Hobart Welding Products OM-487 Servicing Engine Cooling System, Servicing Optional Spark Arrestor

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7-4. Servicing Engine Cooling System

	Y	Stop engine and let cool.
	1	Radiator Cap
	2	Radiator Drain Cock
1	Drain engine coolant according to
	procedure in engine manual.

Add engine coolant according to procedure in Section 4-4.

801 939 / 802 727

7-5. Servicing Optional Spark Arrestor

Y Stop engine and let cool.

1 Spark Arrestor Screen

Clean and inspect screen. Replace spark arrestor if screen wires are broken or missing.

Tools Needed:

1/4 in

ST-801 939-C / Ref. ST-801 695-A / Ref. ST-187 602-A

OM-487 Page 27

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Contents Processes OM-487Description From Hobart to You Table of Contents Page ARC Rays can burn eyes and skin Symbol UsageArc Welding Hazards Electric Shock can killEngine Hazards Engine Heat can cause fire Battery Explosion can BlindMoving Parts can cause injury Engine Exhaust Gases can killARC Welding can cause interference Principal Safety StandardsEMF Information Radiation can cause interferenceLES Fumé ES ET LES GAZ peuvent ê tre dangereux Signification des symbolesConsignes DE SÉ Curité Lire Avant Utilisation UN Choc É Lectrique peut tuerLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES PIÈ CES Chaudes peuvent provoquer des brû lures gravesLA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessures’EXPLOSION DE LA Batterie peut LA Chaleur DU Moteur peut pro- voquer un incendieConsignes relatives aux stimulateurs cardiaques Principales normes de sé curitéInformation sur les champs é lectromagné tiques LE Soudage À L’ARC risque de provoquer des interfé rencesDefinitions SpecificationsSymbol Definitions Weld, Power, And Engine SpecificationsDimensions Dimensions, Weights, And Operating AnglesFuel Consumption 100% Duty Cycle at 290 Amperes DC Auxiliary Power CurveExceeding duty cycle can damage unit and void warranty Duty CycleVolt-Ampere Curves CC/AC ModeCC/DC Mode CV/DC ModeDo not lift unit from end Airflow Clearance InstallationInstalling Welding Generator Installing Exhaust PipeOil 13 mm Full Diesel Coolant Recovery TankEngine Prestart Checks Fuel Do not use gasoline. Gasoline will damage engineConnect negative Connecting The BatteryConnecting To Weld Output Terminals Adding Coolant To RadiatorRemote 14 Receptacle Information Selecting Weld Cable SizesTo stiffen weld puddle Adjusting MIG Weld Puddle ConsistencyStop engine To wet out weld puddleFront Panel Controls Do not switch under loadPlace switch in Run position to operate most Gmaw equipment Operating Welding Generator1nected to the remote 14 recep- tacle is running Remote Amperage/Voltage ControlOperating Auxiliary Equipment Auxiliary Power Receptacles And Circuit BreakersAuxiliary power decreases as weld current increases Open, contact Factory Authorized Service AgentGfci Receptacle Option Optional Auxiliary Power ReceptaclesAustralian Receptacle Option Receptacle Wiring Optional 240 Volt PlugMaintenance Label Maintenance and Troubleshooting75 h Routine Maintenance20 h 50 h800 h 200 h400 h 500 hServicing Air Cleaner Servicing Optional Spark Arrestor Servicing Engine Cooling SystemStop engine and let cool Fuel Lines Replace fuel lines if cracked or worn Servicing Engine Fuel And Lubrication SystemsChecking Fuel Solenoid Adjusting Engine SpeedAdjusting Fuel Solenoid Position Stop screw is factory-set and should not be adjustedSolenoid in relaxed Adjusting Throttle SolenoidChecking Throttle Solenoid Check for non-bindingAdjusting Idle Speed Making Engine Speed AdjustmentsAdjusting Weld/Power Speed Trouble Remedy TroubleshootingOverload Protection WeldingSee engine manual Low weld output Check control settingsCheck and clean air cleaner as necessary see Section Check engine speed, and adjust if necessary see SectionEngine Auxiliary PowerTrouble Remedy Circuit Diagram For Welding Generator Electrical Diagram201 Wetstacking RUN-IN ProcedureLoad Bank Run-In Procedure Using Load BankFrom flammables Run-In Procedure Using Resistance GridDo not touch hot exhaust Bank/gridGrounding Generator To Truck Or Trailer Frame Auxiliary Power GuidelinesHas this symbol Selecting EquipmentUse ground device as stated in electrical codes Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Earth ground if supplyingFarm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Industrial Motors Rating Starting Watts Running WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentKVA/HP x HP x Power Required To Start MotorHow Much Power Can Generator Supply? Single-Phase Induction Motor Starting RequirementsTypical Connections To Supply Standby Power Current Load Watts Amperes Selecting Extension Cord Use Shortest Cord Possible56- -3 Parts List80- -2 Main Assembly Dia Part Description 124 Hardware is common Not available unless listed Panel, Front w/ComponentsPanel, Front w/Components -1 Item Generator -1 Item Support ServiceHobart Welding Products Contact your Distributor forCall