Installation, Installing Welding Generator | Miller Electric 300 P

SECTION 5 − INSTALLATION

5-1. Installing Welding Generator

Movement

YAlways securely fasten weld- ing generator onto transport vehicle or trailer and comply with all DOT and other applica- ble codes.

OR

Location/Airflow Clearance

YAlways ground generator frame to vehicle frame to pre- vent electric shock and static electricity hazards.

YIf unit does not have GFCI re- ceptacles, use GFCI-protected extension cord.

YDo not install unit where air flow is restricted or engine may overheat.

.See Section 4-2for lifting eye rating.

.See Section 5-2for mounting information.

Grounding:

		1	Equipment Grounding Terminal
	OR	OR	(On Front Panel)
	OR	OR	Grounding Cable (Not Supplied)
		2	Grounding Cable (Not Supplied)
		3	Metal Vehicle Frame

Connect cable from equipment ground terminal to metal vehicle frame. Use #10 AWG or larger insu- lated copper wire.

18in

(460 mm)

18 in

18 in(460 mm)

(460 mm)

	18 in	18 in
		(460 mm)
	(460 mm)

Grounding1

GND/PE	2

Electrically bond generator frame to vehicle frame by metal-to-metal contact.

3Y Bed liners, shipping skids, and some running gears insulate the welding generator from the vehicle frame. Always connect a ground wire from the generator equipment grounding termi- nal to bare metal on the vehicle frame as shown.

install3 8/06 − Ref. 800 652 / Ref. 800 477-A / 803 274 / 804 712

OM-4433 Page 16

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Miller Electric 300 P manual Installation, Installing Welding Generator, Grounding1

Contents

OM-4433218 314K ProcessesDescription File Engine Drive From Miller to You Table of Contents Warranty Symbol Usage Arc Welding Hazards Engine Hazards Compressed Air Hazards Principal Safety Standards California Proposition 65 WarningsEMF Information Radiation can cause interference Signification des symboles − Consignes DE Sécurité − Lire Avant UtilisationUN Choc Électrique peut tuer LES Fumées ET LES GAZ peuvent être dangereux LE Soudage peut provoquer un in- cendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut affecter l’ouïe LA Chaleur DU Moteur peut pro- voquer un incendie ’AIR Comprimé peut provoquer des blessures’EMPLOI Excessif peut LE Surchauffement peut endom- mager le moteur électrique LE Soudage À L’ARC risque de provoquer des interférences Pour les moteurs à essencePour les moteurs diesel Boulevard, Rexdale, Ontario, Canada M9W 1R3 téléphone Std − Definitions− 50 h Std Manufacturer’s Rating Label Symbols And Definitions Dimensions, Weights, And Operating Angles − SpecificationsWeld, Power, And Engine Specifications Stick Mode MIG ModeTIG Mode Volt-Ampere Curves Curve shows typical fuel use under weld or power loads Exceeding duty cycle can damage unit and void warrantyFuel Consumption Duty Cycle And Overheating AC Generator Power Curve 150 125 100 − Installation Installing Welding GeneratorSee -2for lifting eye rating See -2for mounting information Grounding Mounting Welding Generator Installing Exhaust Pipe Tools Needed 1/2Stop engine and let cool Point exhaust pipe in desired di Activating The Dry Charge Battery If Applicable Connecting The BatteryDo not overfill battery cells Close door after connecting battery Coolant Recovery Tank Engine Prestart ChecksFuel Do not use gasoline. Gasoline will damage engine Oil Connecting To Weld Output Terminals Stick and TIG WeldingMIG and Fcaw Welding Stop engine Selecting Weld Cable Sizes 150 ft 200 ft 250 ft350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m Stop engine before Connecting To Remote 14 Receptacle RC14 Socket Information − Operating Welding Generator Front Panel Controls See Section Description Of Front Panel Controls See Section Process/Contactor Switch Process/Contactor Switch Settings Lift-ArcStart Procedure Lift-Arc Start Method TouchDo not Strike Like a Match Lift-Arc t TIG Remote Voltage/Amperage Control At least once a month, run engine at Generator Power Receptacles− Operating Auxiliary Equipment − Maintenance & Troubleshooting Routine Maintenance Maintenance Label Servicing Air Cleaner By the warrantyTo clean air filter Do not clean housing with air hose Servicing Engine Cooling System Inspecting And Cleaning Optional Spark Arrestor MufflerStop engine and let cool. Reinstall cleanout plug Adjusting Engine Speed On Standard Models MaximumDo not set engine speed higher Stop engine. Close door Engine Speed Adjustment Weld/Power Speed Adjust- mentEngine Speed No Load Rpm max 62.6 Hz 1250 rpm 41.6 Hz Servicing Fuel And Lubrication Systems To change oil and filterTo replace primary canister fuel filter To drain water from fuel system Overload Protection Checking Generator Brushes Replace Damaged Brushes Help 25 Display Voltmeter/Ammeter Help DisplaysHelp 20 Display Troubleshooting Welding Generator Power Engine Check for obstructed throttle solenoid Material Thickness Reference Chart − Electrical Diagrams Circuit Diagram For Welding Generator 219 228−D Welding Generator − RUN-IN ProcedureWetstacking Run-In Procedure Using Load Bank Procedure at less thanStop engine Do not touch hot exhaust From flammables Do not Perform Run-In Procedure Using Resistance Grid Bank/gridFrom flammables Do not perform run-in − Generator Power Guidelines Has this symbolSelecting Equipment Grounding Generator To Truck Or Trailer Frame Grounding When Supplying Building Systems How Much Power Does Equipment Require?Earth ground if supplying Use ground device as stated Electrical codes Approximate Power Requirements For Industrial Motors Approximate Power Requirements For Farm/Home EquipmentIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running Watts Power Required To Start Motor How Much Power Can Generator Supply?Single-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 = Starting Amperage Typical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible Current Load Watts Amperes 108 -2 107 101 102 103 100 104 106 105 − Parts List109 81 Fig 7372 71 67 66 65 PC3 Dia Part Description Quantity Mkgs Batt Panel, Front w/Components Panel, Front w/Components -1Item FUEL/HM Control Panel Generator Rectifier Assembly Wiring Harnesses Support ServiceYour distributor also gives To locate a Distributor or Service Agency visit Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s