Lincoln-electric IM10047 RED-D-ARC GX300 User Manual

RED-D-ARC GX 300IM10047-DAugust 2013Red-D-Arc Spec-Built Welding EquipmentThisRED-D-ARCwelder is built to RED-D-ARC Extreme Dutydesign specificati

A-2INSTALLATION A-2GX 300MACHINE SPECIFICATIONS - GX300 (K2284-2)RECEPTACLES AUXILIARY POWER CIRCUIT BREAKER OTHER CIRCUIT BREAKE

A-3INSTALLATION A-3LIFTINGThe GX 300 weighs approximately 539 lbs(244.5kg. Alift bail is mounted to the machine and should alwaysbe used when liftin

VEHICLE MOUNTINGImproperly mounted concentrated loads may causeunstable vehicle handling and tires or other compo-nents to fail.• Only transport this

A-5INSTALLATION A-5An incorrect spark arrestor may lead to damage tothe engine or adversely affect performance.-------------------------------------

A-6INSTALLATION A-6CABLE INSTALLATIONInstall the welding cables to your GX 300 as follows. 1. The gasoline engine must be OFF to install weldingcab

A-7INSTALLATION A-7240 Volt60 Hz.3-WireServicePOWERCOMPANYMETER240 VOLT120 VOLT120 VOLTLOADNNEUTRALBUSGROUNDPREMISESDISCONNECT ANDSERVICEO

A-8INSTALLATION A-8CONNECTION OF LINCOLN ELECTRICWIRE FEEDERSConnection of the LN-25 to the GX 300Shut off welder before making any electrical con-n

B-1OPERATIONB-1SAFETY PRECAUTIONSDo not attempt to use this equipment until youhave thoroughly read the engine manufacturerʼsmanual supplied with your

B-2OPERATIONB-2WELDING CONTROLS1. OUTPUT CONTROL: The CONTROL dial provides continuous control of thewelding current or welding voltage depending on t

B-3OPERATIONB-34. WELD OUTPUT TERMINALS WITHFLANGE NUT:Provides a connection point for the electrode and workcables. Output stud covers provided on co

GX 300FOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the maintenance work requires it to be ru

B-4OPERATIONB-4Operating the starter motor for more than 5 sec-onds can damage the motor. If the engine fails tostart, release the switch and wait 10

(1) When used with argon gas. The current ranges shown must be reduced when using argon/helium or pure helium shielding gases.(2) Tungsten electrodes

Permissible Current in@120 VAC *80**60**46**36200B-6OPERATIONB-6ARC GOUGINGThe GX 300 can be used for limited arc gouging. Foroptimal performance, s

C-1ACCESSORIESC-1OPTIONS/ACCESSORIES AND COM-PATIBLE LINCOLN EQUIPMENTK957-1 HEAVY DUTY, TWO WHEEL TRAILER FORSMALL WELDERSFor road, off-road and in-p

D-1MAINTENANCED-1GX 300KOHLER ENGINE (1) Service more frequently when used in dusty areas and/or at high ambienttemperatures.SAFETY PRECAUTIONS• Have

D-2MAINTENANCED-2Engine Oil ChangeDrain the oil while the engine is warm to assure rapidand complete draining.• Remove the oil filler cap and dipstic

D-3MAINTENANCED-3AIR FILTER PAPER ELEMENT• Loosen the cover retaining knob and remove thecover.• Remove the pre-cleaner from the paper element.• Remov

D-4MAINTENANCED-4FUEL FILTER• Check the fuel filter for water accumulation or sedi-ment.• Replace the fuel filter if it is found with excessivewater a

D-5MAINTENANCED-5GX 300Welder/Generator MaintenanceSTORAGE: Store the GX 300 in clean, dry protectedareas.CLEANING: Blow out the generator and control

E-1TROUBLESHOOTINGE-1GX 300If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your

GX 300iiSAFETYiiARC RAYS can burn.4.a. Use a shield with the proper filter and coverplates to protect your eyes from sparks andthe rays of the arc whe

E-2TROUBLESHOOTINGE-2GX 300Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test procedures or

E-3TROUBLESHOOTINGE-3GX 300Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test procedures or

E-4TROUBLESHOOTINGE-4GX 300Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test procedures or

E-5TROUBLESHOOTINGE-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test procedures or are u

F-1DIAGRAMSF-1GX 300

F-2DIAGRAMSF-2GX 300

F-3DIAGRAMSF-3or service this equipment.Only qualified personnel should install,useKeep away from moving parts.Keep guards in place.MOVING PARTS can i

F-4DIAGRAMSF-4 GX 300

F-5DIAGRAMSF-5 GX 300

F-6DIAGRAMSF-6GX 300 29/03

iiiSAFETYiiiGX 300FOR ELECTRICALLYpowered equipment.8.a. Turn off input power using the disconnectswitch at the fuse box before working onthe equipmen

F-7DIAGRAMSF-7GX 300

F-8DIAGRAMSF-8NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a

F-9DIMENSION PRINTF-9GX 300M22449ACIRCUITBREAKERS41.201046.517.50444.519.50495.316.75425.4TRUCK/UNDERCARRIAGE MOUNTING HOLES7.22183.324.86631.32.6266.

F-10DIMENSION PRINTF-10GX 300M24958ACIRCUITBREAKERS41.201046.517.50444.519.50495.3TRUCK/UNDERCARRIAGE MOUNTING HOLES7.22183.329.80756.9INCHMM10.28261.

NOTES GX 300

RED-D-ARC GX300P-642P-642PARTS LIST FORRed-D-Arc GX300This parts list is provided as an informative guide only.It was accurate at the time of printing

04-23-2013RED-D-ARC GX300P-642-AP-642-AILLUSTRATION OF SUB ASSEMBLIES7564312

Jan-14RED-D-ARC GX300Do Not use this Parts List for a machine if its code number is not listed. Contact the Service Department for anycode numbers not

MISCELLANEOUS ITEMS (THESE ITEMS ARE NOT ILLUSTRATED)Spark Arrestor Clamp S20462 1 X04-23-2013RED-D-ARC GX300Use only the parts marked “x” in the colu

RED-D-ARC GX300NOTES

ivSAFETYivGX 300PRÉCAUTIONS DE SÛRETÉPour votre propre protection lire et observer toutes les instructionset les précautions de sûreté specifiques qui

04-23-2013RED-D-ARC GX300P-642-CP-642-CCase Front (Upper)1A1A3A3A232327A27A38A38A27B27B51A51A51C51C51A51A51B51B51B51B5A5A8A8A4A4A414192828313133332525

1 Case Front Assembly (G3666-51), Includes: NSS 1X1A Case Front G3860-9 1 X3A Top Bezel G3593 1 X3B Self Tapping Screw (Not Shown) S24738-1 7 X4A Righ

04-23-2013RED-D-ARC GX300P-642-DP-642-DCase Front (Lower)3939242420A20A20B20B20C20C49A49A50A50A50B50B222221214545393940407A7A7B7B7C7C7E7E7F7F7D7D12A12

7A Output Terminal Assembly, Includes: T14166-9 2 X7B Output Stud Nut T3960 2 X7C Self Tapping Screw S8025-91 4 X7D 1/2-13 x .875 HHCS CF000344 2 X7E

Oct-13RED-D-ARC GX300P-642-EP-642-EBase/Fuel Tank/Battery Assembly4E4E2B2B1A1A1B1B8A8A8C8C8D8D8E8E8B8B75P5P10104C4C4D4D2A2A17A17A17G17G17F17F17F17F17H

1A Base G3870-1 1 XXXX1B Hinge Assembly S24295-2 2 XXXX1C Rivet (Not Shown) T12584-9 4 X • X •1C Rivet (Not Shown) T12584-12 4 • X • X1D Door Bumper (

17F Flex Tube T10642-275 2 X X X17G Fuel Filter (Supplied w/Engine) NSS 1 XXX17H Hose Clamp T13777-7 4 X X X20 EPA Compliance Decal NSS 1 • X X25 Flex

RED-D-ARC GX300NOTES

04-23-2013RED-D-ARC GX300P-642-FP-642-FEngine Assembly2A2A1E1E1A1A1B1B1E1E1C1C1F1F

1A Engine (M21300) - Kohler NSS 1X••1A Engine (M22704) - Kohler NSS 1•X•1A Engine (M24866) - Kohler NSS 1 ••X1B Rubber Mounting S24344 2 X X X1C 3/8-1

vvThank Youfor selecting one of our QUALITY products. We want you to takepride in operating this product ••• as much pride as we have inbringing this

04-23-2013RED-D-ARC GX300P-642-GP-642-GBlower Baffle Assembly7215154A4A16168A8A8C8C8D8D8E8E8F8F15A5A5B5B9A9A9B9B9H9H9K9K9J9J9F9F9E9E9D9D3A3A3C3C3B3B3H

Blower Baffle Assembly, Includes: G4097-12 1 X1 Baffle G3862-1 1 X2 Warning Decal T13086-163 2 X3A Chopper Board Assembly L11845-[ ] 1 X3B Baffle S246

04-23-2013RED-D-ARC GX300P-642-HP-642-HStator/Rotor Assembly8A8A8B8B11111010121213139A9A7A7A2A2A2C2C2B2B1A1A1G1G1D1D1C1C1B1B1E1E1F1F5B5B5A5A

1A Rotor & Shaft Assembly L11086-2 1 X1B Centering Washer S20110-3 1 X1C Special Hex Head Bolt T14843-6 1 X1D Tolerance Ring S18044-9 1 X1E Blower

04-23-2013RED-D-ARC GX300P-642-JP-642-JCovers & Case Back Assembly784B4B4A4A19191818111112126B6B6A6A13136C6C5A5A3A3A25A25A27A27A27B27B25B25B10102A

1A Case Side - Right G3510-1 1 X X X`X1B Thread Forming Screw (Not Shown) S9225-68 3 X X X`X2A Case Side - Left G3511-1 1 XXXX2B Thread Forming Screw

RED-D-ARC GX300NOTES

NOTES GX 300

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

vi vi TABLE OF CONTENTSPageInstallation...

viiviiTABLE OF CONTENTSMaintenance.......Section DSafet

GX 3001. Output rating in watts is equivalent to volt-amperes at unity power factor. Output voltage is within ± 10% at all loads up torated capacity.