Benutzeranleitung / Produktwartung SVM 122-A des Produzenten Lincoln Electric
Zur Seite of 116
SVM 122-A Oct. 1996 Safety Depends on Y ou Lincoln arc welding and cutting equipment is designed and built with safety in mind. However , your overall safety can be increased by pr oper installation .
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SAFETY i i LINCOLN ® ELECTRIC IDEALARC DC-400 FOR ENGINE powered equipment. 1.a. T urn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SAFETY ii ii LINCOLN ® ELECTRIC IDEALARC DC-400 ARC RA YS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SAFETY iii iii LINCOLN ® ELECTRIC IDEALARC DC-400 FOR ELECTRICALL Y powered equipment. 8.a. T urn off input power using the disconnect switch at the fuse box before working on the equipment.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SAFETY iv iv LINCOLN ® ELECTRIC IDEALARC DC-400 PRÉCAUTIONS DE SÛRETÉ Pour votre pr opr e pr otection lir e et o.
MASTER T ABLE OF CONTENTS FOR ALL SECTIONS v v LINCOLN ® ELECTRIC IDEALARC DC-400 Page Safety .................................................................................................................................................i-iv Installation .
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC T ABLE OF CONTENTS - INST ALLA TION SECTION - Section A-1 Section A-1 LINCOLN ® ELECTRIC IDEALARC DC-400 Installation T echnical Specifications Idealarc DC-400 ......
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC INST ALLA TION A-2 A-2 LINCO.
Read this entire installation section before you start installation. SAFETY PRECAUTIONS ELECTRIC SHOCK can kill. • Do not touch electrically live parts or electrodes with your skin or wet clothing. • Insulate yourself from the work and ground. • Always wear dry insulating gloves.
INPUT CONNECTIONS Be sure the voltage, phase, and fr equency of the input power is as specified on the rating plate, lo- cated on the case front contr ol panel.
Have a qualified electrician connect the input power leads to the L1, L2, and L3 terminals of the input con- tactor . Follow all national and local electrical codes. Use a three-phase line. Refer to the connection dia- gram located on the inside cover of the access panel cover .
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC INST ALLA TION A-6 A-6 LINCOLN ® ELECTRIC IDEALARC DC-400 FIGURE A.4 - INPUT CONNECTION DIAGRAM FOR 208, 208/230 and 230/460 VOL TS AC, 50/60 HZ THE LINCOLN ELECTRIC CO.
OUTPUT CONNECTIONS The output (welding) cables are connected to the output terminals marked “+” and “-”. See T able A.1 for recom- mended cable sizes for the combined lengths of elec- trode and work cables. They ar e located at the lower right and lower left cor ners of the front panel.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC INST ALLA TION A-8 A-8 LINCOLN ® ELECTRIC IDEALARC DC-400 T ABLE A.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Section B-1 Section B-1 LINCOLN ® ELECTRIC IDEALARC DC-400 - OPERA TION SECTION - Operation ..........................................................................
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC B-2 B-2 LINCOLN ® ELECTRIC IDEALARC DC-400 OPERA TING INSTRUCTIONS Read and understand this entire section of operating instructions before operating the machine.
GENERAL DESCRIPTION The Idealarc DC-400 is an SCR contr olled thr ee-phase input, DC output power source for welding and cut- ting. It uses a single range potentiometer control.
CONTROLS AND SETTINGS All operator controls and settings ar e located on the case front assembly . See Figure B.1 for their loca- tions. FIGURE B.1 – CASE FRONT CONTROLS 1. POWER SOURCE PILOT LIGHT : This light indi- cates that the power source input contactor is ener gized (closed).
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC OPERA TION B-5 B-5 LINCOLN ® ELECTRIC IDEALARC DC-400 7.
WELDING OPERA TION OPERA TING STEPS LOCAL CONTROL The following procedur es are for using the Idealar c DC-400 in the local control mode of operation. For remote contr ol of the machine, see the REMOTE CONTROL section. Before operating the machine, make sur e you have all materials needed to complete the job.
NA-3 AUTOMA TIC WIRE FEEDER 1. Set the DC-400 OUTPUT CONTROL switch to “Remote.” NOTE: Later model NA-3 automatic wire feeders are capable of cold starts when the NA-3 Mode switch is in the CV or CC mode posi- tion. Some earlier models are capable of cold starting only in the CC mode position.
4. T urn the Start Board Timer to maximum. 5. Set Start Boar d current and voltage contr ol. a. Set the Start Board curr ent control to 1-1/2 dial numbers below that set on the NA-3 cur- rent contr ol. b. Set the Start Board voltage contr ol equal with the NA-3 voltage control setting.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC OPERA TION B-9 B-9 LINCOLN .
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC T ABLE OF CONTENTS - ACCESSORIES - Accessories ........................................................................................................................
OPTIONS/ACCESSORIES F ACTOR Y INST ALLED OPTION DIODE OPTION This factory installed option allows use of the cold- start and cold electrode sensing featur es of the NA-3, NA-5, or NA-5R automatic wire feeders. See the topic, Connecting the NA-3 [NA-5] to the Idealarc DC-400 in this section of the manual.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC ACCESSORIES C-3 C-3 LINCOLN .
REMOTE OUTPUT CONTROL (K857 WITH K864 ADAPTER PLUG OR K775) The K857 has a 6-pin MS-style connector . The K857 requir es a K864 adapter cable which connects to the 14-pin connector on the machine. An optional “remote output contr ol” is available.
ACCESSORIES C-5 C-5 LINCOLN ® ELECTRIC IDEALARC DC-400 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Amptrol Only: The Amptrol pr ovides remote curr ent control thr ough the full range of the power source.
ACCESSORIES C-6 C-6 LINCOLN ® ELECTRIC IDEALARC DC-400 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC CAP ACITOR DISCHARGE CIRCUIT (K828-1) Mounts inside the DC-400.
FIGURE C.4 – NA-3 WIRE FEEDER CONNECTION TO THE IDEALARC DC-400 5. Extend wire feeder control cable lead #21 so it can be connected directly to the work piece. a. Make a bolted connection using A WG #14 or lar ger insulated wir e. T ape the bolted connec- tion with insulating tape.
5. Extend wire feeder control cable lead #21 so it can be connected directly to the work piece. a. Make a bolted connection using A WG #14 or lar ger insulated wir e. T ape the bolted connec- tion with insulating tape. b. An S-16586- X remote voltage sensing work lead is available for this purpose.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC ACCESSORIES C-9 C-9 LINCOLN ® ELECTRIC IDEALARC DC-400 FIGURE C.
CONNECTING THE LN-7 TO THE IDEALARC DC-400 (TERMINAL STRIP) 1. Disconnect main AC input power to the Idealarc DC-400. 2. Set the Idealarc DC-400 POWER toggle switch to the OFF (0) position. 3. Connect the wire feeder control cable leads to the Idealarc DC-400 terminal strip as shown in Figur e C.
CONNECTING THE LN-8 OR LN-9 TO THE IDEALARC DC-400 (TERMINAL STRIP) 1. Disconnect main AC input power to the Idealarc DC-400. 2. Set the Idealarc DC-400 POWER toggle switch to the OFF (0) position. 3. Connect the wire feeder control cable leads to the Idealarc DC-400 terminal strip as shown in Figur e C.
CONNECTING THE LN-8 OR LN-9 TO THE IDEALARC DC-400 (14-PIN AMPHENOL) 1. Disconnect main AC input power to the Idealarc DC-400. 2. Set the POWER toggle switch to the OFF (0) posi- tion. 3. Connect the electrode cable from the LN-8 or LN-9 to the “+” terminal of the welder .
CONNECTING THE LN-742 TO THE IDEALARC DC-400 (14-PIN AMPHENOL) 1. Disconnect main AC input power to the Idealarc DC-400. 2. Set the POWER toggle switch to the OFF (0) posi- tion. 3. Connect the electrode cable from the LN-742 to the “+” terminal of the welder .
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Section D-1 Section D-1 LINCOLN ® ELECTRIC IDEALARC DC-400 T ABLE OF CONTENTS -MAINTENANCE- Maintenance ..............................................................
SAFETY PRECAUTIONS ELECTRIC SHOCK can kill. • Only qualified personnel should perform this mainte- nance. • T urn the input power OFF at the disconnect switch or fuse box before working on this equipment.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC MAINTENANCE D-3 D-3 LINCOLN ® ELECTRIC IDEALARC DC-400 5 7 8 6 9 3 4 2 1 12 10 11 FIGURE D.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Section E-1 Section E-1 LINCOLN ® ELECTRIC IDEALARC DC-400 Theory of Operation .......................................................................................
GENERAL DESCRIPTION The DC-400 is a multiprocess welder power sour ce capable of both constant voltage and constant current operation. Its power system is SCR controlled with solid state electronic cir cuitry . Minimum to maximum output is obtained with a single potentiometer control.
OUTPUT MODE AND CONTROL, RECTIFICA TION AND FEEDBACK The three-phase AC output fr om the main transformer secondary is rectified and contr olled through the SCR/ diode bridge. Output current and voltage is sensed at the shunt and output terminals. This feedback infor- mation is processed in the contr ol board.
PROTECTIVE DEVICES AND CIRCUITS T wo thermostats protect the DC-400 fr om excessive operating temperatures and overload conditions. Excessive operating temperatures may be caused by insufficient cooling air or by operating the machine beyond the duty cycle and output rating.
SCR OPERA TION A silicon controlled r ectifier (SCR) is a three terminal device used to control rather lar ge curr ents to a load. An SCR acts very much like a switch. When a gate signal is applied to the SCR, it is turned ON and there is current flow fr om anode to cathode.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Section F-1 Section F-1 LINCOLN ® ELECTRIC IDEALARC DC-400 T roubleshooting & Repair Section .....................................................................
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC HOW TO USE TROUBLESHOOTING GUIDE Service and repair should be performed by only Lincoln Electric Factory T rained Personnel.
ELECTRIC SHOCK can kill. Have an electrician install and service this equipment. T ur n the machine OFF before working on equipment. Do not touch electrically hot parts. Sometimes machine failures appear to be due to PC board failur es. These problems can sometimes be traced to poor electrical connections.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-4 F-4 LINCOLN ® ELECTRIC IDEALARC DC-400 Observe Safety Guidelines TROUBLESHOOTING GUIDE detailed in the beginning of this manual.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-5 F-5 LINCOLN ® ELECTRIC IDEALARC DC-400 TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-6 F-6 LINCOLN ® ELECTRIC IDEALARC DC-400 Observe Safety Guidelines TROUBLESHOOTING GUIDE detailed in the beginning of this manual.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-7 F-7 LINCOLN ® ELECTRIC IDEALARC DC-400 TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-8 F-8 LINCOLN ® ELECTRIC IDEALARC DC-400 Observe Safety Guidelines TROUBLESHOOTING GUIDE detailed in the beginning of this manual.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-9 F-9 LINCOLN ® ELECTRIC IDEALARC DC-400 TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-10 F-10 LINCOLN ® ELECTRIC IDEALARC DC-400 Observe Safety Guidelines TROUBLESHOOTING GUIDE detailed in the beginning of this manual.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-11 F-11 LINCOLN ® ELECTRIC IDEALARC DC-400 TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-12 F-12 LINCOLN ® ELECTRIC IDEALARC DC-400 TROUBLESHOOTING & REP AIR TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-13 F-13 LINCOLN ® ELECTRIC IDEALARC DC-400 Observe Safety Guidelines TROUBLESHOOTING GUIDE detailed in the beginning of this manual.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-14 F-14 LINCOLN ® ELECTRIC IDEALARC DC-400 TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual.
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Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-16 F-16 LINCOLN ® ELECTRIC IDEALARC DC-400 INPUT CONT ACTOR TEST (continued) TEST PROCEDURE 1.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-17 F-17 LINCOLN ® ELECTRIC IDEALARC DC-400 TEST FOR CONT ACT CONTINUITY 1.
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Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-19 F-19 LINCOLN ® ELECTRIC IDEALARC DC-400 CONTROL TRANSFORMER (T2) VOL T AGE TEST (continued) FIGURE F .
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-20 F-20 LINCOLN ® ELECTRIC IDEALARC DC-400 CONTROL TRANSFORMER (T2) VOL T AGE TEST (continued) 6.
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Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-22 F-22 LINCOLN ® ELECTRIC IDEALARC DC-400 MAIN TRANSFORMER (T1) VOL T AGE TEST (continued) FIGURE F .
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-23 F-23 LINCOLN ® ELECTRIC IDEALARC DC-400 8. Read the meter .
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-24 F-24 LINCOLN ® ELECTRIC IDEALARC DC-400 12.
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Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AI.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-27 F-27 LINCOLN ® ELECTRIC IDEALARC DC-400 ST A TIC SCR/DIODE RECTIFIER BRIDGE TEST (continued) FIGURE F .
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-28 F-28 LINCOLN ® ELECTRIC IDEALARC DC-400 ST A TIC SCR/DIODE RECTIFIER BRIDGE TEST (continued) 8.
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Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-30 F-30 LINCOLN ® ELECTRIC IDEALARC DC-400 ACTIVE SCR TEST (continued) TEST PROCEDURE 1.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-31 F-31 LINCOLN ® ELECTRIC IDEALARC DC-400 ACTIVE SCR TEST (continued) 8.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-32 F-32 LINCOLN ® ELECTRIC IDEALARC DC-400 ACTIVE SCR TEST (continued) 9.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-33 F-33 LINCOLN ® ELECTRIC IDEALARC DC-400 This is the typical DC open circuit voltage waveform generated from a properly operating machine.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-34 F-34 LINCOLN ® ELECTRIC IDEALARC DC-400 This is the typical DC open circuit voltage waveform generated from a properly operating machine.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-35 F-35 LINCOLN ® ELECTRIC IDEALARC DC-400 This is the typical DC open circuit voltage waveform generated from a properly operating machine.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-36 F-36 LINCOLN ® ELECTRIC IDEALARC DC-400 This is the typical DC open circuit voltage waveform generated from a properly operating machine.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-37 F-37 LINCOLN ® ELECTRIC IDEALARC DC-400 This is the typical DC open circuit voltage waveform generated from a properly operating machine.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-38 F-38 LINCOLN ® ELECTRIC IDEALARC DC-400 This is the typical SCR gate pulse voltage waveform.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-39 F-39 LINCOLN ® ELECTRIC IDEALARC DC-400 This is NOT the typical DC output voltage waveform.
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Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-41 F-41 LINCOLN ® ELECTRIC IDEALARC DC-400 INPUT CONT ACTOR (CR1) CLEANING/REPLACEMENT (continued) FIGURE F .
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Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-43 F-43 LINCOLN ® ELECTRIC IDEALARC DC-400 F AN MOTOR AND BLADE REMOV AL AND REPLACEMENT (continued) FIGURE F .
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Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-45 F-45 LINCOLN ® ELECTRIC IDEALARC DC-400 SCR/DIODE RECTIFICER ASSEMBL Y REMOV AL AND REPLACEMENT (continued) FIGURE F .
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Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-47 F-47 LINCOLN ® ELECTRIC IDEALARC DC-400 FIGURE F .
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-48 F-48 LINCOLN ® ELECTRIC IDEALARC DC-400 FIGURE F .
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Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-50 F-50 LINCOLN ® ELECTRIC IDEALARC DC-400 SCR REMOV AL AND REPLACEMENT (continued) PROCEDURE FOR THE 5/8 INCH WIDE SPRING 1.
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Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-53 F-53 LINCOLN ® ELECTRIC IDEALARC DC-400 PROCEDURE 1.
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Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-55 F-55 LINCOLN ® ELECTRIC IDEALARC DC-400 REMOV AL OF LIFT BAIL 1.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-56 F-56 LINCOLN ® ELECTRIC IDEALARC DC-400 FIGURE F .
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-57 F-57 LINCOLN ® ELECTRIC IDEALARC DC-400 FIGURE F .
3. Install the bottom primary coils, one on each of the three legs of the bottom ir on assembly . The coils must be in correct position (left, center , right). Place the coils so that the leads come out at the back of the machine. See Figure F .28 for proper positioning.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AIR F-59 F-59 LINCOLN ® ELECTRIC IDEALARC DC-400 MAIN TRANSFORMER REMOV AL & REPLACEMENT (continued) 10.
REASSEMBLING THE MAIN TRANSFORMER INTO THE MACHINE NOTE: The following procedur e assumes you have completely reassembled the transformer coils as described in the procedur e above. The lower iron has r emained in place in the machine. See Figures F .
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Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC TROUBLESHOOTING & REP AI.
T ABLE OF CONTENTS - ELECTRICAL DIAGRAMS SECTION - IDEALARC DC400 Electrical Diagram Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section G Wiring Diagram (Codes 9847, 9848) . . . . . . . . . . . . . . . . . . . . . . . . .
NOTES IDEALARC DC400 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC.
G-2 ELECTRICAL DIAGRAMS IDEALARC DC400 Wiring Diagram (Codes 9847, 9848) L9106 12-9-94F H2 H3 H4 ELECTRICAL SYMBOLS PER 1 1 2 4 3 1 6 PIN 4 PIN 8 PIN 12 PIN J6 J3 J2 CONNECTOR CAVITY NUMBERING SEQUENCE (COMPONENT SIDE OF P.C. BOARD) NOTES 225 4 2 31 32 75 76 77 225 TS1 TS2 C6 .
G-3 ELECTRICAL DIAGRAMS IDEALARC DC400 Wiring Diagram (Code 9850) L9107 13 14 15 16 17 18 H2 H3 H4 ELECTRICAL SYMBOLS PER E1537 CONNECTOR CAVITY NUMBERING SEQUENCE (COMPONENT SIDE OF P.C. BOARD) NOTES N.A. CIRCUITRY PRESENT ON CAPACITOR DISCHARGE ONLY.
G-4 ELECTRICAL DIAGRAMS IDEALARC DC400 Control PC Board (G2588) Layout SHT. NO. G IDEALARC DC-400 2588-1 CONTROL P.C. BOARD ASSEMBLY IDENTIFICATION PART No.
G-5 ELECTRICAL DIAGRAMS IDEALARC DC400 Starting PC Board (M14520) Layout IDENTIFICATION PART NO. REQ'D ITEM C1 D1, D2 D3, D4, D5, D6, D7 R1, R2 R3, R5 R4 R6 SCR2 SCR1 TP1 SBS1 TP2 1 1 1 1 1 1 2 5 2 2 1 1 S13490-72 S15161-19 S19400-1001 S19400-1501 T12199-1 T12199-2 S20630-1 T13640-12 T13640-18 T14648-9 T14649-4 T14805-1 50/50 4A, 400V SCR 1.
G-6 ELECTRICAL DIAGRAMS IDEALARC DC400 Snubber PC Board (M15370) Layout ITEM PART NO. REQD DESCRIPTION C1,C2,C3 3 2 3 3 2 1 R1,R2,R3 C4,C5 TP1,TP2,TP3 TP4,TP5 TP6 T11577-68 T12733-10 T13640-12 T13640-16 T13640-18 T11577-46 .
G-7 ELECTRICAL DIAGRAMS IDEALARC DC400 Control PC Board (G2588) Schematic 1400V .0047 C51 RF +15V -10V +15V +15V 10K R85 1.50K R301 50V 4 C33 1N4004 D55 475K R128 1N4004 D57 1.00M R80 1N4004 D56 100K R59 -7.5V X2 8 10 9 475K R99 10K R123 +15V 1N4004 D59 VOLTAGE BUFFER RECTIFIER BRIDGE +15V 1N4004 D41 1.
G-8 ELECTRICAL DIAGRAMS IDEALARC DC400 Starting PC Board (M14520) Schematic 55A 400V SCR2 1 3 2 38J 130V TP1 D5 D4 D3 1N4007 D2 J6 4 4A 400V SCR1 1.00K R5 1.
G-9 ELECTRICAL DIAGRAMS IDEALARC DC400 Snubber PC Board (M15370) Schematic 38J 130V TP3 S 160J 320V TP5 19687 225 19687 160J 320V TP4 600V .05 C4 600V .
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