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IM797
July, 2005
SP-175T
For use with machine Code Numbers 10985
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. DO
NOT INSTALL, OPERATE OR
REPAIR THIS EQUIPMENT
WITHOUT READING THIS
MANUAL AND THE SAFETY
PRECAUTIONS CONTAINED
THROUGHOUT. And, most
importantly, think before you act
and be careful.
OPERATOR’S MANUAL
ISO 9001
A
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i i SAFETY WARNING CALIFORNIA PROPOSITION 65 WARNINGS Diesel engine exhaust and some of its constituents The engine exhaust from this product contains are known to the State of California to cause can- chemicals known to the State of California to cause cer, birth defects, and other reproductive harm. cancer, birth defects, or other reproductive harm. The Above For Diesel Engines The Above For Gasoline Engines ARC WELDING CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY
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ii ii SAFETY ELECTRIC SHOCK can ARC RAYS can burn. 4.a. Use a shield with the proper filter and cover kill. plates to protect your eyes from sparks and 3.a. The electrode and work (or ground) circuits the rays of the arc when welding or observing are electrically “hot” when the welder is on. open arc welding. Headshield and filter lens Do not touch these “hot” parts with your bare should conform to ANSI Z87. I standards. skin or wet clothing. Wear dry, hole-free gloves to insulate hands. 4.b. Us
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iii iii SAFETY WELDING SPARKS can CYLINDER may explode cause fire or explosion. if damaged. 6.a. Remove fire hazards from the welding area. 7.a.Use only compressed gas cylinders If this is not possible, cover them to prevent containing the correct shielding gas for the the welding sparks from starting a fire. process used and properly operating Remember that welding sparks and hot regulators designed for the gas and materials from welding can easily go through small cracks pressure used. All hos
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iv iv SAFETY PRÉCAUTIONS DE SÛRETÉ 6. Eloigner les matériaux inflammables ou les recouvrir afin de prévenir tout risque d’incendie dû aux étincelles. Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce 7. Quand on ne soude pas, poser la pince à une endroit isolé de manuel aussi bien que les précautions de sûreté générales suiv- la masse. Un court-circuit accidental peut provoquer un antes: échauffement et un risqu
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v v for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product Thank You ��� 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. Consequently, Claims for material damaged in shipment must be made by the purchaser against the transportation company at the time the shipment
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vi TABLE OF CONTENTS Page Installation .......................................................................................................Section A Technical Specifications ........................................................................................A-1 Safety Precautions.................................................................................................A-2 Identify and Locate Components...........................................................................A-2 Sel
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A-1 A-1 INSTALLATION TECHNICAL SPECIFICATIONS – SP-175T 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 30% Duty Cycle @ 230V/60Hz 130 20 25% Duty Cycle @ 208V/60Hz 130 20 OUTPUT Welding Current Range Maximum Open Circuit Voltage Wire Speed Range Rated DC Output: 30 – 175 amps 33 50-400IPM (1.3-10.2m/min) RECOMMENDED INPUT CABLE AND FUSE SIZES Fuse or Output Mo
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WELDING AMP RANGE 25-125 A-2 A-2 INSTALLATION FIGURE A.1 SAFETY PRECAUTIONS 1 Read entire installation section before starting 2 installation. WARNING ELECTRIC SHOCK can kill. � Only qualified personnel should perform this installation. � Only personnel that have read and under- stood the SP-175T Operating Manual should install and operate this equipment. � Machine must be plugged into a receptacle which is grounded per any national, local or other applicable electrical codes. 4 � The SP
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A-3 A-3 INSTALLATION 6. Wire Feed Gearbox. SELECT SUITABLE LOCATION 7. Cable Hanger. Locate the welder in a dry location where there is free circulation of clean air into the louvers in the back and 8. Thumbscrew. out the front of the unit. A location that minimizes the amount of smoke and dirt drawn into the rear louvers Refer to the Accessories Section for available optional reduces the chance of dirt accumulation that can block equipment. air passages and cause overheating. Work Clamp Install
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A-4 A-4 INSTALLATION Work Cable Installation NOTE: If .035" or .045" (0.9 mm or 1.2 mm) Refer to Figure A.2. Innershield flux-cored wire is to be used, the appropri- ate Innershield kit is required. (see ACCESSORIES 1. Open the wire feed section door on the right side of section) the SP-175T. Connecting Gun Cable to the SP-175T 2. Pass the end of the work cable that has the termi- nal lug with the smaller hole through the Work 1. Refer to Figure A.2. Unplug the machine or turn Cable Access Hole
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A-5 A-5 INSTALLATION 2. With the cylinder securely installed, remove the cylinder cap. Stand to one side away from the out- WARNING let and open the cylinder valve very slightly for an CYLINDER may explode if dam- instant. This blows away any dust or dirt which may aged. Keep cylinder upright and have accumulated in the valve outlet. chained to support � Keep cylinder away from areas WARNING where it may be damaged. � Never lift welder with cylinder BE SURE TO KEEP YOUR FACE AWAY FROM THE attach
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A-6 A-6 INSTALLATION ELECTRICAL INPUT CONNECTION FOR Line Cord Connection RATED OUTPUT A 3 conductor line cord with a 50 amp, 250 volt, three- prong plug (NEMA Type 6-50P) is factory installed. WARNING Connect this plug to a mating grounded receptacle which is connected to an appropriate power supply ELECTRIC SHOCK can kill. per the U.S. National Electric Code and any applicable local codes. � Disconnect input power by removing plug from receptacle Grounding before working inside SP-175T. Type 7
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B-1 B-1 OPERATION SAFTEY PRECAUTIONS GENERAL DESCRIPTION The SP-175T is a complete semiautomatic constant Read entire operation section before voltage DC portable arc welder. Included is a tap- operating the SP-175T. switch controlled, single phase constant voltage trans- former/rectifier power source and a wire feeder with welding gun for feeding .023" (0.6 mm) through .030" WARNING (0.8 mm) solid steel electrode. Optional kits are avail- able for .035" (0.9 mm) and .045" (1.2 mm) ELECTRIC SHOC
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B-2 B-2 OPERATION Refer to Figure B.1b. ● No external shielding gas is required when used ® 4. Circuit Breaker – Protects machine from damage if with Lincoln Innershield .035” (0,9 mm) NR -211- maximum output is exceeded. Button will extend MP electrode. out when tripped (Manual reset).Refer to Figure B.1b ● Spindle accommodates both 8 in. (200 mm) diame- ter and 4 in. (100 mm) diameter spools of wire. 5. Gun Trigger - Activates welding output, wire feed, and gas solenoid operation. Releasing t
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B-3 B-3 OPERATION Note:When loading and removing the 8” Spools make sure that the wing nut (inside the wire spool spindle hub) is turned 90° from the wire spool spindle locking tab. If the wing nut is positioned in line with the locking tab, the tab cannot be depressed to load or unload the FIGURE B.2 3 wire spool. 1 8” Wire Spool Wire Spool Spindle 2 SP-175 T Be sure that this stud engages the hole in the wire spool. FIGURE B.1a To Wire Drive FIGURE B.1b Wire Spool must be pushed all the way on
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B-4 B-4 OPERATION Friction Brake Adjustment FIGURE B.4 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. Tighten the wing nut an additional 1/4 turn. 1 Note: When properly adjusted, the brake should pro- 2 vide only enough drag to prevent overrun of the spool and excess slack in the wire. Too much drag may result in wire feeding problems, and may cause pre- mature wear of wire drive syste
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B-5 B-5 OPERATION FIGURE B.7 FIGURE B.6 Contact Tip GUN CABLE Wire Electrode 3/8"– 1/2"(10-13mm) Contact Tip to Work Distance(CTWD) WORKPIECE ARC Making A Weld WORK CLAMP 1. See “Process Guidelines” in this section for selec- 10. When no more welding is to be done, close valve tion of welding wire and shielding gas and for on gas cylinder (if used), momentarily operate gun range of metal thicknesses that can be welded. trigger to release gas pressure, and turn off the SP-175T. 2. See the Applica
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B-6 B-6 OPERATION The SP-175T is suitable for .035" aluminum wire and 3. Keep the cylinder valve closed, except when using .023"– .035" stainless wire. Refer to Table B.1 for rec- the SP-175T. When finished welding: ommended procedure settings. (Requires K586-1 a) Close the cylinder valve to stop gas flow. Deluxe Gas Regulator kit and K664-2 Aluminum - b) Depress the gun trigger briefly to release the Stainless Feeding Kit.) pressure in the gas hose. c) Turn off the SP-175T. CAUTION It is imp
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B-7 B-7 APPLICATION CHART SP-175T
