires K586-1r e g u l a t o r k i t a n d K 6 6 4 - 2 A l u m i n u m - S t a i n l e s sFeeding Kit.) It is importa...
Page 20 - APPLICATION CHART
Page 21 - ACCESSORIES; OPTIONAL ACCESSORIES; K664-2 Aluminum Feeding Kit
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. 0 3 0 / . 0 3 5 ( . 8 / . 9 m m ) c a b l e l i n e r t o p e r m i t t h eMagnum™ 100L gun and cable to use .035" (0.9mm) diameter flux-cored electrod...
Page 22 - REPLACEMENT PARTS
C-2 C-2 ACCESSORIES INNERSHIELD (FCAW) CONVERSION Several changes are needed to convert the unit foroperation with the Innershield (FCAW) process. TheK549-1 Innershield Kit includes all the necessaryaccessories for this conversion and is provided for thispurpose. The following conversions should be ...
Page 23 - ROUTINE MAINTENANCE; POWER SOURCE COMPARTMENT; not; MAINTENANCE
MAINTENANCE SAFETY PRECAUTIONS ELECTRIC SHOCK can kill. • Disconnect input power by removing plug from receptacle before workinginside Pro-MIG 175. Use only groundedreceptacle. Do not touch electrically“hot” parts inside Pro-MIG 175. • Have qualified personnel do the mainte- nance and trouble shooti...
Page 24 - Gun Cable Cleaning
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-coredwire. Remove the cable from the wire feeder and lay itout straight on the floor. Remove the contact tip fromt...
Page 25 - CHANGING THE CONTACT TIP
D-3 D-3 MAINTENANCE COMPONENT REPLACEMENT PROCEDURES CHANGING THE CONTACT 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. 3. Insert and hand tighten desired contact tip. 4...
Page 26 - GUN HANDLE PARTS; Liner trim length; CHANGING LINER
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 PARTS The gun handle consists of two halves that are heldtogether with a collar on each end. To open up thehandle, turn the collars approximately 60 degr...
Page 27 - TROUBLESHOOTING; Local Lincoln Authorized Field Service Facility; HOW TO USE TROUBLESHOOTING GUIDE
Pro-MIG 175 E-1 TROUBLESHOOTING E-1 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. CAUTION This Troubleshooting Gu...
Page 28 - OUTPUT PROBLEMS; Observe all Safety Guidelines detailed throughout this manual
E-2 E-2 TROUBLESHOOTING PROBLEMS(SYMPTOMS) Major physical or electrical damageis evident. No wire feed, weld output or gasflow when gun trigger is pulled.Fan does NOT operate. No wire feed, weld output or gasflow when gun trigger is pulled.Fan operates normally. POSSIBLE CAUSE NoneContact your local...
Page 29 - FEEDING PROBLEMS; GAS FLOW PROBLEMS
Pro-MIG 175 E-3 E-3 TROUBLESHOOTING PROBLEMS(SYMPTOMS) No wire feed when gun trigger ispulled. Fan runs, gas flows andmachine has correct open circuitvoltage (33 vcd maximum) – weldoutput. POSSIBLE CAUSE 1. If the wire drive motor is running make sure that the correct driverolls are installed in the...
Page 30 - WELDING PROBLEMS
Pro-MIG 175 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 – Poo...
Page 31 - WIRING DIAGRAMS; IR; Pro-MIG 175 WIRING DIAGRAM
F-1 F-1 WIRING DIAGRAMS W IR IN G D IA G R A M W ARNING HIG H VOLTAGE can kil l O nly qu ali fied perso ns sh ould inst all, us e or service th is mach in e. Do not ope rate wit h co ve rs r em ov ed . Di sc on nec t inpu t po we r by u nplug ging po we r co rd be fo re se rvicing . D o n ot to uc h...
Page 32 - NOTES