Adjusting Engine Speed, 1850 | Miller Electric 500DX R, OM-129

7-5. Adjusting Engine Speed

	Engine Speed	RPM
	(No Load)	RPM
	(No Load)
	Weld/Power	1850

6

1

5	4	3	2

Right Side

Tools Needed: 3/8 in

Engine speed is factory set and should not require adjustment. Af- ter tuning engine, check engine speed with tachometer. See table for proper no load speed. If neces- sary, adjust speed as follows:

1Plastic Cap

2High Speed Stop Screw

3Lock Nut

Remove plastic cap from screw. Loosen nut. Turn screw out (to- ward front of engine) several turns.

4Linkage

5Lock Nuts

Loosen nuts. Start engine and move linkage until engine runs at weld/power speed. Tighten nuts.

YStop engine.

6 Speed Control Lever

Turn screw in until screw touches lever. Tighten lock nut on screw and reinstall plastic cap.

Close side door.

ST-045 768-B

7-6. Servicing Optional Ether Starting Aid

3

33 oz	15 oz
(935 g)	(425 g)
Full	Empty

1

2

YStop engine.

YImproper handling or expo- sure to ether can harm your health. Follow manufactur- er’s safety instructions on cylinder.

If engine does not start in cold weather, check ether cylinder as follows:

Remove cylinder from valve.

1 Ether Cylinder

2 Valve

3 Scale

Weigh cylinder to see if it is empty.

Be sure atomizer is not plugged and valve fitting is clean.

Replace cylinder according to Section 4-8.

ether2 7/96 − ST-153 382-A / Ref. ST-180 933-B / S-0692

OM-129 647 Page 31

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Miller Electric 500DX R, OM-129 manual Adjusting Engine Speed, Servicing Optional Ether Starting Aid, 1850

Contents

Description OM-129 647WProcesses From Miller to You Table of Contents Page ARC Rays can burn eyes and skin Symbol UsageArc Welding Hazards Electric Shock can kill Engine Hazards Engine Heat can cause fire Battery Explosion can BlindMoving Parts can cause injury Engine Exhaust Gases can kill ARC Welding can cause interference Principal Safety StandardsEMF Information Radiation can cause interference LES Fumées ET LES GAZ peuvent être dangereux Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation UN Choc Électrique peut tuer LE Bruit peut affecter l’ouïe LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures graves LA 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 incendie Consignes relatives aux stimulateurs cardiaques Principales normes de sécuritéInformation sur les champs électromagnétiques LE Soudage À L’ARC risque de provoquer des interférences − Definitions − SpecificationsSymbols And Definitions Weld, Power, And Engine Specifications 1898 lb 861 kg Engine End Dimensions, Weights, And Operating AnglesCurve shows typical fuel use under weld or power loads Fuel Consumption 60% Duty Cycle At 500 Amperes Duty Cycle is Percentage AC Auxiliary PowerWarranty Minutes Welding Minutes Resting Duty Cycle And Overheating CC/DC Standard CV/DC Models With CV Option Volt-Ampere Curves Optional AC Power Plant Curves Location − InstallationInstalling Welding Generator Do Not Lift Unit From End Airflow Clearance Maintain proper level Activating The Dry Charge BatteryWhen electrolyte is low, add Charger Tools Needed 1/2 Connecting The BatteryEngine Prestart Checks Connect Negative − Cable Last Selecting Weld Cable Sizes Connecting To Weld Output Terminals Remote A/V Control Receptacle RC3 Installing Ether Cylinder Optional Ether Starting AidAfter installing cylinder, wait at Stop engine Remote 14 Receptacle RC3 Information OptionalTerminal Strip 2T Connections Optional Socket Standard Controls See Section − Operating the Welding Generator If light goes on, stop engine and check engine belt Do not switch under loadDescription Of Standard Controls See Section If light goes off, stop engine and check oil level Controls For Models With CV Option See Section This unit has a max OCV control circuit 120 V 15 a AC Receptacle RC2 240 V 15 a AC Receptacle RC1 Auxiliary power is not affected by weld output− Operating Auxiliary Equipment Volt And 240 Volt Duplex Receptacles British Receptacle Option Optional Auxiliary Power ReceptaclesGfci Receptacle Option Australian And South African Receptacle Options Load Terminals Connecting Optional Auxiliary Power PlantSet Engine Control switch to Run when using auxiliary power 1011 − Maintenance & Troubleshooting Deutz F3L912 Diesel Engine Maintenance Label Hose Servicing Air CleanerTo clean air filter Servicing Fuel And Lubrication Systems 1850 Adjusting Engine SpeedServicing Optional Ether Starting Aid Stop engine To check belt tension To adjust belt tensionChecking And Replacing Alternator Belt 13 mm Max Tools Needed 11/16 Resetting Fan Belt Safety Shutdown Stop engine and let cool Inspecting And Cleaning Optional Spark Arrestor MufflerStop engine and let cool. Reinstall cleanout plug Overload Protection For Models With CV Option Welding Troubleshooting Engine Auxiliary Power Trouble Remedy OM-129 647 Circuit Diagram For Welding Generator Standard Models − Electrical Diagrams Circuit Diagram For Welding Generator Models With CV Option 184 954-C Wetstacking − RUN-IN Procedure Load Bank Run-In Procedure Using Load Bank From flammables Run-In Procedure Using Resistance GridDo not touch hot exhaust Bank/grid Grounding Generator To Truck Or Trailer Frame − Auxiliary Power GuidelinesSelecting Equipment Use ground device as stated in electrical codes Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Earth ground if supplying Farm/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 Watts Contractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor Equipment KVA/HP x HP x 1000 = Starting Amperage Volts Power Required To Start MotorHow Much Power Can Generator Supply? Single-Phase Induction Motor Starting Requirements Customer-supplied equipment is required if Generator is to supply standby power duringEmergencies or power outages Welding Generator Auxiliary Power output circuit Selecting Extension Cord Use Shortest Cord Possible 101 100 − Parts List 66 65 102 Dia Part Description Quantity Mkgs Optional Panel, Front w/Components CC Model Illustrated Panel, Front w/Components -1 Item 6 5 Generator Generator -1 Item Includes 171Hardware is common Not available unless listed Control Box CC/CV -1 Item 86 Optional Panel, Mtg Components CC/CV Model Panel, Mtg Components CC Model Page Support ServiceYour distributor also gives For assistance in filing or settling claims Miller Electric Mfg. CoTo locate distributor nearest you call 1-800-4-A-Miller