Lincoln-electric IM556 AC-235 User Manual

AC-235WELDING POWER SOURCEbyIM556May, 2004Contents PageSafety Precautions ...

– 10 –How To Use Parts List1. Refer to the drawing below.2. Find the part on the drawing.3. Using the item number from the drawing find the part name

–11 –LEARNING TO WELDNo one can learn to weld simply by reading about it. Skillcomes only with practice. The following pages will helpthe inexperience

– 12 –FIGURE 2—The welding arc.The function of the covered electrode is much more thansimply to carry current to the arc. The electrode is com-posed o

– 13 –4. The Correct Welding SpeedThe important thing to watch while welding is the puddleof molten metal right behind the arc. Do NOT watch thearc it

– 14 –Tack the plates at both ends, otherwise the heat will causethe plates to move apart. (See drawing):Now weld the two plates together. Weld from l

–15 –nique has to be followed:1. Use 1/8" (3.2mm) at 90-105 amps or 3/32" (2.4mm) at60 amps Fleetweld® 180 electrode.2. When welding, the el

– 16 –Welding Sheet MetalWelding sheet metal presents an additional problem. Thethinness of the metal makes it very easy to burn through.Follow these

–17 –NOTE: The quenching of the roller (or idler) has anotherpurpose: It increases the hardness — and thus the servicelife — of the deposit.The hardfa

CAUTION: INSULATION IS REQUIRED IN THESE TWO AREAS. – 18 –If a lot of cutting is to be done,soak each electrode in waterfor a minute or t

– 19 –Use an arc welding headshield or hand shield with a No. 11or No. 12 lens. Oxyacetylene goggles are not sufficient eyeand face protection.When ad

– 2 –PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH. KEEP CHILDRENAWAY. PACEMAKER WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE O

–20 –Heating Heavy PartsHeavy metal can be heated more rapidly by connecting thework lead to the work so the arc is between the carbons andthe work as

– 21 –If the part being brazed does not get hot enough, increasethe current or hold the torch closer to the work. Wheneverpossible, have the joint hor

– 22 –MotionsManipulation depends on the joint. Some of the commonmotions are shown above.Motion “A” is a straight whipping motion used with fast-free

– 23–ElectrodeConforms to Test Polarity Sizes and Current Ranges (Amps.)Coating Requirements of Electrode(+) = “Reverse”Color AWS Class Brand Name(–)

– 24 –

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicREAD AND UNDERSTAND THE MANUFACTURER’S INSTRUC

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicLEIA E COMPREENDA AS INSTRUÇÕES DO FABRICANTE

• Sales and Service through Subsidiaries and Distributors Worldwide •Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB

– 3 –FOR ELECTRICALLYpowered equipment.6.a. Turn off input power using the disconnectswitch at the fuse box before working onthe equipment.6.b. Instal

– 4 –SAFETYMar. ‘93ELECTRIC AND MAGNETICFIELDSmay be dangerous8.a. Electric current flowing through any conductor causes localized Electric and Magnet

PRÉCAUTIONS DE SÛRETÉPour votre propre protection lire et observer toutes les instructionset les précautions de sûreté specifiques qui parraissent dan

– 6 –Thank Youfor selecting a QUALITY product by Lincoln Electric. We want youto take pride in operating this Lincoln Electric Company product •••as m

– 7 –OPERATING INSTRUCTIONSInput Power and Grounding ConnectionsBefore starting the installation, check with the power com-pany to be sure your power

– 8 –6. Slide handle into position and secure by turning the lock-ing screw in until it is tight. The threaded end of thescrew will then pass against

–9 –NOTES