Gebruiksaanwijzing /service van het product IDEALARC DC 1000 SVM123-A van de fabrikant Lincoln Electric
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IDEALARC DC 1000 SER VICE MANUAL Sales and Service through Subsidiaries and Distributors Worldwide 22801 St. Clair Ave. Cleveland, Ohio 44117-1199 U.S.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC FOR ENGINE powered equipment. 1.a. Turn the engine off before trou- bleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC FUMES AND GASES can be dangerous. 5.a. Welding may produce fumes and gases hazardous to health. Avoid breathing these fumes and gases.When welding, keep your head out of the fume.
FOR ELECTRICALL Y powered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working on the equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer’s recommendations.
SAFETY iv PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instruc- tions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suivantes: Sûreté Pour Soudage A L’Arc 1.
v IDEALARC DC - 1000 MASTER T ABLE OF CONTENTS FOR ALL SECTIONS Page Safety .....................................................................................................................................................i - iv Installation ......
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC IDEALARC DC-1000 A-1 T ABLE OF CONTENTS -INST ALLA TION SECTION- INSTALLATION ..................................................................................Section A Technical Specifications .
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 Duty Cycle Amps Volts at Rat.
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 A-3 INST ALLA TION IDEALARC DC-1000 Read entire Installation Section before installing the IDEALARC DC-1000.
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 IDEALARC DC-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 CONNECTION FOR UNDER 300 VOLTS 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 INST ALLA TION IDEALARC DC-1000 A-6 CONNECTION FOR 380 VOLTS 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 A-7 INST ALLA TION IDEALARC DC-1000 All input power must be electrically disconnected before touching 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 IDEALARC DC-1000 A-8 OUTPUT CONNECTIONS See Table A.1 for recommended IDEALARC DC-1000 cable sizes for combined length of electrode and work cables.
A-9 INST ALLA TION IDEALARC DC-1000 A-9 CONNECTION FOR AIR/CARBON ARC CUTTING OPERA TION THE OUTPUT TERMINALS ARE ENERGIZED AT ALL TIMES WHEN THE IDEALARC DC-1000 IS CONNECTED FOR AIR/CARBON ARC CUTTING. ____________________________________________________ 1.
A-10 NOTES IDEALARC DC-1000 A-10 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.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC IDEALARC DC-1000 B-1 T ABLE OF CONTENTS -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 OPERA TION B-2 IDEALARC DC-1000 Read and understand this entire section before operating your 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 B-3 OPERA TION GENERAL DESCRIPTION The IDEALARC DC-1000 is an SCR-controlled, three phase, welding and cutting power source.
B-4 OPERA TION B-4 • Three circuit solid state control system provides maximum performance and circuit protection. • Low profile case provides maximum use of space. • Convenient access to all controls. • Large output lead strain relief openings to prevent terminal and cable damage.
B-5 OPERA TION B-5 1. ON/OFF PUSH BUTTON: This push button turns the machine ON or OFF 2 . OUTPUT CONTROL POTENTIOMETER: This control provides tapered, continuous control of the machine output. The control can be rotated from minimum to maximum while machine is under load to adjust the machine output.
B-6 OPERA TION B-6 OPERA TING STEPS The following procedures are for using the IDEALARC DC-1000 in the local control mode of operation. For remote control of the machine, see the Remote Control of Machine Operation section. Before operating the machine, make sure you have all materials needed to complete the job.
B-7 OPERA TION B-7 GOOD ARC STRIKING GUIDELINES FOR THE NA-3 WITH THE IDEALARC DC-1000 IN THE CV INNERSHIELD®, CV SUBMERGED ARC OR VV (CC) WELDING MODES. Following are some basic arc striking techniques that apply to all wire feed processes. Using these proce- dures should provide trouble-free starting.
B-8 OPERA TION B-8 c. Set NA-3 Start Board current and voltage as close to the welding procedure current and voltage as possible. NOTE: The Start Board current and volt- age should be as close as possible to the welding procedure current and voltage, while still getting satisfactory starts.
C-1 ACCESSORIES C-1 IDEALARC DC-1000 T ABLE OF CONTENTS -ACCESSORIES SECTION- ACCESSORIES ........................................................................................................................Section C Options/Accessories ...........
C-2 ACCESSORIES C-2 OPTIONS/ACCESSORIES • Remote Control Box Assembly (K775) • LN-7 • LN-8 } Semi-Automatic Wire Feeders • LN-9 • NA-3 • NA-5 } Automatic Wire Feeders • LT-7 and LT-56 Tractors METERS Optional factory-installed voltmeter and ammeter are available.
C-3 ACCESSORIES C-3 d. Tape the #21 lead to work cable for ease of use. 6. Connect the welding cables as shown in Figure C.1. NOTE: Welding cables must be of proper capacity for the current and duty cycle for immediate and future applications. NOTE: The connection diagram shown in Figure C.
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 C-4 ACCESSORIES C-4 NOTE: The connection diagram shown in Figure C.2 shows the electrode connected for positive polarity.
C-5 ACCESSORIES C-5 CONNECTING THE LN-9 WIRE FEEDER TO THE IDEALARC DC-1000 1. Set the ON/OFF PUSH BUTTON to the OFF pos- tion. 2. Disconnect AC input power to the IDEALARC DC- 1000. 3. Connect the wire feeder control cable leads to the DC-1000 terminal strip.
C-6 ACCESSORIES C-6 CONNECTING THE LN-7 WIRE FEEDER TO THE IDEALARC DC-1000 1 . Set the IDEALARC DC-1000 ON/OFF PUSH BUTTON to OFF. 2 . Disconnect main AC input power to the IDE- ALARC DC-1000. 3 Connect the wire feeder control cable leads to the IDEALARC DC-1000 terminal strip as shown in Figure C.
D-1 MAINTENANCE D-1 IDEALARC DC - 1000 T ABLE OF CONTENTS -MAINTENANCE SECTION- MAINTENANCE ...................................................................................................Section D Safety Precautions................................
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 3. Inspect the electrode cables for any slits or punc- tures in the cable jacket, or any condition that would affect the proper operation of the 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 D-3 MAINTENANCE D-3 IDEALARC DC-1000 FIGURE D.
D-4 NOTES IDEALARC DC-1000 D-4 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 T.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC E-1 THEOR Y OF OPERA TION E-1 IDEALARC DC-1000 T ABLE OF CONTENTS -THEOR Y OF OPERA TION SECTION- THEORY OF OPERATION 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 E-2 THEOR Y OF OPERA TION E-.
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 THEOR Y OF OPERA TION E-3 OU.
E-4 THEOR Y OF OPERA TION E-4 PROTECTION DEVICES AND CIRCUITS (CONT ACTOR HOLD-IN) Two thermostats protect the DC-1000 from exces- sive operating temperatures. Excessive operating temperatures may be caused by a lack of cooling air or operating the machine beyond the duty cycle and output rating.
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 E-5 THEOR Y OF OPERA TION E-5 SCR OPERA TION A silicon controlled rectifier (SCR) is a three termi- nal device used to control rather large currents to a load.
E-6 NOTES IDEALARC DC-1000 E-6 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 T.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC IDEALARC DC-1000 F-1 TROUBLESHOOTING & REP AIR F-1 T ABLE OF CONTENTS -TROUBLESHOOTING AND REP AIR SECTION- TROUBLESHOOTING AND 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 IDEALARC DC-1000 F-2 TROUBLESHOOTING & REP AIR F-2 This Troubleshooting Guide is provided to help you locate and repair possible machine malfunctions.
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 IDEALARC DC-1000 F-3 TROUBLESHOOTING & REP AIR F-3 _______________________________ CAUTION: Sometimes machine failures appear to be due to PC board failures.
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 If for any reason you do not.
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-5 TROUBLESHOOTING & RE.
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 F-7 TROUBLESHOOTING & RE.
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-8 TROUBLESHOOTING & RE.
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-9 TROUBLESHOOTING & RE.
F-10 TROUBLESHOOTING & REP AIR F-10 IDEALARC DC-1000 Observe all Safety Guidelines detailed througout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed.
F-11 TROUBLESHOOTING & REP AIR F-11 IDEALARC DC-1000 Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed.
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 TROUBLESHOOTING & R.
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 IDEALARC DC-1000 F-13 TROUBLESHOOTING & REP AIR F-13 TEST DESCRIPTION This test will determine if the correct voltage is being: a.
F-14 TROUBLESHOOTING & REP AIR F-14 TEST PROCEDURE 1. Disconnect main AC input power to the machine. 2. Remove the Top and Case Sides. 3. Locate the Control Transformer (T2) on the left side of the Input Box (fac- ing the back of the machine). See 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 F-15 TROUBLESHOOTING & REP AIR F-15 5. Locate Control Transformer leads X1 and X2 at in line connectors.
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 Service and repair should be performed only by Lincoln Electric factory trained personnel.
F-17 TROUBLESHOOTING & REP AIR F-17 TEST DESCRIPTION 1. Disconnect main AC input power to the machine. 2 . Inspect the Input Contactor, Reconnect Panel, and primary leads to the Main Transformer for loose or faulty connections. See Figure F.3. 3. Apply input power, push start button, and make sure the Input Contactor (1CR) energizes.
F-18 TROUBLESHOOTING & REP AIR F-18 a. If one or more of the above voltage tests are incorrect, check for loose or faulty wiring. If the wiring is good, then the Main Transformer may be faulty. NOTE: A long wire with clip or a long probe may be required to reach the lower middle lead.
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-19 TROUBLESHOOTING & R.
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-20 TROUBLESHOOTING & REP AIR F-20 FIRING BOARD TEST IDEALARC DC-1000 Service and repair should be performed only by Lincoln Electric factory trained personnel.
F-21 TROUBLESHOOTING & REP AIR F-21 TEST PROCEDURE FOR NORMAL FIRING BOARD OPERA TION 1. Disconnect main AC input power to the machine. 2. Remove screws, loosen and lower the front panel to access the Firing Board on the left side of Control Box facing the machine.
F-22 TROUBLESHOOTING & REP AIR F-22 1 0. Rotate the output control poten - tiometer (R1). As the potentiometer is turned clockwise, the LEDs should glow brighter.
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-23 TROUBLESHOOTING & REP AIR F-23 15. Test the Output Pilot Relay (4CR) for operation by removing and replacing the jumper wire repeat- edly from terminal #2.
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-24 TROUBLESHOOTING & REP AIR F-24 FIRING BOARD TEST IDEALARC DC-1000 T ABLE 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 F-25 TROUBLESHOOTING & REP AIR F-25 IDEALARC DC-1000 CONTROL BOARD TEST Service and repair should be performed only by Lincoln Electric factory trained personnel.
F-26 TROUBLESHOOTING & REP AIR F-26 TEST PROCEDURE FOR NORMAL CONTROL BOARD OPERA TION 1. Remove main supply power to the DC-1000. 2. Remove screws, loosen and lower the Front Panel to access and inspect the Control Board located in the right front control box.
F-27 TROUBLESHOOTING & REP AIR F-27 POSSIBLE PROBLEMS PERT AINING TO THE CONTROL BOARD IF LED 1 does not light, when the start switch is ON. 1. Check for 115 VAC at leads #255 to #256 plug J1 a. If the correct voltage is not present, check leads #255 and #256 and associated wiring for loose or faulty connections.
F-28 TROUBLESHOOTING & REP AIR F-28 IF LED 2 does not light when #2 and #4 are jumpered together. 1. Check for the presence of open cir- cuit voltage at the weld output ter- minals (27 to 75 VDC in constant voltage mode, 75 VDC in constant current mode).
F-29 TROUBLESHOOTING & REP AIR F-29 I F LED 3 does not light when the Start Button is depressed (but LED 1 does light). The Fault Protection Relay (2CR) is not receiving supply voltage (24 VDC) and the Input Contactor (1CR) will not stay closed. Check to see if LED 4 lights or “flickers” when the Start Button is held in.
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-30 TROUBLESHOOTING & REP AIR F-30 IDEALARC DC-1000 Service and repair should be performed only by Lincoln Electric factory trained personnel.
F-31 TROUBLESHOOTING & REP AIR F-31 TEST PROCEDURE 1. Remove main supply power to the DC-1000. 2 . Remove all Molex plugs from the firing board and control board.
F-32 TROUBLESHOOTING & REP AIR F-32 3 . Remove the red insulating paint from heat sink test points. See Figure 13. NOTE: DO NOT DISASSEMBLE THE HEAT SINKS. 4. Using an analog ohmmeter, test the resistance from anode to cathode of SCR 1. Reverse the meter leads and check from cathode to anode of SCR 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 F-33 TROUBLESHOOTING & REP AIR F-33 5. Repeat Step 4 testing SCR 2, SCR 3, SCR 4, SCR 5, and SCR 6.
F-34 TROUBLESHOOTING & REP AIR F-34 IDEALARC DC-1000 Service and repair should be performed only by Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment could result in danger to the technician or the machine operator and will invalidate your factory warranty.
F-35 TROUBLESHOOTING & REP AIR F-35 1. Remove main supply power to the DC-1000. 2 . Remove all Molex plugs from the Firing Board and Control Board.
F-36 TROUBLESHOOTING & REP AIR F-36 3 . Remove the red insulating paint from heat sink test points. See Figure F.16. 4. Perform test procedure as follows. Refer to Figure F.17. Repeat test for all six SCRs. NOTE: Do not disassemble the heat sinks.
F-37 TROUBLESHOOTING & REP AIR F-37 5. To test SCRs, construct the circuit outlined in Figure F.17. Use one 6V lantern battery. Resistor values are in ohms ± 10%. The voltmeter scale should be low, approximately 0-5 or 0-10 volts. BA TTERY TEST Check the battery by shorting leads (A) and (C) and then close switch SW1.
TROUBLESHOOTING & REP AIR F-38 NORMAL OPEN CIRCUIT VOL T AGE W A VEFORM CONST ANT CURRENT MODE - NO LOAD IDEALARC DC-1000 Volts/Div . . . . . . . . . . . . . 50 V/Div. Horizontal Sweep . . . . . 2 ms/Div. Coupling . . . . . . . . . . . . . . . . .
F-39 TROUBLESHOOTING & REP AIR F-39 NORMAL OPEN CIRCUIT VOL T AGE W A VEFORM CONST ANT VOL T AGE INNERSHIELD - MAXIMUM OUTPUT SETTING - NO LOAD IDEALARC DC-1000 Volts/Div . . . . . . . . . . . . . 50 V/Div. Horizontal Sweep . . . . . 2 ms/Div. Coupling .
F-40 TROUBLESHOOTING & REP AIR F-40 NORMAL OPEN CIRCUIT VOL T AGE W A VEFORM CONST ANT VOL T AGE INNERSHIELD MINIMUM OUTPUT SETTING - NO LOAD IDEALARC DC-1000 Volts/Div . . . . . . . . . . . . . 50 V/Div. Horizontal Sweep . . . . . 2 ms/Div. Coupling .
F-41 TROUBLESHOOTING & REP AIR TYPICAL OUTPUT VOL T AGE W A VEFORM -MACHINE LOADED CONST ANT VOL T AGE INNERSHIELD MODE IDEALARC DC-1000 Volts/Div . . . . . . . . . . . . . 20 V/Div. Horizontal Sweep . . . . . 2 ms/Div. Coupling . . . . . . . . . .
F-42 TROUBLESHOOTING & REP AIR F-42 TYPICAL OUTPUT VOL T AGE W A VEFORM - MACHINE LOADED - 500 AMP OUTPUT TERMINAL CONST ANT VOL T AGE INNERSHIELD MODE IDEALARC DC-1000 Volts/Div . . . . . . . . . . . . . 20 V/Div. Horizontal Sweep . . . . . 2 ms/Div.
F-43 TROUBLESHOOTING & REP AIR F-43 TYPICAL SCR GA TE VOL T AGE W A VEFORM CONST ANT VOL T AGE INNERSHIELD MAXIMUM OUTPUT SETTING - NO LOAD IDEALARC DC-1000 SCOPE SETTINGS Volts/Div . . . . . . . . . . . . . . 1 V/Div. Horizontal Sweep . . . . . .
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-44 TROUBLESHOOTING & R.
F-45 TROUBLESHOOTING & REP AIR F-45 IDEALARC DC-1000 Service and repair should be performed only by Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment could result in danger to the technician or the machine operator and will invalidate your factory warranty.
F-46 TROUBLESHOOTING & REP AIR F-46 CLEANING PROCEDURE 1. Remove main input supply power to the DC-1000 and remove case top and sides. 2. Locate the input contactor. Using a 1/2” wrench, remove the cover plate from the input contactor. Mark, label, and remove leads as neces- sary to access the two nuts and washers on the studs.
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-47 TROUBLESHOOTING & REP AIR F-47 DO NOT APPLY INPUT POWER TO THE DC-1000 WITH THE CONTACTOR COVER PLATE REMOVED.
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 INSTALLATION 1. Install input contactor using a 7/16” socket wrench.
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-49 IDEALARC DC-1000 Service and repair should be performed only by Lincoln Electric factory trained personnel.
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-50 TROUBLESHOOTING & REP AIR SCR OUTPUT BRIDGE REMOV AL 1 . Remove input power to 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-51 1 0 . Cut any necessary cable ties to allow for the SCR bridge assembly removal.
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-52 TROUBLESHOOTING & REP AIR REMOV AL OF INDIVIDUAL SCR HEA T SINK ASSEMBLIES 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 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 F-54 TROUBLESHOOTING & REP AIR 7. Using a 3/8” socket wrench, attach the two screws (one on each side) holding the SCR assembly rails to the front panel assembly.
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 IDEALARC DC-1000 Service and repair should be performed only by Lincoln Electric factory trained personnel.
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-56 TROUBLESHOOTING & REP AIR REMOV AL OF LIFT BAIL 1 . Remove input power to 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-57 REASSEMBL Y OF LIFT BAIL 1 . Place the lift bail onto the IDE- ALARC DC-1000 from the top, low- ering straight onto the unit.
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-58 TROUBLESHOOTING & REP AIR IDEALARC DC-1000 Service and repair should be performed only by Lincoln Electric factory trained personnel.
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 MAIN TRANSFORMER DISASSEMBL Y AND ASSEMBL Y IDEALARC DC-1000 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 F-60 TROUBLESHOOTING & REP AIR MAIN TRANSFORMER DISASSEMBL Y 1 . Perform Lift Bail Removal Procedure .
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-61 TRANSFORMER REASSEMBL Y 1. Using a hoist, carefully lift the top iron onto the assembly.
NOTES IDEALARC DC-1000 F-62 F-62 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.
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-63 TROUBLESHOOTING & R.
F-64 NOTES IDEALARC DC-1000 F-64 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.
G-1 ELECTRICAL DIAGRAMS G-1 IDEALARC DC-1000 T ABLE OF CONTENTS -ELECTRICAL DIAGRAMS SECTION- DIAGRAMS ........................................................................................Section G Wiring Diagram (Codes 9919, 9920) ................
NOTES IDEALARC DC-1000 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 DC1000 Wiring Diagram (Codes 9919, 9920) 9008 Ch'ge. Sht. No. 2-19-93G 3-19-93D 11-19-93C t UNLESS OTHERWISE SPECIFIED TOLERANCE ON HOLE SIZES PER E2056 ON 2 PLACE DECIMALS IS .02 WITH PUBLISHED STANDARDS. ON 3 PLACE DECIMALS IS .
G-3 ELECTRICAL DIAGRAMS IDEALARC DC1000 Operating Schematic TS 2 21 4 2 31 32 TS 3 R1 S4-A S4-C CVI CVI CVS CVS S3 2CR L1 L2 L3 1CR START STOP R 1CR 2CR SECONDARY PRIMARY SHUNT 215 215 210 210 226 238 75 3CR 220 215 CURRENT REED SW.
G-4 ELECTRICAL DIAGRAMS IDEALARC DC1000 Control PC Board (G1585) Layout IDENTIFICATION PART No. REQ'D. ITEM C3 C15 D1,D2,D3,D4 1N4004 DZ2 DZ3 DZ4 DZ7 R1,R113 R13 R34 R39 R48 20K 1/2W R80,R94,R98 R84 D36 3 1 4 1 4 1 2 1 2 4 1 9 S16668-5 S13490-48 T11577-38 S13490-35 S13490-67 T11577-28 T12199-2 S13490-27 S13490-63 .
G-5 ELECTRICAL DIAGRAMS IDEALARC DC1000 Firing PC Board (G1486-5 and above) Layout 1/4W 150 1/2W 5.1 1/4W 475 FIRING BOARD G1486-5 R1 R2 R3 R4 R5 R6 R46 R47 R48 R64 R65 R66 R54 R53 R52 R42 R45 R41 R44.
G-6 ELECTRICAL DIAGRAMS IDEALARC DC1000 Control PC Board (G1585) Schematic 1.00K R22 J1 10 100V .047 C6 162 R133 75.0 R142 100V .047 C29 10K J1 8 15.0K R25 1N4004 D35 J2 8 1N4004 D24 LED3 J2 7 1N4004 D26 50V .022 C18 1N4004 D18 2.21K R27 1K CW R38 77 74 75 SW.
G-7 ELECTRICAL DIAGRAMS IDEALARC DC1000 Firing PC Board (G1486-5 and above) Schematic G-7 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC R.
G-8 ELECTRICAL DIAGRAMS IDEALARC DC1000 Output Snubber (M14312) Schematic 600V .05 C7 600V .05 C8 160J 320V TP7 160J 320V TP8 NEG 1 POS 1 WELDER HAVING A COMMON CODE.
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