Lincoln Electric IM10024 manual Welding and Cutting Sparks can Cause fire or explosion, Iii

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SAFETY

iii

WELDING and CUTTING

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.

Remember that welding sparks and hot 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 though they have been “cleaned”. For information, purchase “Recommended Safe Practices for the Preparation for Welding and Cutting of 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.

6.f. Sparks and spatter are thrown from the welding arc. Wear oil 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 cir- cuits. This can create fire hazards or overheat lifting chains or cables until they fail.

6.h. Also see item 1.c.

6.I. Read and follow NFPA 51B “ Standard for Fire Prevention During Welding, Cutting and Other Hot Work”, available from NFPA, 1 Batterymarch Park, PO box 9101, Quincy, Ma 022690-9101.

6.j. Do not use a welding power source for pipe thawing.

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.

Refer to http://www.lincolnelectric.com/safety for additional safety information.

Jan ‘09

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Contents MAXsa 22 & 29 Wire Drives Safety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiLES Machines À Souder À Thank You Table of Contents MAXsa 22 & 29 Wire Drives 1PRODUCT DESCRIPTIONA-1DESIGNClosed-loopFEATURESspeedcontrol- .MAXsa General InformationInstallation Figure A.2 Location of MAXsa 29 ComponentsSpecifications Width DepthLocation and Mounting NON-STANDARD Safety InformationHigh Frequency Protection Mounting Dimensions System ConnectionsConfiguration Figure A.3Gear Ratio Conversion Kits See Wire Feed MechanismTable A.1 Drive Roll Kits Electrode Connections Remote Sense Lead SpecificationsTable A.1 Output Cable Guidelines K325 TC-3 Travel Carriage K325HC5-StoStandard70/min 127mm- 9521 toratio1.88M/mimInstallation Figure A.6 Wire Drive MountingInclined Operation of TC-3 Figure A.10 Inclined OperationDrive Gear Tracking Carriage Bearing TrackingHead Position Adjustments Maxsa 22 & 29 Wire DrivesOperation Starting TechniquesFigure B.1 Feed Head Adjustment Follow these steps AccessoriesSearch Connect the lug on the electrode cables from K226 Contact Assembly Model K226-TCurrent Ratings Long Stickout ExtensionK148 Nozzle Installation Loading of WireOperation K285 Installation to the K148 K285 Concentric Flux ConeK285 Installation with K149 Figure C.10 K285/K149 K285 installation with the K129K285 Used in Horizontal Fillet Applications With K148 or K148/K149 combination AfterWith the K129 Tiny Twin-Arc No zle After K285 in Deep Narrow Gap ApplicationsK29 Vertical Head Adjuster Adjustment and LockingK96 Horizontal Head Adjuster Installation See Figure C.14For .045 through 5/641.0-2.0mm Wires K129 Tiny Twinarc KITNozzle Installation Figure C.17K225 Submerged ARC Twinarc KIT Figure C.18 K225 Twinarc ComponentsNozzle Installation See Figure C.18 Figure C.20Wire Loading and Adjustment K281 Solid Wire Straightener forTiny Twinarc Electric Shock can kill MaintenanceSense Lead Fuse Troubleshooting HOW to USE Troubleshooting GuideOutput Problems Diagrams Dimension Print L13370Precaucion Warnung