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IM785
April, 2004
SP-135T
For use with machine Code Number:10971
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
Copyr
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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 5. Toujours porter des lunettes de sécurité dans la zone de PRÉCAUTIONS DE SÛRETÉ soudage. Utiliser des lunettes avec écrans lateraux dans les zones où l’on pique le laitier. Pour votre propre protection lire et observer toutes les instruc- tions et les précautions de sûreté specifiques qui parraissent 6. Eloigner les matériaux inflammables ou les recouvrir afin de dans ce manuel aussi bien que les précautions de sûreté prévenir tout risque d’incendie dû aux étincelles. générales su
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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 vi MASTER TABLE OF CONTENTS FOR ALL SECTIONS Page Installation .......................................................................................................Section A Technical Specifications ........................................................................................A-1 Identify and Locate Components...........................................................................A-2 Select Suitable Location ....................................................................
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A-1 A-1 INSTALLATION TECHNICAL SPECIFICATIONS – SP-135T INPUT – SINGLE PHASE ONLY Standard Voltage/Frequency Input Current 120V/60Hz 20 Amps - Rated Output RATED OUTPUT Duty Cycle Amps Volts at Rated Amperes 20% Duty Cycle 90 19 OUTPUT Welding Current Range Maximum-Open Circuit Voltage Wire Speed Range 25-135 Amps 29V 50 - 300 in/min (1.3 - 7.6 m/min) RECOMMENDED INPUT CABLE AND FUSE SIZES Fuse or 1 Output Mode Input Voltage Breaker Size Input Amps Power Cord Extension Cord Three Conductor #14
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A-2 A-2 INSTALLATION Read entire installation section before starting installation. SAFETY PRECAUTIONS FIGURE A.1 WARNING ELECTRIC SHOCK can kill. 2 1 • Only qualified personnel should perform this installation. • Only personnel that have read and under- stood the SP-135T 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-135T power switch is to be in
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A-3 A-3 INSTALLATION Work Clamp Installation SELECT SUITABLE LOCATION Attach the work clamp per the following: Locate the welder in a dry location where there is free circulation of clean air into the louvers in the back and 1. Unplug the machine or turn the power switch to the out the front of the unit. A location that minimizes the “OFF” position. amount of smoke and dirt drawn into the rear louvers reduces the chance of dirt accumulation that can block 2. Insert the work cable terminal lug
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A-4 A-4 INSTALLATION Connecting Gun Cable to the SP-135T Work Cable Installation 1. Refer to Figure A.2. Unplug the machine or turn Refer to Figure A.2. power switch to the OFF “O” position. 1. Open the wire feed section door on the right side of 2. Pass the insulated terminals of the gun trigger con- the SP-135T. trol leads, one at a time, through the Gun Cable and Control Lead Access Slot (2) in the case front. 2. Pass the end of the work cable that has the termi- The leads are to be routed
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A-5 A-5 INSTALLATION 2. With the cylinder securely installed, remove the WARNING cylinder cap. Stand to one side away from the out- CYLINDER may explode if dam- let and open the cylinder valve very slightly for an aged. Keep cylinder upright and instant. This blows away any dust or dirt which may chained to support have accumulated in the valve outlet. • Keep cylinder away from areas where it may be damaged. WARNING • Never lift welder with cylinder attached. BE SURE TO KEEP YOUR FACE AWAY FR
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A-6 A-6 INSTALLATION Requirements For Rated Output INPUT CONNECTIONS A power cord with a 15 amp, 125 volt, three prong Refer to Figure A.6. plug (NEMA Type 5-15P) is factory installed on the SP-135T. Connect this plug to a mating grounded The SP-135T has a power input cable located on the receptacle which is connected to a 20 amp branch cir- rear of the machine. cuit with a nominal voltage rating of 115 to 125 volts, 60 Hertz, AC only. The rated output with this installation is 90 amps,19 Vol
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B-1 B-1 OPERATION Read entire operation section before GENERAL DESCRIPTION operating the SP-135T. The SP-135T is a complete semiautomatic constant- voltage DC wire feeder / power source arc welder. It has been designed for workshop, hobby, automotive WARNING and light maintenance. Included is a tap-switch con- trolled, single phase constant voltage transformer / ELECTRIC SHOCK can kill. rectifier power source and a wire feeder welding gun for feeding .023 - .025” (0.6 mm) through .030” (0.8 • Do
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B-2 B-2 OPERATION ● No external shielding gas is required when used 5. Gun Trigger - Activates welding output, wire feed, ® with Lincoln Innershield .035” (0.9 mm) NR -211- and gas solenoid operation. Releasing the trigger MP electrode. deactivates welding and simultaneously activates the “burnback” function so that the welding wire ● Accommodates both 4” (100 mm) diameter and 8” does not stick in the weld puddle. (200 mm) diameter spools of wire. WELDING CAPABILITY The SP-135T is rated at 90
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B-3 B-3 OPERATION To use 4” (100 mm) diameter spools, the 2” (50 mm) WELDING OPERATIONS diameter spindle must be removed (See Figure B.3). Remove the wing nut and spacer at the end of the SEQUENCE OF OPERATION shaft and remove the outside plastic wire spool spin- dle. The spindle can be stored in the wire feed com- Wire Loading partment. A 4” (100 mm) diameter spool is mounted Refer to Figures B.2 and B.3. directly on the 5/8” (16 mm) diameter shaft and held in place with the previously removed
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B-4 B-4 OPERATION 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. Tighten the wing nut an additional 1/4 turn. 2 Note: When properly adjusted, the brake should pro- vide only enough drag to prevent overrun of the spool and excess slack in the wire. Too much drag may 1 result in wire feeding problems, and may cause pre- 4 5 mature wear of wire drive system compo
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B-5 B-5 OPERATION 6. Refer to Figure B.7. Connect work clamp to metal to be welded. Work clamp must make good elec- trical contact to the workpiece. The workpiece must also be grounded as stated in “Arc Welding Contact Tip Safety Precautions” in the beginning of this manu- al. 7. Position gun over joint. End of wire may be lightly Wire Electrode touching the work. 3/8"– 1/2"(10-13mm) Contact Tip to Work Distance(CTWD) 8. Lower welding helmet, close gun trigger, and begin welding. Hold the gun so
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B-6 B-6 OPERATION The SP-135T is suitable for .035" aluminum wire and 2. If using a regulator with an adjustable flow meter, .030" stainless wire. Refer to Table B.1 for recom- press the gun trigger and adjust the flow to give 15 mended procedure settings (requires K499 Argon – 20 cubic ft per hour (CFH) (7 – 10 I/min) [use 20 Regulator Kit). – 25 CFH (10 – 12 I/min) when welding out of position or in a drafty location for CO ]. For argon 2 TABLE B.1 mixed gas, press the gun trigger to release
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B-7 B-7 APPLICATION CHART SP-135T
