Lincoln Electric IM692 User Manual

Page 1
Safety Depends on You
RETURN TO MAIN MENU
Lincoln arc welding equipment is designed and built with safety in mind. However, your overall safety can be increased by proper instal­lation ... and thoughtful 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.
MULTI-SOURCE
For use with machines Code 10668
%
OUTPUT
OUTPUT
THERMAL
FAN
POWER
MULTI - SOURCE
!
ON
WARN
IN
G
OFF
IM692
October, 2000
MULTI-SOURCE
Date of Purchase: Serial Number: Code Number: Model: Where Purchased:
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
OPERATOR’S MANUAL
Copyright © 2000 Lincoln Global Inc.
• World's Leader in Welding and Cutting Products •
• Sales and Service through Subsidiaries and Distributors Worldwide •
Page 2
i
SAFETY
i
WARNING
CALIFORNIA PROPOSITION 65 WARNINGS
Diesel engine exhaust and some of its constituents are known to the State of California to cause can­cer, birth defects, and other reproductive harm.
The Above For Diesel Engines
ARC WELDING CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH. KEEP CHILDREN AWAY. PACEMAKER WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING.
Read and understand the following safety highlights. For additional safety information, it is strongly recommended that you purchase a copy of “Safety in Welding & Cutting - ANSI Standard Z49.1” from the American Welding Society, P.O. Box 351040, Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199.
BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS.
The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
The Above For Gasoline Engines
FOR ENGINE powered equipment.
1.a. Turn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running.
____________________________________________________
1.b. Operate engines in open, well-ventilated areas or vent the engine exhaust fumes outdoors.
____________________________________________________
1.c. Do not add the fuel near an open flame welding arc or when the engine is running. Stop the engine and allow it to cool before refueling to prevent spilled fuel from vaporiz­ing on contact with hot engine parts and igniting. Do not spill fuel when filling tank. If fuel is spilled, wipe it up and do not start engine until fumes have been eliminated.
____________________________________________________
1.d. Keep all equipment safety guards, covers and devices in position and in good repair.Keep hands, hair, clothing and tools away from V-belts, gears, fans and all other moving parts when starting, operating or repairing equipment.
____________________________________________________
1.e. In some cases it may be necessary to remove safety
guards to perform required maintenance. Remove guards only when necessary and replace them when the maintenance requiring their removal is complete. Always use the greatest care when working near moving parts.
___________________________________________________
1.f. Do not put your hands near the engine fan. Do not attempt to override the governor or idler by pushing on the throttle control rods while the engine is running.
1.h. To avoid scalding, do not remove the radiator pressure cap when the engine is hot.
ELECTRIC AND MAGNETIC FIELDS may be dangerous
2.a. Electric current flowing through any conductor causes localized Electric and Magnetic Fields (EMF). Welding current creates EMF fields around welding cables and welding machines
2.b. EMF fields may interfere with some pacemakers, and welders having a pacemaker should consult their physician before welding.
2.c. Exposure to EMF fields in welding may have other health effects which are now not known.
2.d. All welders should use the following procedures in order to minimize exposure to EMF fields from the welding circuit:
2.d.1.
Route the electrode and work cables together - Secure them with tape when possible.
2.d.2. Never coil the electrode lead around your body.
2.d.3. Do not place your body between the electrode and
work cables. If the electrode cable is on your right side, the work cable should also be on your right side.
___________________________________________________
1.g. To prevent accidentally starting gasoline engines while turning the engine or welding generator during maintenance work, disconnect the spark plug wires, distributor cap or magneto wire as appropriate.
2.d.4. Connect the work cable to the workpiece as close as possible to the area being welded.
2.d.5. Do not work next to welding power source.
Mar ‘95
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ii
SAFETY
ii
ELECTRIC SHOCK can kill.
3.a. The electrode and work (or ground) circuits are electrically “hot” when the welder is on. Do not touch these “hot” parts with your bare skin or wet clothing. Wear dry, hole-free
gloves to insulate hands.
3.b. Insulate yourself from work and ground using dry insulation. Make certain the insulation is large enough to cover your full area of physical contact with work and ground.
In addition to the normal safety precautions, if welding must be performed under electrically hazardous conditions (in damp locations or while wearing wet clothing; on metal structures such as floors, gratings or scaffolds; when in cramped positions such as sitting, kneeling or lying, if there is a high risk of unavoidable or accidental contact with the workpiece or ground) use the following equipment:
• Semiautomatic DC Constant Voltage (Wire) Welder.
• DC Manual (Stick) Welder.
• AC Welder with Reduced Voltage Control.
3.c. In semiautomatic or automatic wire welding, the electrode, electrode reel, welding head, nozzle or semiautomatic welding gun are also electrically “hot”.
3.d. Always be sure the work cable makes a good electrical connection with the metal being welded. The connection should be as close as possible to the area being welded.
3.e. Ground the work or metal to be welded to a good electrical (earth) ground.
ARC RAYS 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. Headshield and filter lens should conform to ANSI Z87. I standards.
4.b. Use suitable clothing made from durable flame-resistant material to protect your skin and that of your helpers from the arc rays.
4.c. Protect other nearby personnel with suitable, non-flammable screening and/or warn them not to watch the arc nor expose themselves to the arc rays or to hot spatter or metal.
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. Use enough ventilation and/or exhaust at the arc to keep
fumes and gases away from the breathing zone. When
welding with electrodes which require special ventilation such as stainless or hard facing (see instructions on container or MSDS) or on lead or cadmium plated steel and other metals or coatings which produce highly toxic fumes, keep exposure as low as possible and below Threshold Limit Values (TLV) using local exhaust or mechanical ventilation. In confined spaces or in some circumstances, outdoors, a respirator may be required. Additional precautions are also required when welding on galvanized steel.
3.f.
Maintain the electrode holder, work clamp, welding cable and welding machine in good, safe operating condition. Replace damaged insulation.
3.g. Never dip the electrode in water for cooling.
3.h. Never simultaneously touch electrically “hot” parts of electrode holders connected to two welders because voltage between the two can be the total of the open circuit voltage of both welders.
3.i. When working above floor level, use a safety belt to protect yourself from a fall should you get a shock.
3.j. Also see Items 6.c. and 8.
5.b.
Do not weld in locations near chlorinated hydrocarbon coming from degreasing, cleaning or spraying operations. The heat and rays of the arc can react with solvent vapors form phosgene, a highly toxic gas, and other irritating prod­ucts.
5.c. Shielding gases used for arc welding can displace air and cause injury or death. Always use enough ventilation, especially in confined areas, to insure breathing air is safe.
5.d. Read and understand the manufacturer’s instructions for this
equipment and the consumables to be used, including the material safety data sheet (MSDS) and follow your employer’s safety practices. MSDS forms are available from your welding distributor or from the manufacturer.
5.e. Also see item 1.b.
vapors
Mar ‘95
to
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iii
SAFETY
iii
WELDING SPARKS can cause fire or explosion.
6.a.
Remove fire hazards from the welding area.
If this is not possible, cover them to prevent
the welding sparks from starting a fire.
materials from welding can easily go through small cracks and openings to adjacent areas. Avoid welding near hydraulic lines. Have a fire extinguisher readily available.
6.b. Where compressed gases are to be used at the job site, special precautions should be used to prevent hazardous situations. Refer to “Safety in Welding and Cutting” (ANSI Standard Z49.1) and the operating information for the equipment being used.
6.c. When not welding, make certain no part of the electrode circuit is touching the work or ground. Accidental contact can cause overheating and create a fire hazard.
6.d. Do not heat, cut or weld tanks, drums or containers until the proper steps have been taken to insure that such procedures will not cause flammable or toxic vapors from substances inside. They can cause an explosion even been “cleaned”. For information, purchase “Recommended Safe Practices for the Containers and Piping That Have Held Hazardous Substances”, AWS F4.1 from the American Welding Society
(see address above).
6.e. Vent hollow castings or containers before heating, cutting or welding. They may explode.
Sparks and spatter are thrown from the welding arc. Wear oil
6.f. free protective garments such as leather gloves, heavy shirt, cuffless trousers, high shoes and a cap over your hair. Wear ear plugs when welding out of position or in confined places. Always wear safety glasses with side shields when in a welding area.
6.g. Connect the work cable to the work as close to the welding area as practical. Work cables connected to the building framework or other locations away from the welding area increase the possibility of the welding current passing through lifting chains, crane cables or other alternate cir­cuits. This can create fire hazards or overheat lifting chains or cables until they fail.
6.h. Also see item 1.c.
Remember that welding sparks and hot
though
they have
Preparation
for Welding and Cutting of
CYLINDER may explode if damaged.
7.a. Use only compressed gas cylinders containing the correct shielding gas for the process used and properly operating regulators designed for the gas and
pressure used. All hoses, fittings, etc. should be suitable for the application and maintained in good condition.
7.b. Always keep cylinders in an upright position securely chained to an undercarriage or fixed support.
7.c. Cylinders should be located:
• Away from areas where they may be struck or subjected to
physical damage.
• A safe distance from arc welding or cutting operations and
any other source of heat, sparks, or flame.
7.d. Never allow the electrode, electrode holder or any other electrically “hot” parts to touch a cylinder.
7.e. Keep your head and face away from the cylinder valve outlet when opening the cylinder valve.
7.f. Valve protection caps should always be in place and hand tight except when the cylinder is in use or connected for use.
7.g. Read and follow the instructions on compressed gas cylinders, associated equipment, and CGA publication P-l, “Precautions for Safe Handling of Compressed Gases in Cylinders,” available from the Compressed Gas Association 1235 Jefferson Davis Highway, Arlington, VA 22202.
FOR ELECTRICALLY 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.
8.c. Ground the equipment in accordance with the U.S. National Electrical Code and the manufacturer’s recommendations.
Mar ‘95
Page 5
iv
SAFETY
iv
PRÉCAUTIONS DE SÛRETÉ
Pour votre propre protection lire et observer toutes les instructions 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. Protegez-vous contre la secousse électrique:
a. Les circuits à l’électrode et à la piéce sont sous tension
quand la machine à souder est en marche. Eviter toujours tout contact entre les parties sous tension et la peau nue ou les vétements mouillés. Porter des gants secs et sans trous pour isoler les mains.
b. Faire trés attention de bien s’isoler de la masse quand on
soude dans des endroits humides, ou sur un plancher metallique ou des grilles metalliques, principalement dans les positions assis ou couché pour lesquelles une grande partie du corps peut être en contact avec la masse.
c. Maintenir le porte-électrode, la pince de masse, le câble
de soudage et la machine à souder en bon et sûr état defonctionnement.
d.Ne jamais plonger le porte-électrode dans l’eau pour le
refroidir.
e. Ne jamais toucher simultanément les parties sous tension
des porte-électrodes connectés à deux machines à souder parce que la tension entre les deux pinces peut être le total de la tension à vide des deux machines.
f. Si on utilise la machine à souder comme une source de
courant pour soudage semi-automatique, ces precautions pour le porte-électrode s’applicuent aussi au pistolet de soudage.
zones où l’on pique le laitier.
6. Eloigner les matériaux inflammables ou les recouvrir afin de prévenir tout risque d’incendie dû aux étincelles.
7. Quand on ne soude pas, poser la pince à une endroit isolé de la masse. Un court-circuit accidental peut provoquer un échauffement et un risque d’incendie.
8. S’assurer que la masse est connectée le plus prés possible de la zone de travail qu’il est pratique de le faire. Si on place la masse sur la charpente de la construction ou d’autres endroits éloignés de la zone de travail, on augmente le risque de voir passer le courant de soudage par les chaines de lev­age, câbles de grue, ou autres circuits. Cela peut provoquer des risques d’incendie ou d’echauffement des chaines et des câbles jusqu’à ce qu’ils se rompent.
9. Assurer une ventilation suffisante dans la zone de soudage. Ceci est particuliérement important pour le soudage de tôles galvanisées plombées, ou cadmiées ou tout autre métal qui produit des fumeés toxiques.
10. Ne pas souder en présence de vapeurs de chlore provenant d’opérations de dégraissage, nettoyage ou pistolage. La chaleur ou les rayons de l’arc peuvent réagir avec les vapeurs du solvant pour produire du phosgéne (gas fortement toxique) ou autres produits irritants.
11. Pour obtenir de plus amples renseignements sur la sûreté, voir le code “Code for safety in welding and cutting” CSA Standard W 117.2-1974.
2. Dans le cas de travail au dessus du niveau du sol, se protéger contre les chutes dans le cas ou on recoit un choc. Ne jamais enrouler le câble-électrode autour de n’importe quelle partie du corps.
3. Un coup d’arc peut être plus sévère qu’un coup de soliel, donc:
a. Utiliser un bon masque avec un verre filtrant approprié
ainsi qu’un verre blanc afin de se protéger les yeux du ray­onnement de l’arc et des projections quand on soude ou quand on regarde l’arc.
b. Porter des vêtements convenables afin de protéger la
peau de soudeur et des aides contre le rayonnement de l‘arc.
c. Protéger l’autre personnel travaillant à proximité au
soudage à l’aide d’écrans appropriés et non-inflammables.
4. Des gouttes de laitier en fusion sont émises de l’arc de soudage. Se protéger avec des vêtements de protection libres de l’huile, tels que les gants en cuir, chemise épaisse, pan­talons sans revers, et chaussures montantes.
5. Toujours porter des lunettes de sécurité dans la zone de soudage. Utiliser des lunettes avec écrans lateraux dans les
PRÉCAUTIONS DE SÛRETÉ POUR LES MACHINES À SOUDER À TRANSFORMATEUR ET À REDRESSEUR
1. Relier à la terre le chassis du poste conformement au code de l’électricité et aux recommendations du fabricant. Le dispositif de montage ou la piece à souder doit être branché à une bonne mise à la terre.
2. Autant que possible, I’installation et l’entretien du poste seront effectués par un électricien qualifié.
3. Avant de faires des travaux à l’interieur de poste, la debranch­er à l’interrupteur à la boite de fusibles.
4. Garder tous les couvercles et dispositifs de sûreté à leur place.
Mar. ‘93
Page 6
for selecting a QUALITY product by Lincoln Electric. We want you
Thank You
to take pride in operating this Lincoln Electric Company product
••• 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 is received.
Please record your equipment identification information below for future reference. This information can be found on your machine nameplate.
Model Name & Number _____________________________________
Code & Serial Number _____________________________________
Date of Purchase _____________________________________
Whenever you request replacement parts for or information on this equipment always supply the information you have recorded above.
vv
Read this Operators Manual completely before attempting to use this equipment. Save this manual and keep it
handy for quick reference. Pay particular attention to the safety instructions we have provided for your protection. The level of seriousness to be applied to each is explained below:
WARNING
This statement appears where the information must be followed exactly to avoid serious personal injury or loss of life.
CAUTION
This statement appears where the information must be followed to avoid minor personal injury or damage to this equipment.
Page 7
TABLE OF CONTENTS
Page
Installation.......................................................................................................................Section A
Technical Specifications.......................................................................................................A-1
Installation Instructions.........................................................................................................A-2
Location ...............................................................................................................................A-2
Stacking................................................................................................................................A-2
Input and Grounding Connections........................................................................................A-2
Output Cable, Connections and Limitations .........................................................................A-3
Recommended Equipment and Processes ..........................................................................A-3
Multi-Source ..................................................................................................................A-3
Recommended Equipment / Interface........................................................................A-3
Equipment Limitations................................................................................................A-3
Distribution Box .............................................................................................................A-3
“Pig Tail ”Leads and Connections .................................................................................A-3
Operation.........................................................................................................................Section B
Additional Safety Precautions .............................................................................................B-1
General Description..............................................................................................................B-1
Design Features-All Models .................................................................................................B-1
Specifications, Design Features and Advantages.........................................................B-1
Accessories.....................................................................................................Section C
Factory Installed Options / Accessories ................................................................C-1
Field Installed Options / Accessories
............................................................................
C-1
vi
Maintenance.....................................................................................................Section D
Safety Precautions ................................................................................................D-1
Routine and Periodic Maintenance........................................................................D-1
Machine Calibration Specification .........................................................................D-1
Troubleshooting..............................................................................................Section E
Safety Precautions.................................................................................................E-1
How to Use Troubleshooting Guide.......................................................................E-1
Troubleshooting Guide...................................................................................E-2, E-3
PC Board Troubleshooting Guide-P.C. Board ...............................................E-4, E-5
Wiring Diagram.............................................................................................Section F-1
Dimension Print............................................................................................Section F-2
Parts Lists ....................................................................................................P367 Series
Page 8
A-1
INSTALLATION
TECHNICAL SPECIFICATIONS - Multi-Source K1752-1
INPUT - THREE PHASE ONLY
Standard Voltage/Frequency
380/415/50
400/60 440/50 460/60 550/50 575/60
RATED OUTPUT
Input Current at Rated Output
60 Hz-40 kW
A-1
100% Duty Cycle
99A 98A 79A 83A 66A 69A
INPUT
VOLTAGE
380-415
460 575
Amps
Duty Cycle
100% Duty Cycle
@ 50°C (122°F)
533
50 Hz-36 kW
Amps
475
CURRENT RANGE OCV
Maximum Open Circuit Voltage
0-650 A
80V
RECOMMENDED INPUT WIRE AND FUSE SIZES
HERTZ
50 60 60
INPUT
AMPERE
RATING
99 83 69
TYPE 75°C
COPPER
WIRE IN
CONDUIT
AWG(IEC-MM2)
SIZES 50°C
(122°F) Ambient
1/0 (70)
2 (35) 3 (35)
TYPE 90°C
COPPER
WIRE IN
CONDUIT
AWG(IEC-MM2)
SIZES 50°C
(122°F) Ambient
2 (35) 3 (35) 4 (25)
TYPE 75°C
CONDUIT
AWG(IEC-MM2)
SIZES 40°C
(104°F) Ambient
COPPER
WIRE IN
2 (35) 3 (35) 4 (25)
TYPE 90°C
COPPER
WIRE IN
CONDUIT
AWG(IEC-MM2)
SIZES 40°C
(104°F) Ambient
3 (35) 4 (25) 4 (25)
Volts at Rated Amperes
75
Volts at Rated Amperes
75.8
TYPE
75°C
GROUND
WIRE IN
CONDUIT
AWG(IEC-
MM2) SIZES
6 (16) 6 (16) 8 (10)
FUSE
(SUPER
LAG)
OR
BREAKER
SIZE
(AMPS)
150 Amp 125 Amp 100 Amp
PHYSICAL DIMENSIONS
HEIGHT
30.8 in
781 mm
WIDTH
22.2in
565 mm
TEMPERATURE RANGES
OPERATING TEMPERATURE RANGE
-40 to +122ºF
-40 to +50ºC
MULTI-SOURCE
DEPTH
41 in
1040 mm
STORAGE TEMPERATURE RANGE
-40 to +185ºF
-40 to +85ºC
NET WEIGHT
992 lbs.
450.5 kg.
Page 9
A-2
INSTALLATION
A-2
WARNING
ELECTRIC SHOCK can kill.
• Have an electrician install and service this equipment.
• Turn the input power off at the fuse box before working on equipment.
• Do not touch electrically hot parts.
The Multi-Source power supply should not be used
if the green Safe Output light is not lit. The machine is designed to open its input contactor if output volt­age peaks exceed the limits set by certain approval agencies. If the Safe Output light is on, the output voltage is within it designed operating range.
-------------------------------------------------------------------
LOCATION
Place the power supply where clean cooling air can freely circulate in through the front louvers and out through the rear louvers. Dirt, dust or any foreign material that can be drawn into the welder should be kept at a minimum. Failure to observe these precau­tions can result in excessive operating temperatures and nuisance shut-downs.
STACKING
WARNING
FALLING EQUIPMENT can cause
injury.
• Two Multi-Source machines can be stacked.
• Lift only with equipment of adequate lifting capacity.
• Be sure machine is stable when lifting.
• Do not stack more than two high.
• Do not stack the Multi-Source on top of any other machine.
---------------------------------------------------------------------
• Follow these guidelines when stacking:
INPUT AND GROUNDING CONNETIONS
Note: A qualified electrician should connect the
input power supply leads.
Input conductor is brought into the machine input box area through a hole in the rear panel sized to accom­modate 2" (trade size) conduit and fittings. This is more than adequate for the largest conductors required.
Conductors must be lugged to attach to the three 3/8" studs on the input reconnect panel and the 5/16" ground stud marked with the symbol . The input voltage supplied determines the position required for the reconnect panel jumper. The three ranges on the standard machine are 380-415, 440-460 and 550-575. The machine is rated for 50 and 60 Hz operation. See the Input Connection Diagram located on the inside of Case Back Input Access Door.
The conductor and fuse sizes in the Technical Specification Section (A-1), are per the 1999 National Electrical Code. The sizes are in American Wire Gauge (and the next largest standard metric size in
mm2). National and local codes must be consulted before connecting a machine.
Protect the input circuit with the super lag fuses or delay type circuit breakers listed in the Technical Specification Section (A-1). (They are also called inverse time or thermal / magnetic circuit breakers.)
Use of fuses or circuit breakers with a lower amp rat­ing than recommended can result in nuisance tripping caused by inrush current even when machine is not being used for welding at high output currents.
Machines may be paralleled for increased output. The S20428 Paralleling Kit permits paralleling of two Multi-Source power supplies for supplying currents of up to 1000 amps, 100% duty cycle.
1. Select a firm, level surface capable of supporting the total weight of up to two machines (1984 pounds/901kilograms).
2. Set the bottom machine in place.
3. Stack the second machine on top of it by aligning the two holes in the base rails on the second machine with the two pins on top at the front of the bottom machine.
Note: The machines must be stacked with the Case
Front of each machine flush with each other.
MULTI-SOURCE
Page 10
A-3
INSTALLATION
OUTPUT CABLES, CONNECTIONS AND LIMITATIONS
The Multi-Source has two parallel connected output studs for positive and negative connections. Each one is rated to carry the full output current. For its maxi­mum rated current at 100% duty cycle a minimum size of 4/0 AWG is recommended.
Connection of Electrode and Work Leads to Output terminals.
1. Set the POWER ON/OFF Toggle Switch to OFF.
2. Raise the hinged cover protecting the output termi­nals.
3. Insert the electrode lead up through the elliptical hole in the machine base below the positive output terminal. Pull through enough cable to reach the output terminal.
4. Connect electrode lead to the terminal .
5. Tighten the output terminal nut with a wrench.
6. Connect the work lead to the negative output termi­nal following steps 3-5.
7. Lower the cover to protect the output terminals.
RECOMMENDED EQUIPMENT AND PROCESSES
The only recommended use for the Multi-Source is to power the Multi-Weld welders. It is conceivable that the machine could be used as a constant voltage DC power supply up to its rating of 40,000 watts (36,000 watts on 50Hz) output. Its output is stable with a wide range of inductive, resistive and capacitive loads but each application would have to be tested. The output is peak voltage regulated and at light resistive loads (maximum ripple) the average voltage deviates from peak voltage the most.
MULTI-SOURCE
The Multi-Source 40kW (36kW on 50Hz) 80VDC buss power source (K1752-1) is recommended for use in the Multi-Weld system. The number of Multi-Weld Converters that may be connected to a single Multi­Source Power Source is determined by the following formula:
Power Source (Volts x Amps) capacity > 1.1 x Sum
of Converters’ (Volts x Amps) arcs
A-3
RECOMMENDED EQUIPMENT / INTERFACE
The Multi-Weld 350 (K1752-1) is the recommended means by which to control the Multi-Source power supply. Connections between Multi-Source and Multi­Weld may be easily made using Twist-Mate male and female connectors and the K1736-1 Distribution Box. The Multi-Weld 350 has multi-process capability and may be used manual and semi-automatic processes. When a wire feeder is required an LN-25 (K449) is recommended.
EQUIPMENT LIMITATIONS
The number of Multi-Weld 350s, the procedures used and the combined duty cycle of the arcs are only limit­ed by the 40,000 (36,000 watts on 50Hz) watt rating of the Multi-Source supply. The machine is IP-23S rated and is designed for outdoor applications.
DISTRIBUTION BOX
The Multi-Weld Distribution Box (K1736-1) is avail­able for interconnection of the Multi-System using the same "pig-tail" connection method provided with the Multi-Weld 350 converter. Six cable strain-relief ports are provided for connection of up to (12) cables for distribution or "daisy-chain" inter-connection to other boxes. Four "pig-tail" leads (see below) are included with the Box.
"PIG-TAIL" LEADS AND CONNECTORS
Accessory "pig-tail" leads and Twist-Mate connectors are available from Lincoln for extra connections to the Muli-Weld 350 or the Distribution Box:
Order No. Description:
CL012705 22in.(56cm) long 2/0 (70mm
with 0.5in.(13mm) hole lug and cut-off ends.
K852-70 Twist-Mate male insulated plug for
1/0-2/0 (50-70mm
K852-95 Twist-Mate male insulated plug for
2/0-3/0 (70-95mm
K1759-70 Twist-Mate female insulated recepta-
cle for 1/0-2/0 (50-70mm
K1759-95 Twist-Mate female insulated recepta-
cle for 2/0-3/0 (70-95mm
2
) cable.
2
) cable.
2
2
) cable.
2
) cable.
) cable
MULTI-SOURCE
Page 11
B-1
OPERATION
B-1
SAFETY PRECAUTIONS
WARNING
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts or electrode with skin or wet clothing.
• Insulate yourself from work and ground.
• Always wear dry insulating gloves.
------------------------------------------------------------------------
FUMES AND GASES can be danger­ous.
• Keep your head out of fumes.
• Use ventilation or exhaust to remove
fumes from breathing zone.
------------------------------------------------------------------------
WELDING SPARKS can cause fire or explosion.
• Keep flammable material away.
• Do not weld on closed containers.
------------------------------------------------------------------------
ARC RAYS can burn eyes and skin.
• Wear eye, ear and body protection.
Other indicator lights include the amber Thermal light that signals when the long term output current limit has been exceeded. This limit is determined by a ther­mostat sensing the temperature of the negative output lead from the secondary coils. The white Power light indicates when the Control board is energized. The three lights are high intensity LEDs for improved visi­bility in daylight.
The Output Power display uses high intensity LEDs to indicate the percentage of full rated output the machine is supplying.
Two additional thermostats protect the machine in the case of fan failure or blocked air flow. The SCR heat sink thermostat responds first to loss of air flow at nor­mal output loads. This thermostat will disable the machine output. The transformer iron rear thermostat senses that the lamination (and thus the coil insula­tion) is over heating (which can happen even if the output is disabled). This thermostat will interrupt power to the Control board causing the input contactor to open until the iron cools.
The only user controls are an on-off toggle Power switch that energizes the machine and a 10 A circuit breaker protecting the fan auxiliary against short cir­cuits.
------------------------------------------------------------
See additional warning information at
front of this operator’s manual.
-----------------------------------------------------------
GENERAL DESCRIPTION
The Multi-Source is designed to supply power to the Multi-Weld welders. It has a wide range three phase AC input and can be operated on 50 or 60 Hz. The Multi-Source output peak voltage regulates against wide changes in output loading and input line voltage variations to supply a consistently stable voltage high enough to allow the Multi-Welds to provide good man­ual electrode capability.
Primary input voltage taps are selected by a single movable link on the reconnect panel. Main trans­former auxiliary windings power the firing circuit and fan motor. The control auxiliary transformer has a sin­gle, wide range primary and is not reconnectable.
The Fan As Needed feature is activated by an output current of 20 Adc or a thermostat on the main trans­former iron.
DESIGN FEATURES - ALL MODELS
SPECIFICATIONS, DESIGN FEATURES AND ADVANTAGES
Case parts are predominantly stainless steel, the PC boards are potted in trays, the controls are sealed, all machine coils are copper and the whole transformer is varnish dipped to maximize environmental withstand capability. The coils are all conservatively rated for long life.
The Multi-Source output regulates against wide changes in output loading and input line voltage varia­tions to supply a consistently stable voltage high enough to allow the Multi-Welds to provide good man­ual electrode capability.
An independent safety circuit on the Control board monitors the voltage peaks and opens the input con­tactor if the limit is exceeded. The green Safe Output light indicates when the machine output voltage is within the safe operating range.
MULTI-SOURCE
Page 12
C-1
ACCESSORIES
C-1
FACTORY INSTALLED OPTIONS / ACCESSORIES
There are no factory installed options.
FIELD INSTALLED OPTIONS / ACCESSORIES
K1735-1 Multi-Weld 350, Multi-process controller.
K857, K857-1 Remote Control, Control Multi-Weld
remotely (25 or 100 ft.).
K1736-1 Distribution Box, Connects up to 10 Multi-
Welds.
K449 LN-25, Across the arc wire feeder.
K1788-1 Roll Cage, Protect power source, facilitate
moving, store cable.
K1806-1 Multi-Weld Four Pack, Mounting / lift rack
for M-S and four M-Ws.
K1807-1 Multi-Weld Eight Pack, Mounting / lift rack
for M-S and eight M-Ws.
S20428 Paralleling Kit, Allows two machines to
equally share double load.
MULTI-SOURCE
Page 13
D-1
MAINTENANCE
D-1
SAFETY PRECAUTIONS
WARNING
Have qualified personnel do the maintenance work. Always use the greatest care when working near moving parts.
If a problem cannot be corrected by following the instructions, take the machine to the nearest Lincoln Field Service Shop.
-----------------------------------------------------------------------
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts or electrode with skin or wet clothing.
• Insulate yourself from work and
ground.
• Always wear dry insulating gloves.
--------------------------------------------------------------------
EXPLODING PARTS can cause injury.
Failed parts can explode or cause other parts to explode when power is applied.
Always wear a face shield and long sleeves when servicing.
-------------------------------------------------------------------
See additional warning information throughout this operator’s manual.
----------------------------------------------------------
MACHINE CALIBRATION SPECIFICATION
The Multi-Source digital display is controlled by a cur­rent sensing circuit on the Control board. The display reads 100 when machine output is a little over 40 kW. To recalibrate the display, the machine output may loaded with Multi-Weld welders or resistive grids or a combination of both to obtain an output of 533 Adc as read by a calibrated standard ammeter. Trimmer resistor R49 may be adjusted to cause the display to
read 100.
ROUTINE MAINTENANCE
The Multi-Source needs no routine maintenance. The fan bearings are sealed units.
PERIODIC MAINTENANCE
Periodically the machine may be cleaned with low pressure compressed air to insure that all cooling pas­sages are open and that conductive foreign material
has not built up inside.
MULTI-SOURCE
Page 14
E-1
TROUBLESHOOTING
HOW TO USE TROUBLESHOOTING GUIDE
WARNING
Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. 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 and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.
__________________________________________________________________________
E-1
This Troubleshooting Guide is provided to help you locate and repair possible machine malfunctions. Simply follow the three-step procedure listed below.
Step 1. LOCATE PROBLEM (SYMPTOM).
Look under the column labeled “PROBLEM (SYMP­TOMS)”. This column describes possible symptoms that the machine may exhibit. Find the listing that best describes the symptom that the machine is exhibiting.
Step 2. POSSIBLE CAUSE.
The second column labeled “POSSIBLE CAUSE” lists the obvious external possibilities that may contribute to the machine symptom.
Step 3. RECOMMENDED COURSE OF ACTION
This column provides a course of action for the Possible Cause, generally it states to contact your local Lincoln Authorized Field Service Facility.
If you do not understand or are unable to perform the Recommended Course of Action safely, contact your local Lincoln Authorized Field Service Facility.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
MULTI-SOURCE
Page 15
E-2
Observe all Safety Guidelines detailed throughout this manual
PROBLEMS
(SYMPTOMS)
TROUBLESHOOTING
POSSIBLE AREAS OF
MISADJUSTMENT(S)
E-2
RECOMMENDED
COURSE OF ACTION
Machine input contactor does not operate. (White Power light off)
(White Power light on)
Machine input contactor operates, but no output when trying to weld.
Machine does not have maximum output.
1. Supply line fuse is blown.
2. Contactor power circuit has an open lead.
3. Broken power lead.
4. T2 internal thermal breaker open
5. Defective POWER ON/OFF Switch (S1).
7. Control circuit diode bridge open
8.
Transformer iron rear thermostat open.
1. Open input contactor coil.
2. Defective Control Board.
3. Contactor moving iron binding.
1. Electrode or work lead loose or broken.
2. Open main transformer (T1) pri­mary or secondary circuit.
3. Firing P.C. board not connected or is faulty.
4. Firing board not getting enable signal.
1. One input fuse blown.
2. One phase of main transformer (T1) open.
3. Faulty Control or Firing P.C. boards.
4. Faulty SCR bridge.
5. Input voltage too low.
If all recommended possible areas of misadjustment have been checked and the problem persists,
Contact your local Lincoln Authorized Field Service Facility.
Machine has output only momentarily after contactor closes.Output returns momentarily every 75 seconds.
Machine has output only momen­tarily, contactor opens immediately after closing. (Green Safe Output light off)
Machine output doesn’t stay on. (Amber Thermal light on, fan run­ning, digital Output display reads greater than 100).
1. Machine has either an internal or external short circuit on the output.
2. Faulty Control PC board.
1. Output voltage peaks are too high because input voltage too high.
2. Output voltage peaks are too high because output filter circuit not working.
3. Output voltage peaks are too high because control circuit isn’t sensing output voltage.
4. Control board faulty.
5. Output SCR shorted.
1. Machine is overloaded.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
MULTI-SOURCE
Page 16
E-3
Observe all Safety Guidelines detailed throughout this manual
PROBLEMS
(SYMPTOMS)
TROUBLESHOOTING
POSSIBLE AREAS OF
MISADJUSTMENT(S)
E-3
RECOMMENDED
COURSE OF ACTION
Machine output doesn’t stay on. (Amber Thermal light on, fan run­ning, digital Output display never reads greater than 100)
Machine output doesn’t stay on. (Amber Thermal light on, fan not running, digital Output display never reads over 100)
Machine will not shut off.
1. Cooling air blocked or limited.
2. Faulty output lead thermostat, SCR heat sink thermostat or connecting leads.
3. Ambient cooling air too hot.
1. Faulty cooling fan or wiring.
2. Faulty wiring in shunt circuit. (Digital Output display reads near zero.)
3. Faulty Control board.
4. 115 Vac winding on main trans­former not providing voltage.
5. Fan circuit breaker on front con­trol panel is tripped.
1. Input contactor (CR1) contacts are frozen.
2. Defective POWER switch (S1).
If all recommended possible areas of misadjustment have been checked and the problem persists,
Contact your local Lincoln Authorized Field Service Facility.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
MULTI-SOURCE
Page 17
E-4
Observe all Safety Guidelines detailed throughout this manual
TROUBLESHOOTING
PC BOARD TROUBLESHOOTING GUIDE - FIRING P.C. BOARD
1. LEDs 1 through 9 must be lit when the Multi-Source is turned on and the Control board is sending an enable signal to the Firing board (pin 7 in P8 is low in reference to common at pin 12 in P5).
2. LEDs 7, 8, and 9 indicate AC power being supplied to the P.C. board from auxiliary windings on the main transformer (T1). If a LED is not on, turn the machine off and unplug P8 from the firing board. Turn the machine back on and check the following voltages:
3. If all voltages are present, turn power off, and plug P5 back into J5. Turn power back on. If LEDs 7, 8 or 9 are still not lit, replace Firing PCB.
4. If voltages were not present, check the circuit back through the external dropping resistors to the auxil­iary windings for a possible open resistor or wire.
E-4
5. LEDs 1 through 6 indicate gate signals are being sent to the main SCRs 1 through 6 respectively. If LED2 on the Control board is bright, along with LEDs 7, 8, and 9 on Firing board, and LEDs 1 through 6 are unequal in brightness, check to make sure lead 231 between Control board and Firing board is not broken. (If lead 231 is removed while the machine output is at open circuit, the output voltage peaks may be unregulated and cause the over-voltage protection circuit to open the input contactor. The over-voltage protection circuit may disabled by disconnecting lead 222D at the nega­tive output stud or at pin 1 of P2. NOTE: The machine may not be used for welding with the pro­tection circuit disabled.
6. If one or more of LEDs 1 through 6 are off, LEDs 7, 8, and 9 are on and the voltage on lead 231 from the Control board (pin 13, P5 to pin 12, P5) is 3 to 13Vdc replace the Firing PCB.
LED that was off
7
8
9
Check AC voltage between
P8 pins 2 & 1 (wires 283,284)
P8 pins 4 & 3 (wires 285,286)
P8 pins 6 & 5 (wires 287,288)
Voltage should be approximately
32Vac
32Vac
32Vac
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
MULTI-SOURCE
Page 18
E-5
TROUBLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
E-5
PC BOARD TROUBLESHOOTING GUIDE - CONTROL P.C. BOARD
1. The white Power light on the machine control panel indicates that the Control board power supply is being supplied by rectified secondary voltage from the Control transformer (T2) by way of the Power switch and transformer iron rear thermostat.
2. LED1 indicates machine output voltage. At normal output voltages, LED1 will be brightly lit.
3. LED2 indicates the level of the control signal to the Firing board. The brightness of LED2 is inversely proportional to machine output because the control signal increases as the machine output decreases.
4. LED3 lights when the current amplifier senses an output current over about 10 amps and sends a sig­nal to turn the cooling fan on. If LED3 is on but the fan is not , there could be a problem with the fan motor or the fan motor drive circuit (see LED6).
5. LED4 says that some signal, either thermostat, out­put current or output over-current is calling for the fan to operate.
7. LED6 indicates that the input to the fan motor opto triac driver has been energized. LED6 should be on as long as the fan motor runs. LED6 and the fan motor will be on for about 5 minutes after LED4 goes off.
8. LED7 will light when the shorted SCR circuit acti­vates. A positive voltage on the negative output stud (AC instead of DC on the output studs) will activate a circuit causing the input contactor to open. This circuit is active only when the enable signal to the Firing board is high (the output is off). The contactor will remain open (and the white
Power light will remain on) until the Power switch is turned off (or the input power to the machine is oth­erwise removed) for about 1 second and then turned on again.
9. The green Safe Output light on the control panel when the machine output voltage is present and safe. It lights when the machine output is between 40 Vdc and 113 volts peak.
10. The yellow Thermal light on the front panel lights
when the open thermostat signal is sent to the fan control and output disable circuits.
6. LED5 tells us that the current signal from the shunt is too high. If LED5 is lit for 5-8 seconds, the enable signal to the Firing board is made high to shut off the output SCRs. In the case of a short duration current overload, LED5 may only be briefly lit because, in normal operation, the machine output immediately goes to zero. Once disabled, the out­put will remain off for about 75 seconds.
CAUTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
MULTI-SOURCE
Page 19
F-1
DIAGRAMS
252
10
260
11
264
253
CB1
1213141516
235
234
215B
233
232
10 A FAN
CONTROL PC BOARD
CIRCUIT
BREAKER
1
2
3
4
567
J7
J6
J4
1
5
6
PARALLELING
4
23 1
CONNECTIONS
1
234
G1
G2G3G4G5G6
234
284
286
283
285
288
287
1
2
8
34567 340
9
8
10
J8
J5
7
5
9
6
8
10
11
1213141516
215
231
FIRING PC BOARD
RESISTOR BANK
TO T1
AUXILIARIES
284
283
285
R4R5R6R7R8
R3
205
203
204
286
206
287
207
288
208
241
273
274
252
251
240
340
222D
P11
J11
M10
10
M9
89 7
M6 M5
56
M4
4
M3
3
M2 M1
DIGITAL OUTPUT METER
12
1
2
34567
263
231
202
J2
215A
230
8
341
8
J1
9
222A
M10
10
M9
9
M8
8
M7
7
M6 M5
56
J3
M4
4
M3
3
M2 M1
12
1234567
201
261
F-1
H-RW
L11414
MULTI-SOURCE WIRING DIAGRAM
INPUT SNUBBER
ASSEMBLY
274
CONTROL BOX
DIODE BRIDGE
+
AC
-
AC
273
297
S1
271
POWER SW ITCH
302
X1
H1
272
H2
X2
230
LED (W) (RIGHT)
LED (Y) (CENTER)
341
234
235
232
LED (G) (LEFT)
233
T2
253
FAN
REAR
TRANSFORMER
IRON
241
W
271
240
1CR
302
250
207
251
FRONT
TRANSFORMER
208
260
T1
3
205
206
6
9
L1
WORK
-
-
222A
222D
SECONDARY L EAD
263
IRON
261
12
222B
264
301
30
R1R2
222C
C3
820uF
TP1
C1
300W
+
500V
(BOTTOM)
292
293
G1
30
300W
(TOP)
R9
2
300W
TP2
C2
OUTPUT
BYPASS
G5
G3
SCR5
SCR3
ELECTRODE
+
+
294A
294B
50 mV@800 A
OUTPUT SHUNT
-+
202
201
215A
215
215B
G6
G4
SCR4 SCR6
G2
T1
V
T1
U
L2
2
1
TO
PRIMARY
10
11
12
W
H2
L3
204
203
5
8
11
4
7
10
TO
COILS
7
4
8
5
9
6
V
U
H1
L2
L1
3
POWER
550-575V CONNECTION
TO T1
TO T2
PRIMARY
COILS
87
54
11 10
9
12
V
W
H2
H1
L3
L2
TO T2
6
U
440-460V CONNECTION
L1
10
TO T1
11
12
W
L3
SCR1
264
301
8
1
5
1 4
1 3
1 2 1
16
9
10
6
8
5
6 4
CONNECTORS VIEWED FROM INSERTION END
ELECTRICAL SYMBOLS PER E1537
4 3
TO
PRIMARY
COILS
7
4
8
5
9
6
TO A SYST EM GROUND PER
NATIONAL ELECTRIC CODE
U
V
H2
L2
380-415V CONNECTION
H1
L1
G
SCR2
SCR
THERMOSTAT
CONTROL
BOX COVER
BRACKET
TRANSFORMER
BASE
PROTECTIVE BONDING CIRCUIT
WELDER
BOX
INPUT
MULTI-SOURCE
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside
the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code number..
Page 20
F-2
DIAGRAMS
F-2
A
M19588
40.96
3.16
20.69
27.59
MULTI-SOURCE DIMENSION PRINT
3.25
27.95
38.11
36.11
30.02
29.31
1.18
2.07
1.37
18.62
20.00
22.23
20.00
11.12
MULTI-SOURCE
Page 21
NOTES
Page 22
NOTES
Page 23
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and ask for bulletin ED-80 or call 216-383-2259 and ask
for the
Welding School Registrar.
Lincoln Welding School
BASIC COURSE $700.00
5 weeks of fundamentals
There is a 10% discount on all orders of $50.00 or more for shipment at one time to one location. Orders of $50 or less before discount or orders outside of North America must be prepaid with charge, check or money order in U.S. Funds Only. Prices include shipment by 4 th Class Book Rate for U.S.A. Mainland Only. Please allow up to 4 weeks for delivery. UPS Shipping for North America Only. All prepaid orders that request UPS shipment please add:
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_______________________________________________
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______________________
Lincoln Welding School Titles: Price Code Quantity Cost
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Seminar Information Procedure Handbook “Twelfth Edition” $15.00 PH
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(ED-93)
James F. Lincoln Arc Welding The American Century of John C. Lincoln $5.00 AC Foundation Book Information Welding Preheat Calculator $3.00 WC-8
(JFLF-515)
New Lessons in Arc Welding $5.00 L
How to Read Shop Drawings $4.50 H
A New Approach to Industrial Economics $5.00 NA
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SUB TOTAL
Additional Shipping Costs if any
TOTAL COST
Page 24
WARNING
Spanish
AVISO DE
PRECAUCION
Do not touch electrically live parts or
electrode with skin or wet clothing.
Insulate yourself from work and
ground.
No toque las partes o los electrodos
bajo carga con la piel o ropa moja­da.
Aislese del trabajo y de la tierra.
Keep flammable materials away.
Mantenga el material combustible
fuera del área de trabajo.
Wear eye, ear and body protection.
Protéjase los ojos, los oídos y el
cuerpo.
French
ATTENTION
German
WARNUNG
Portuguese
ATENÇÃO
Japanese
Chinese
Korean
Arabic
Ne laissez ni la peau ni des vête-
ments mouillés entrer en contact avec des pièces sous tension.
Isolez-vous du travail et de la terre.
Berühren Sie keine stromführenden
Teile oder Elektroden mit Ihrem Körper oder feuchter Kleidung!
Isolieren Sie sich von den
Elektroden und dem Erdboden!
Não toque partes elétricas e elec-
trodos com a pele ou roupa molha­da.
Isole-se da peça e terra.
Gardez à l’écart de tout matériel
inflammable.
Entfernen Sie brennbarres Material!
Mantenha inflamáveis bem guarda-
dos.
Protégez vos yeux, vos oreilles et
votre corps.
Tragen Sie Augen-, Ohren- und Kör-
perschutz!
Use proteção para a vista, ouvido e
corpo.
READ AND UNDERSTAND THE MANUFACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE USED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES.
SE RECOMIENDA LEER Y ENTENDER LAS INSTRUCCIONES DEL FABRICANTE PARA EL USO DE ESTE EQUIPO Y LOS CONSUMIBLES QUE VA A UTILIZAR, SIGA LAS MEDIDAS DE SEGURIDAD DE SU SUPERVISOR.
LISEZ ET COMPRENEZ LES INSTRUCTIONS DU FABRICANT EN CE QUI REGARDE CET EQUIPMENT ET LES PRODUITS A ETRE EMPLOYES ET SUIVEZ LES PROCEDURES DE SECURITE DE VOTRE EMPLOYEUR.
LESEN SIE UND BEFOLGEN SIE DIE BETRIEBSANLEITUNG DER ANLAGE UND DEN ELEKTRODENEINSATZ DES HER­STELLERS. DIE UNFALLVERHÜTUNGSVORSCHRIFTEN DES ARBEITGEBERS SIND EBENFALLS ZU BEACHTEN.
Page 25
Keep your head out of fumes.
Use ventilation or exhaust to
remove fumes from breathing zone.
Turn power off before servicing.
Do not operate with panel open or
guards off.
WARNING
Los humos fuera de la zona de res-
piración.
Mantenga la cabeza fuera de los
humos. Utilice ventilación o aspiración para gases.
Gardez la tête à l’écart des fumées.
Utilisez un ventilateur ou un aspira-
teur pour ôter les fumées des zones de travail.
Vermeiden Sie das Einatmen von
Schweibrauch!
Sorgen Sie für gute Be- und
Entlüftung des Arbeitsplatzes!
Mantenha seu rosto da fumaça.
Use ventilação e exhaustão para
remover fumo da zona respiratória.
Desconectar el cable de ali-
mentación de poder de la máquina antes de iniciar cualquier servicio.
Débranchez le courant avant l’entre-
tien.
Strom vor Wartungsarbeiten
abschalten! (Netzstrom völlig öff­nen; Maschine anhalten!)
Não opere com as tampas removidas.
Desligue a corrente antes de fazer
serviço.
Não toque as partes elétricas nuas.
No operar con panel abierto o
guardas quitadas.
N’opérez pas avec les panneaux
ouverts ou avec les dispositifs de protection enlevés.
Anlage nie ohne Schutzgehäuse
oder Innenschutzverkleidung in Betrieb setzen!
Mantenha-se afastado das partes
moventes.
Não opere com os paineis abertos
ou guardas removidas.
Spanish
AVISO DE
PRECAUCION
French
ATTENTION
German
WARNUNG
Portuguese
ATENÇÃO
Japanese
Chinese
Korean
Arabic
LEIA E COMPREENDA AS INSTRUÇÕES DO FABRICANTE PARA ESTE EQUIPAMENTO E AS PARTES DE USO, E SIGA AS PRÁTICAS DE SEGURANÇA DO EMPREGADOR.
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World's Leader in Welding and Cutting Products
Sales and Service through Subsidiaries and Distributors Worldwide
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
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