Lincoln-electric IM10153 CLASSIC 300 HE User Manual

Operator’s ManualCLASSIC ®300 HERegister your machine: www.lincolnelectric.com/registerAuthorized Service and Distributor Locator: www.lincolnelectr

A-3INSTALLATION CLASSIC® 300HEA-3Welder Enclosure - The complete welder is rubbermounted on a rugged steel “C” channel base.The output terminals are

A-4INSTALLATION CLASSIC®300HEA-4ANGLE OF OPERATION Engines are designed to run in the level condition which iswhere the optimum performance is achie

PRE-OPERATION SERVICEREAD the engine operating and maintenanceinstructions supplied with this machine.OILThis unit is supplied from the factory with t

A-6INSTALLATION CLASSIC®300HEA-6BATTERY CHARGINGThe Classic®300HE is equipped with a wet chargedbattery. The charging current is automatically reg

A-7INSTALLATION CLASSIC®300HEA-7CAUTIONCertain Electrical devices cannot be powered to this Product. See Table A.1TABLE A.1ELECTRICAL DEVICE USE WIT

B-1OPERATIONB-1ENGINE OPERATIONOperate the welder with the doors closed. Leaving thedoors open changes the designed air flow and cancause overheating

B-2OPERATIONB-2CLASSIC®300HEWELDER OPERATION------------------------------------------------------------------------DUTY CYCLEThe NEMA output rating o

B-3OPERATIONB-3CLASSIC®300HEIDLER OPERATIONStart the engine with the “Idler” switch in the “High”position. Allow it to run at high idle speed for sev

C-1ACCESSORIESC-1CLASSIC®300HEOPTIONAL FEATURES (Field Installed)GENERAL OPTIONSPipe Thawing with an arc welder can cause fire,explosion, damage to el

D-1MAINTENANCED-1SAFETY PRECAUTIONGENERAL INSTRUCTIONS1. Blow out the welder and controls with an air hose atleast once every two months. In particula

THANK YOU FOR SELECTING A QUALITY PRODUCT BY LINCOLN ELEC TRIC. PLEASE EXAMINE CARTON AND EQUIPMENT FORDAMAGE IMMEDIATELYWhen this equipment is ship

D-2MAINTENANCED-2Replace brushes when they wear within 1/4”(3.5mm)of the pigtail. A complete set of replacement brushesshould be kept on hand. Linco

D-3D-3CLASSIC®300HEMAINTENANCEIf necessary use shorter periods.These preventive maintenance periods apply to average conditions of operation.Above ope

D-4MAINTENANCED-4GFCI TESTING AND RESETTINGPROCEDUREThe GFCI should be properly tested at least onceevery month or whenever it is tripped. To properly

E-1TROUBLESHOOTINGCLASSIC®300HEE-1If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, conta

E-2TROUBLESHOOTINGE-2CLASSIC®300HEIf for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, conta

E-3TROUBLESHOOTINGE-3CLASSIC®300HEIf for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, conta

E-4TROUBLESHOOTINGCLASSIC®300HEE-4ELECTRONIC IDLER TROUBLESHOOTING GUIDEWith Idler Control Switch in the Auto Position,Engine Will Not Return to Lo

With Idler Control Switch in the AUTO Position, Engine Will Not Pick Up Speed When:The Arc is Struck Both Auxiliary Load1. Check Idler circuit wiring.

E-6TROUBLESHOOTINGE-6CLASSIC®300HEObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test proced

E-7TROUBLESHOOTINGE-7CLASSIC®300HEObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test proced

SECTION A:WARNINGS CALIFORNIA PROPOSITION 65 WARNINGSDiesel EnginesDiesel engine exhaust and some of its constituents are known to the State of Calif

E-8TROUBLESHOOTINGE-7CLASSIC®300HEObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test proced

CLASSIC®300HEF-1DIAGRAMSF-1NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific

F-2DIAGRAMSF-2CLASSIC®300HES10766-16A.0224.2537.1262.754.00 4.0023.008.7041.663.3557.80.56 SKIDMOUNTING HOLE.56 SKIDMOUNTING HOLEN.B.N.B.N.A. NOTES:

P-734P-734CLASSIC®300 HEPARTS LIST FORClassic®300 HEThis parts list is provided as an informative guide only.It was accurate at the time of printing.

P-734-AP-734-A05-13-2013CLASSIC®300 HEILLUSTRATION OF SUB-ASSEMBLIES1594362710108

Use the Illustration of Sub-Assemblies page and the table below to determine which sub assembly page andcolumn the desired part is located on for your

Use the Illustration of Sub-Assemblies page and the table below to determine which sub assembly page andcolumn the desired part is located on for your

DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

P-734-CP-734-C05-13-2013CLASSIC®300 HEUpper Control Panel11345892

Upper Control Panel Asbly (M22865), Includes: NSS 1X1 Upper Control Panel M22863 1 X2 Rheostat M5090-C 1 XSems Screw (Not Shown) T10082-4 2 X3 Selecto

ELECTRIC SHOCK CAN KILL.3.a. The electrode and work (or ground) circuits areelectrically “hot” when the welder is on. Donot touch these “hot” parts wi

05-13-2013CLASSIC®300 HEP-734-DP-734-DLower Control Panel1A1A23B23B22A22A23A23A2345E5E6E6E5A5A7A7A7B7B12B12B12A12A12F12F15A15A16A16A6A6A6B6B10A10A21A2

1 Lower Control Panel (G7534), Includes: NSS 1X1A Rear Lower Panel L15842-2 1 X2 Oil Gauge S20206-2 1 X3 Temperature Gauge S25154-2 1 X4 Fuel/Hour/LED

16F #4-40 HN (Not Shown) CF000002 1 X18 MOV Assembly (Not Shown) S28445 1 X19 Receptacle & Lead Assembly (Not Shown) S14165-472 1 X20 Plug & L

CLASSIC®300 HENOTES

P-734-EP-734-E05-13-2013CLASSIC®300 HEEngine Assembly453151567413131313141414147219812121212111111111010

Kubota Engine Asbly (L16260), Includes: NSS 1X1 Kubota Engine (M24643) NSS 1X2 Oil Pressure Switch/Sender S17026-3 1 XPipe Adapter S25853 1 XM4-0.7 HN

P-734-FP-734-F05-13-2013CLASSIC®300 HERadiator Assembly7A7A11A1A1B1B1E1E1C1C1D1D{2D2D2E2E2F2F7B7B2C2C4B4B4C4C4D4D92G2G2H2H4A4A2A2A

1 Radiator (Includes Cap) G3432 1 X1A Filler Cap S9970 1 X1B Lock Washer E106A-15 2 X1C Plain Washer S9262-5 2 X1D 1/2-13 HN CF000027 2 X1E Drain Cock

P-734-GP-734-G05-13-2013CLASSIC®300 HEFuel Tank & Mounting8C8C211B1B7D7D7C7C8A8A10107A7A7B7B1C1C1D1D1E1E

1 Fuel Tank & Support Assembly, Includes: L16336 1 X1B Fuel Cap S20541 1 X1C 3/8-16 x 1.00 HHCS CF000019 4 X1D Plain Washer S9262-120 8 X1E Lock W

WELDING AND CUTTINGSPARKS CAN CAUSEFIRE OR EXPLOSION.6.a. Remove fire hazards from the welding area. Ifthis is not possible, cover them to prevent the

P-734-HP-734-H05-13-2013CLASSIC®300 HEBase & Lift Bale Assembly3A3A2D2D2E2E2F2F2G2G4A4A2B2B2A2A5A5A10A10A65E5E2C2C5D5D85C5C5B5B1A1A91C1C1D1D1B1B6A

1A Battery Mounting Panel S15639-1 1 X1B 1/4-20 x .50 HHCS CF000012 2 X1C Lock Washer E106A-2 2 X1D Plain Washer S9262-23 2 X2A Battery (M9399-4) NSS

P-734-JP-734-J05-13-2013CLASSIC®300 HE®Exciter & Stator9A9A9B9B8A8A8B8B8C8C76542A2A3A3A3D3D3C3C3B3B1C1C1D1D1A1A11A11A11B11B11C11C131317A17A17B17B1

1A Exciter End Bracket L6061-7 1 X1C 7/16-14 x 1.50 HHCS T8833-2 4 X1D Lock Washer E106A-8 4 X2A Baffle M13683 1 X2B Thread Forming Screw (Not Shown)

P-734-KP-734-K05-13-2013CLASSIC®300 HE®Welding Generator & Coupling2121222220C20C20F20F20H20H20G20G20A20A20B20B3142A2A2436A6A6B6B59101091111121213

Generator Frame Assembly, Includes: L8576-13 1 X1 Frame L9137-4 1 XInterpole Coil & Pole (Set of 4-3, 6, 9 & 12 OʼClock), Includes:S12261-26 1

P-734-LP-734-L05-13-2013CLASSIC®300 HE®Roof & Doors10A10A13A13A1414121210B10B2212110D10D10C10C8A8A8B8B8D8D8C8C1A1A1111315159C9C7B7B47A7A6B6B7C7C7D

1A Door L6659-G 2 X1B Door Hinge Pin S20295 4 X1C Retaining Ring S9776-62 8 X2 Door Bumper (Mounts in Roof) T15154 4 X3 Door Hook Assembly S10656-3 1

P-734-MP-734-M05-13-2013CLASSIC®300 HE®Generator Brush Holder{{}}4121221536789810101111

Brush Holder Assembly Includes: M6964-2A 4 X1 Spring and Clip Assembly T8495 2 X2 Round Head Screw & Lock Washer T10082-20 2 X3 Plate & Retain

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

CUSTOMER ASSISTANCE POLICYThe business of The Lincoln Electric Company is manufacturing andselling high quality welding equipment, consumables, and cu

TABLE OF CONTENTSPageInstallation ...Section ATech

INSTALLATION CLASSIC®300HEA-1A-1TECHNICAL SPECIFICATIONS - CLASSIC®300HEMake/Model Description Speed (RPM) Displacement Starting CapacitiesSystem3 C

A-2INSTALLATION CLASSIC®300HEA-2GENERAL DESCRIPTIONThe Classic®300HE is a heavy duty, engine driven,DC arc welding power source, capable of providin