Instruction/ maintenance manual of the product 553cc LG Electronics
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Be sure this information reaches the operator. You can get extra copies through your supplier. INSTRUCTION MANUAL F-15-591-A February, 2001 453cc & 553cc DC WELDING POWER SOURCES These INSTRUCTIONS are for experienced operators.
2 USER RESPONSIBILITY This equipment will perform in conformity with the description thereof contained in this manual and accompa- nying labels and/or inserts when installed, operated, maintained and repaired in accordance with the instruc- tions provided.
3 T ABLE OF CONTENTS SECTION P ARAGRAPH TITLE P AGE SAFETY ENGLISH SAFETY PRECAUTIONS ..................................................................................................... ........... 4, 5 FRENCH SAFETY PRECAUTIONS ....................
4 WARNING: T hese Safety Precautions are for your protection. They summarize precaution- ary information from the references listed in Additional Safety Information section.
5 FUMES AND GASES -- Fumes and gases, can cause discomfort or harm, particularly in confined spaces. Do not breathe fumes and gases. Shield- ing gases can cause asphyxiation. Therefore: 1. Always provide adequate ventilation in the work area by natural or mechanical means.
6 coupes à l’arc, à moins de les recouvrir complètement d’une bâche non-inflammable. Ce type de matériaux comprend notamment le bois, les vêtement s, la sciure, l’essence, le kérosène, les peintures, les solvants, le gaz naturel, l’acétylène, le propane et autres sub- stances combustibles semblables.
7 levage, des câbles de grue ou divers chemins électriques. g. Empêchez l’apparition de toute humidité, not amment sur vos vêtements, à la surface de l’emplacement de travail, des câbles, du porte-électrode et du poste de soudage/coupage. Rép arez immédiatement toute fuite d’eau.
8 1.1 GENERAL This manual has been prepared for use by an experi- enced operator. It provides information to familiarize the operator with the design, installation and operation of the 482cc and 582cc model power sources. DO NOT attempt to install or operate this equipment until you have read and fully understood these instructions.
9 1.3.2 Volt-Ampere Characteristics The curves shown in Figure 1-1 represent the volt- ampere static characteristics for the power source. These curves show the output voltage available at any given output current from the minimum to the maximum setting of the current control.
10 2.3 PRIMARY (INPUT) ELECTRICAL CONNEC- TION This power source is a three-phase unit and must be connected to a three-phase power supply. It is recom- mended that the unit be operated on a dedicated circuit to prevent impairment of performance due to an over- loaded circuit.
11 In p u t & GN D Fu s e Si z e Co nduct or* A m ps CU/ A W G 208 64 No. 6 90 220 61 No. 6 80 230 58 No. 6 80 482cc 400 33 No. 10 40 460 29 No . 10 40 575 23 No . 12 30 208 82 N o. 4 120 220 77 N o. 4 120 230 74 N o. 4 120 582cc 400 43 N o. 8 70 460 37 No.
12 SECTION 2 INST ALLA TION D. Check all connections for proper tightness. En- sure all connections are correct and well insu- lated. E. Figure 2-2 illustrates the input voltage terminal board and the input voltage link connections. The particular voltages from which this power source may be operated are stated on the rating plate.
13 Figure 2.3 CONTROL CONNECTIONS OUTPUT RECEPTACLE 2.4 SW POWER SWITCH 63A 600V CKT. BREAKERS, 10A 32VDC, 250VAC SECTION 2 INST ALLA TION + -.
14 Never operate the power source with the cover re moved. In addition to the safety hazards, lmproper cooling may cause damage to the components. Keep side panels closed when unit is energized. Welding helmet, gloves, and other personal protec- tion should always be worn when welding.
15 3.1.6 Over Temperature Indicator (Temp) This amber light will indicate when an internal overheat- ing condition has occurred and one of the thermal switches has opened. User control of the solid state contactor will be interrupted and power source output will shut down to protect critical components.
16 4.1 GENERAL If this power source does not operate properly, stop work immediately and investigate the cause of the malfunction. Maintenance work must be per- formed by an experienced person, and electrical work by a trained electrician. Do not permit un- trained persons to inspect, clean, or repair this power source.
17 5.1 GENERAL DISCONNECT primary power at wall switch, or circuit breaker, before attempting inspection or work inside the power source. If the power source is operating improperly, the follow- ing troubleshooting information may be used to locate the source of the trouble.
18 CO NDI T I O N A CT I O N Unit I noperat iv e A . No input power . Check main line (us er' s ) s wit ch f us es -- r eplace if needed. B. Poor or im proper input (t erm inal board) connec tions . C. Def ect iv e on / of f s wit ch on f r ont pane l - - replac e.
19 6.1 GENERAL Always provide the series or serial number of the unit on which the parts will be used. The serial number is stamped on the unit nameplate. 6.2 ORDERING To assure proper operation, it is recommended that only genuine ESAB parts and products be used with this equipment.
20 SECTION 6 REPLACEMENT P ARTS 453cc-553cc View 1 - Front.
21 SECTION 6 REPLACEMENT P ARTS 453cc-553cc View 2 - Top Panel.
22 SECTION 6 REPLACEMENT P A RTS 453cc-553cc View 3 - Angled Front.
23 SECTION 6 REPLACEMENT P ARTS 453cc-553cc View 4 - Rear.
24 SECTION 6 REPLACEMENT P A RTS 453cc-553cc View 5 - Internal Rear View.
25 SECTION 6 REPLACEMENT P ARTS 453cc-553cc View 6 - Internal Front View.
26 SECTION 6 REPLACEMENT P ARTS D-0558001568-A 453cc-553cc Schematic Diagram- 50/60 HZ NOTES: 1. REFER TO WIRING DIAGRAMS FOR ALL CONNECTION POINTS. 2. USE TYWRAPS 631507 (ITEM 41), 99511578 (ITEM 130), 180W66 (ITEM 145), 180W68 (ITEM 146). TO CONFINE LOOSE WIRE AS REQUIRED.
27 SECTION 6 REPLACEMENT P ARTS 453cc-553cc Wiring Diagram- Primary 3 PH D-0558001569.
28 SECTION 6 REPLACEMENT P ARTS 453cc-553cc Wiring Diagram Secondary - 50/60 HZ D-0558001570-A.
29 1 954838 1 LABEL SUBARC STICK 2 954839 1 LABEL MIG 3 836121 1 PCB DIGITAL METER PCB2 4 836173 1 BLADE FAN 14" 5 838127 1 PCB CONTROL PCB1 838128 1 CONTROL PCB 6 8634515 2 SW TGGL SPDT 2 POS 15A 125V S2,3 7 8672065 6 STRAP TERMINAL 8 8678025 2 TERM AY 9 8950122 2 CKT BREAKER 10A 32VDC 250VAC CB1,2 10 8950219 1 RELIEF STRAIN 2.
30 41 631507 AR TYWRAP MEDIUM 42 634220 2 TAB 43 647361 1 GND1 LUG TERMINAL 2-8 WIRE 1/4 STUD 44 672786 1 BOLT EYE .75-10 X 2.00 45 950167 1 GROMMET RUB 1.
31 SECTION 6 REPLACEMENT P ARTS Bill of Materials 453cc/553cc DC Welding Power Source ITEM PART OR NO. CODE NO. QTY. DESCRIPTION SYMBOL 133 99512240 1 LABEL CAUTION LIFT EYE 134 99512558 2 BRACKET RES.
F-15-591-A 2/2001 Printed in U.S.A. IF YOU DO NOT KNOW WHOM TO CALL Telephone: (800) ESAB-123/ Fax: (843) 664-4452/ Web:http://www.esab.com Hours: 7:30 AM to 5:00 PM EST A.
An important point after buying a device LG Electronics 553cc (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of LG Electronics 553cc, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime LG Electronics 553cc.
However, one of the most important roles played by the user manual is to help in solving problems with LG Electronics 553cc. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device LG Electronics 553cc along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
