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Airgas RED-D-ARC Welderentals GX 300 Operator's Manual

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RED-D-ARC
IM10047-E
April 2021
GX 300
(
11678, 11740, 11795, 11802, 12098, 12204, 13174
For use with machines having Code Numbers:
OPERATOR'S MANUAL
Red-D-Arc Spec-Built Welding Equipment
This RED-D-ARC welder is built to RED-D-ARC Extreme Duty
design specifications by Lincoln Electric.
Safety Depends on You
This welder 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.
The Global Leader in Welder Rentals

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Summary of Contents for Airgas RED-D-ARC Welderentals GX 300

  • Page 1 RED-D-ARC IM10047-E April 2021 GX 300 11678, 11740, 11795, 11802, 12098, 12204, 13174 For use with machines having Code Numbers: OPERATOR’S MANUAL Red-D-Arc Spec-Built Welding Equipment This RED-D-ARC welder is built to RED-D-ARC Extreme Duty design specifications by Lincoln Electric. Safety Depends on You This welder is designed and built with safety in mind.
  • Page 2 SAFETY WARNING CALIFORNIA PROPOSITION 65 WARNINGS Diesel engine exhaust and some of its constituents The engine exhaust from this product contains are known to the State of California to cause can- chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
  • Page 3 SAFETY ARC RAYS can burn. ELECTRIC SHOCK can 4.a. Use a shield with the proper filter and cover kill. plates to protect your eyes from sparks and 3.a. The electrode and work (or ground) circuits the rays of the arc when welding or observing are electrically “hot”...
  • Page 4 SAFETY WELDING and CUTTING CYLINDER may explode SPARKS can if damaged. cause fire or explosion. 7.a. Use only compressed gas cylinders 6.a. Remove fire hazards from the welding area. containing the correct shielding gas for the If this is not possible, cover them to prevent process used and properly operating the welding sparks from starting a fire.
  • Page 5 SAFETY PRÉCAuTIONS DE SÛRETÉ 6. Eloigner les matériaux inflammables ou les recouvrir afin de prévenir tout risque d’incendie dû aux étincelles. Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce 7.
  • Page 6 for selecting one of our QUALITY products. We want you to take Thank You pride in operating this product ••• as much pride as we have in bringing this product to you! CUSTOMER ASSISTANCE POLICY The business of our company is manufacturing and selling high quality welding equipment. Our challenge is to meet the needs of our customers and to exceed their expectations.

  • Page 7: Table Of Contents

    TAbLE OF CONTENTS Page Installation........................Section A Technical Specifications .......................A-1 Machine Specifications ......................A-2 Safety Precautions ......................A-3 Location and Ventilation ....................A-3 Stacking ........................A-3 Angle of Operation ......................A-3 Lifting..........................A-3 Additional Safety Precautions ..................A-3 High Altitude Operation ....................A-3 High Temperature Operation ..................A-3 Towing...........................A-3 Vehicle Mounting......................A-4 Pre-Operation Engine Service....................A-4 Oil ..........................A-4 Fuel ..........................A-4...
  • Page 8 TAbLE OF CONTENTS Maintenance......................Section D Safety Precautions ....................D-1 Routine Maintenance ....................D-1 Kohler Engine......................D-1 Engine Maintenance Components ................D-1 Engine Oil Change..................D-2 Engine Oil Refill Capacities................D-2 Oil Filter Change .....................D-2 Air Cleaner Service ..................D-2 Air Pre-Cleaner Service ..................D-2 Air Filter Paper Element ..................D-3 Spark Plug ......................D-3 Spark Plug Service ..................D-3 Fuel Filter ......................D-4...

  • Page 9: Installation

    INSTALLATION TEChNICAL SPECIFICATIONS - GX300 (K2284-2) INPuT - GASOLINE ENGINE Make/Model Speed (RPM) Displacement bore x Stroke Starting Description Capacities cu. In.(cu. Cm.) inch (mm) System 3.15 x 2.64 41(674) 12VDC Battery & Kohler 2 cylinder Fuel: 12 gal. Starter (80 x 67) CH23S 45.4 L...

  • Page 10: Machine Specifications

    INSTALLATION MAChINE SPECIFICATIONS - GX300 (K2284-2) RECEPTACLES AND CIRCuIT bREAKERS RECEPTACLES AuXILIARY POWER CIRCuIT bREAKER OThER CIRCuIT bREAKERS (2) 120VAC Duplex GFCI Two 20AMP for Two Duplex GFCI Receptacle 20AMP for Battery Charging Circuit (5-20R)(1) 120/240VAC Dual One 50AMP for Dual Voltage (2-Pole) 15AMP for 42V Wire Feeder Power Voltage Full KVA (14-50R) GX 300...

  • Page 11: Safety Precautions

    INSTALLATION LIFTING SAFETY PRECAuTIONS The GX 300 weighs approximately 539 lbs(244.5kg. A lift bail is mounted to the machine and should always WARNING be used when lifting the machine. Do not attempt to use this equipment until you ADDITIONAL SAFETY PRECAuTIONS have thoroughly read the engine manufacturer’s manual supplied with your welder.

  • Page 12: Vehicle Mounting

    INSTALLATION VEhICLE MOuNTING WARNING The GX 300 is shipped with the engine crankcase filled with high quality SAE 10W-30 oil. Check the oil level before Improperly mounted concentrated loads may cause unstable vehicle handling and tires or other compo- starting the engine. If it is not up to the full mark on the dip nents to fail.

  • Page 13: High Frequency Generators For Tig Applications

    INSTALLATION When this welder is mounted on a truck or trailer, its CAuTION frame must be electrically bonded to the metal frame An incorrect spark arrestor may lead to damage to of the vehicle. When this engine driven welder is con- nected to premises wiring such as that in a home or the engine or adversely affect performance.

  • Page 14: Cable Installation

    INSTALLATION CAbLE INSTALLATION STANDbY POWER CONNECTIONS Install the welding cables to your GX 300 as follows. The GX 300 is suitable for temporary, standby or 1. The gasoline engine must be OFF to install welding emergency power using the engine manufacturer’s cables.

  • Page 15: Premises Wiring

    INSTALLATION CONNECTION OF GX 300 TO PREMISES WIRING 240 VOLT GROUNDED CONDUCTOR POWER 240 Volt 120 VOLT 60 Hz. COMPANY 3-Wire 120 VOLT Service METER NEUTRAL LOAD DOUBLE POLE DOUBLE THROW SWITCH RATING TO BE THE SAME AS OR GREATER THAN PREMISES SERVICE OVERCURRENT PROTECTION.

  • Page 16: Connection Of Lincoln Electric Wire Feeders

    INSTALLATION CONNECTION OF LINCOLN ELECTRIC CAuTION WIRE FEEDERS If you are using an LN-25 without an internal con- tactor, the electrode will be energized when the Connection of the LN-25 to the GX 300 GX 300 is started. ------------------------------------------------------------------------ Connection of LN-7 or LN-8 to the GX 300 WARNING 1.

  • Page 17: Operation

    OPERATION SAFETY PRECAuTIONS ENGINE OPERATION Before Starting the Engine: WARNING • Be sure the machine is on a level surface. Do not attempt to use this equipment until you • Open top engine door and remove the engine oil have thoroughly read the engine manufacturer’s dipstick and wipe it with a clean cloth.
  • Page 18 OPERATION WELDING CONTROLS 3. ARC CONTROL The ARC CONTROL WIRE/STICK dial is active in the 1. OuTPuT CONTROL: WIRE, STICK and PIPE modes, and has different func- tions in these modes. This control is not active in the TIG The CONTROL dial provides continuous control of the mode.

  • Page 19: Engine Controls

    OPERATION 4. WELD OuTPuT TERMINALS WITh 13. IDLER SWITCh - Has two positions as follows: FLANGE NuT: 1) In the HIGH position, the engine runs at the high Provides a connection point for the electrode and work idle speed controlled by the engine governor. cables.

  • Page 20: Stopping

    OPERATION CONSTANT CuRRENT (CC-STICK) CAuTION WELDING Operating the starter motor for more than 5 sec- The CC-STICK position of the MODE switch is onds can damage the motor. If the engine fails to designed for horizontal and vertical-up welding with all start, release the switch and wait 10 seconds types of electrodes, especially low hydrogen.

  • Page 21: Tig Welding

    OPERATION • Set the "WELDING TERMINALS" switch to the "REMOTELY TIG WELDING CONTROLLED" position. This will keep the "Solid State" con- The TOUCH START TIG setting of the MODE switch is for DC tactor open and provide a "cold" electrode until the Amptrol or TIG (Tungsten Inert Gas) welding.

  • Page 22: Arc Gouging

    OPERATION The auxiliary power capacity is 10,000 watts Peak, ARC GOuGING 9500 Watts continuous of 60 Hz, single phase power. The GX 300 can be used for limited arc gouging. For The auxiliary power capacity rating in watts is equiva- optimal performance, set the MODE switch to CC- lent to volt-amperes at unity power factor.

  • Page 23: Accessories

    ACCESSORIES OPTIONS/ACCESSORIES AND COM- K704 ACCESSORY SET - Includes 35 ft. (10m) of electrode cable and 30 ft. (9.1m) of work cable, head- PATIbLE LINCOLN EQuIPMENT shield, work clamp electrode holder. Cables are rated K957-1 hEAVY DuTY, TWO WhEEL TRAILER FOR at 400 amps, 100% duty cycle.

  • Page 24: Maintenance

    MAINTENANCE SAFETY PRECAuTIONS KOhLER ENGINE FREQuENCY MAINTENANCE REQuIRED WARNING Daily or Before • Fill fuel tank. • have qualified personnel do all maintenance Starting Engine • Check oil level. and troubleshooting work. • Check air cleaner for dirty, loose, • Turn the engine off before working inside the or damaged parts.

  • Page 25: Engine Oil Change

    MAINTENANCE • Refill the crankcase with the specified amount of the Engine Oil Change recommended oil. Reinstall the oil filler cap. Drain the oil while the engine is warm to assure rapid and complete draining. • Start the engine and check for oil filter leaks. •...

  • Page 26: Air Filter Paper Element

    MAINTENANCE AIR FILTER PAPER ELEMENT Spark Plug Service • Loosen the cover retaining knob and remove the cover. To ensure proper engine operation, the spark plug must be properly gapped and free of deposits. • Remove the pre-cleaner from the paper element. •...

  • Page 27: Fuel Filter

    MAINTENANCE CLEANING ThE bATTERY FuEL FILTER Keep the battery clean by wiping it with a damp cloth • Check the fuel filter for water accumulation or sedi- when dirty. If the terminals appear corroded, discon- ment. nect the battery cables and wash the terminals with an ammonia solution or a solution of 1/4 pound (0.1113 •...

  • Page 28: Welder/Generator Maintenance

    MAINTENANCE GFCI RECEPTACLE TESTING AND RESET- TING PROCEDuRE Welder/Generator Maintenance The GFCI receptacle should be properly tested at least once every month or whenever it is tripped. To STORAGE: Store the GX 300 in clean, dry protected properly test and reset the GFCI receptacle: areas.

  • Page 29: Troubleshooting

    TROubLEShOOTING hOW TO uSE TROubLEShOOTING GuIDE WARNING Service and Repair should only be performed by 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.
  • Page 30 TROubLEShOOTING Observe all Safety Guidelines detailed throughout this manual PRObLEMS POSSIbLE RECOMMENDED (SYMPTOMS) CAuSE COuRSE OF ACTION Major Physical or Electrical Damage 1. Contact your local Authorized is Evident. Field Service Facility. Engine will not "crank". 1. Battery is low, Charge Battery. 2.
  • Page 31 TROubLEShOOTING Observe all Safety Guidelines detailed throughout this manual PRObLEMS POSSIbLE RECOMMENDED (SYMPTOMS) CAuSE COuRSE OF ACTION Engine will not idle down to low 1. Idler switch in High idle position. speed. Set switch to Auto. 2. External load on welder or auxil- iary power.
  • Page 32 TROubLEShOOTING Observe all Safety Guidelines detailed throughout this manual PRObLEMS POSSIbLE RECOMMENDED (SYMPTOMS) CAuSE COuRSE OF ACTION No welding power output. 1. Poor work lead connection to work. Make sure work clamp is tightly connected to clean base metal. 2. "Weld Terminals" switch in wrong position.
  • Page 33 TROubLEShOOTING Observe all Safety Guidelines detailed throughout this manual PRObLEMS POSSIbLE RECOMMENDED (SYMPTOMS) CAuSE COuRSE OF ACTION The welding arc is “cold.” The weld- 1. Make sure the MODE selector ing arc is not stable or is not satis- switch is in the correct position for factory.
  • Page 34 DIAGRAMS GX 300...
  • Page 35 DIAGRAMS GX 300...
  • Page 36 DIAGRAMS GX 300...
  • Page 37 DIAGRAMS GX 300...
  • Page 38 DIAGRAMS GX 300...
  • Page 39 DIAGRAMS GX 300...
  • Page 40 DIAGRAMS GX 300...
  • Page 41 DIAGRAMS FOR CODES 11678, 11740, 11795, 11802, 12098, 12204 GX 300...
  • Page 42 DIAGRAMS FOR CODES 13174 GX 300...
  • Page 43 F-10 F-10 DIMENSION PRINT GX 300...
  • Page 44 F-11 F-11 DIMENSION PRINT GX 300...
  • Page 45 NOTES GX 300...
  • Page 46 P-642 P-642 PARTS LIST FOR Red-D-Arc GX300 This parts list is provided as an informative guide only. It was accurate at the time of printing. These pages are only updated on the Service Navigator DVD and in Lincoln Electric’s official Parts Book (BK-34). When ordering parts, always refer to Lincoln Electric’s official Parts Book (BK-34) for the latest pages.
  • Page 47 P-642-A P-642-A ILLUSTRATION OF SUB ASSEMBLIES 04-23-2013 RED-D-ARc GX300...
  • Page 48 P-642-A.1 P-642-A.1 Red-D-Arc GX300 For codes: 11678, 11740, 11795, 11802, 12098 & 12204 Do Not use this Parts List for a machine if its code number is not listed. Contact the Service Department for any code numbers not listed. Use the Main Assembly drawing on the left hand page and the table below to determine which sub assembly page and column the desired part is located on for your particular code machine.
  • Page 49 MIScELLANEOUS ITEMS P-642-B.2 P-642-B.2 (THESE ITEMS ARE NOT ILLUSTRATED) # Indicates a change this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. 1 2 3 4 5 6 7 8 9 ITEM DEScRIPTION PART NO.
  • Page 50 NOTES RED-D-ARc GX300...
  • Page 51 P-642-c P-642-c case Front (Upper) 04-23-2013 RED-D-ARc GX300...
  • Page 52 P-642-c.1 P-642-c.1 # Indicates a change this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. 1 2 3 4 5 6 7 8 9 ITEM DEScRIPTION PART NO. QTY.
  • Page 53 P-642-D P-642-D case Front (Lower) 04-23-2013 RED-D-ARc GX300...
  • Page 54 P-642-D.1 P-642-D.1 # Indicates a change this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. 1 2 3 4 5 6 7 8 9 ITEM DEScRIPTION PART NO. QTY.
  • Page 55 P-642-E P-642-E Base/Fuel Tank/Battery Assembly Oct-13 RED-D-ARc GX300...
  • Page 56 P-642-E.1 P-642-E.1 # Indicates a change this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. 1 2 3 4 5 6 7 8 9 ITEM DEScRIPTION PART NO. QTY.
  • Page 57 P-642-E.2 P-642-E.2 # Indicates a change this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. 1 2 3 4 5 6 7 8 9 ITEM DEScRIPTION PART NO. QTY.
  • Page 58 NOTES RED-D-ARc GX300...
  • Page 59 P-642-F P-642-F Engine Assembly 04-23-2013 RED-D-ARc GX300...
  • Page 60 P-642-F.1 P-642-F.1 # Indicates a change this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. 1 2 3 4 5 6 7 8 9 ITEM DEScRIPTION PART NO. QTY.
  • Page 61 P-642-G P-642-G Blower Baffle Assembly 04-23-2013 RED-D-ARc GX300...
  • Page 62 P-642-G.1 P-642-G.1 # Indicates a change this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. 1 2 3 4 5 6 7 8 9 ITEM DEScRIPTION PART NO. QTY.
  • Page 63 P-642-H P-642-H Stator/Rotor Assembly 11 10 04-23-2013 RED-D-ARc GX300...
  • Page 64 P-642-H.1 P-642-H.1 # Indicates a change this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. 1 2 3 4 5 6 7 8 9 ITEM DEScRIPTION PART NO. QTY.
  • Page 65 P-642-J P-642-J covers & case Back Assembly 04-23-2013 RED-D-ARc GX300...
  • Page 66 P-642-J.1 P-642-J.1 # Indicates a change this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. 1 2 3 4 5 6 7 8 9 ITEM DEScRIPTION PART NO. QTY.
  • Page 67 NOTES RED-D-ARc GX300...
  • Page 68 NOTES GX 300...
  • Page 69 • 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...

This manual is also suitable for:

K2284-2

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