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IM465-B
®
October, 1999
INVERTEC DC TIG STARTER
This manual for use with DC TIG Starter Codes 9926, 9990 & 10368
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
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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 zones où l’on pique le laitier. PRÉCAUTIONS DE SÛRETÉ 6. Eloigner les matériaux inflammables ou les recouvrir afin de Pour votre propre protection lire et observer toutes les instructions prévenir tout risque d’incendie dû aux étincelles. et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- 7. Quand on ne soude pas, poser la pince à une endroit isolé de antes: la masse. Un court-circuit accidental peut provo
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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 Product Description ...............................................................................................A-2 Recommended Processes and Equipment ...........................................................A-2 Compatible Li
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NOTES
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A-1 A-1 INSTALLATION TECHNICAL SPECIFICATIONS – DC TIG STARTER INPUT Standard Voltage/Frequency Input Current 42 VAC ±15% / 50/60 Hz. 2.0 Amps - Rated Output CURRENT LIMIT Duty Cycle Amps 60% Duty Cycle 300 100% Duty Cycle 250 PHYSICAL DIMENSIONS Height Width Depth Weight 6.44 in 10.72 in 21.01 in 23 Ibs 164 mm 272 mm 523 mm 10.4 kg INVERTEC DC TIG STARTER
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A-2 A-2 INSTALLATION PRODUCT DESCRIPTION INSTALLATION WARNING The purpose of the DC TIG Starter is to provide a high frequency, high voltage pulse for arc starting in DC ELECTRIC SHOCK can kill. TIG welding applications. It is intended to be used � Have an electrician install and service with the Invertec™ power sources which have a 5.5 this equipment. amp, 42 VAC auxiliary supply. The DC TIG Starter’s � Turn the input power off at the fuse output rating matches the Invertec V300’s (300 box b
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A-3 A-3 INSTALLATION b. Keep the work and torch leads as short as possible Output Connection and as close together as possible. Lengths should not exceed 25 ft. (7.6m). Tape the leads together An output cable assembly is supplied with the kit to when practical. connect the DC TIG Starter with the Invertec’s nega- tive or positive output quick connect terminals. (For c. Be sure the torch and work cable rubber coverings electrode negative or positive connections, with the are free of cuts and c
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A-4 A-4 INSTALLATION Figure 2 below shows connection of water-cooled b. Disconnect all items connected to the DC TIG torches with the required 7/8-RH to 5/8-RH adapter for Starter from the V300 (input cable, V300 output the gas fitting. The water/coolant inlet connection for cable, torch connection and gas and coolant lines). the torch should be connected directly to the 7/8-LH water/coolant connection. c. Uncouple Invertec from DC TIG Starter by remov- ing 4 connecting fasteners. FIGURE 2 d.
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B-1 B-1 OPERATION Limitations OPERATING INSTRUCTIONS WARNING a. The DC TIG Starter is not recommended for processes where procedures are not within its cur- ELECTRIC SHOCK can kill. rent and/or duty cycle ratings. � Do not touch electrically live parts or electrode with skin or wet clothing. b. The DC TIG Starter is not intended for use with AC � Insulate yourself from work and welding. ground. � Always wear dry insulating gloves. c. The DC TIG Starter is not intended for use where ----------
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B-2 B-2 OPERATION Power Source and Starter Kit Operation Mode: This switch on the Invertec should be set to the GTAW position for both scratch start and non-contact, Duty Cycle high frequency starting use. The DC TIG Starter kit is rated to match the V300 SMAW Invertec’s duty cycle of 300 amps, 60% duty cycle, CRISP FCAW and 250 amps, 100% duty cycle. SMAW Invertec Control Function/Operation SOFT GMAW Power Switch: Placing the Invertec’s power switch in GTAW the “ON” position will energize the I
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B-3 B-3 OPERATION DC TIG Starter Front Panel
DC TIG Starter Control Function/Operation Postflow Time: An infinite range of postflow times Trigger Function Switch: This switch selects a 2-step between 5 and 55 seconds can be set by adjusting or 4-step trigger function
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! ! B-4 B-4 OPERATION FIGURE 3 Operation with an Amptrol 2-Step Trigger Control Using Arc Start Switch For best use of the DC TIG Starter with an optional hand or foot amptrol, the Trigger Function Switch $ should be placed in the 2-step position and the downslope control should be placed in the FAST (or #
! %% ! OFF) position. $ " Remote Control Switch Located at the rea
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C-1 C-1 ACCESSORIES There are no factory installed options. The DC TIG Starter comes complete with cables, torch adapters, and hardware for installation. Field Installed Options/Accessories: Cable Plugs: Cable Plug Kit for 1/0-2/0- cable (K852- 70): Attaches to welding cable to provide quick dis- connect from machine. NOTE: A 17” 1/0 cable with two K852-70 plugs installed is included with the DC TIG Starter kit for use in installing the kit beneath the Invertec. Remote Control: K963 Hand Amptro
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D-1 D-1 MAINTENANCE MAINTENANCE WARNING ELECTRIC SHOCK can kill. � Only qualified persons should install, use or service this equipment. � Turn off the input power to the Welding Power Source using the disconnect switch at the fuse box before connecting the DC Tig Starter to the power source, or the Remote Control, Amptrol or adapter to the DC Tig Starter. � Welding cable must be sized for current and duty cycle of application. --------------------------------------------------------------------
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E-1 E-1 TROUBLESHOOTING HOW TO USE TROUBLESHOOTING GUIDE AND GENERAL INFORMATION ON TROUBLE SHOOTING WARNING This Troubleshooting Guide is designed to be used by the machine Owner/Operator. 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, please observe all safety notes and precautions detailed in the Safety Section of this manual to avoid electrical shock or danger while troub
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E-2 E-2 TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS RECOMMENDED (SYMPTOMS) COURSE OF ACTION No output; fan does not operate. 1. Check that the input cable assembly is tightly connected. 2. Check the wiring at the 14-pin and 6-pin Amphenols. All connec- tions should be insulated and free of debris. 3. Check that there is 42 VAC present between cavities “I” and “K”, (leads 42 and 41), of the 14-pin Amphenol. If 42 VAC is present between these cavities at
