Miller Electric Big Blue 600D manual Adjusting Overspeed Shutdown Valve

Page 31

7-9. Adjusting Overspeed Shutdown Valve

OFF

YStop engine, and let cool.

The overspeed shutdown valve protects the engine from damage

10 9 8

2

3

RUN

START

due to high engine speed. If the en- gine stops, the valve may be closed.

Shutdown speed is between 1950 and 2100 rpm. Use a tachometer to check shutdown speed as follows:

Open right side door and remove rear panel.

1Air Cleaner

2Hose Into Air Cleaner

3Hose Clamp

Loosen clamp and remove hose.

4Plastic Cap

5High Speed Stop Screw

6Lock Nut

1

Engine End

Drawing #

7

6

5

4

Tools Needed:

3/8 in

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

7Speed Control Lever

8Overspeed Shutdown Valve

Start engine and increase speed by moving lever toward high speed stop screw. Note engine rpm when valve closes and stops engine.

If shutdown speed is not between 1950 and 2100 rpm, adjust as follows:

9Lock Nut

10Valve Adjustment Screw

Loosen nut and turn screw one turn (clockwise to increase and counter- clockwise to decrease shutdown rpm). Tighten nut.

Check shutdown speed and repeat adjustment if needed.

YStop engine.

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

Install hose and hose clamp. Install rear panel and close side door.

If necessary, adjust engine speed according to Section 7-5

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Contents
Processes OM-481Description From Miller 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 SpecificationsSymbols And Definitions Weld, Power, And Engine SpecificationsDo not exceed operating angles Dimensions, Weights, And Operating AnglesDo not move or operate unit where it could tip Fuel Consumption100% Duty Cycle At 600 Amperes AC Generator PowerExceeding duty cycle can damage unit and void warranty Duty Cycle And OverheatingVolt-Ampere Curves For Constant Current CC Mode For Constant Voltage CV ModeInstalling Welding Generator InstallationConnecting The Battery Engine Prestart Checks Installing Exhaust Pipe And Rain CapSelecting Weld Cable Sizes Connecting To Weld Output TerminalsSocket Remote 14 Receptacle RC3 InformationStop engine Terminal Strip 3T ConnectionsOpen right side door Terminal Strip 3T Strain Relief Front Panel Controls Do not switch under loadDo not run engine until problem is fixed Operating the Welding GeneratorExample Of Remote Amperage Control Operating Auxiliary EquipmentVolt Duplex Gfci Receptacles 50 h Maintenance & TroubleshootingRoutine Maintenance Volt Duplex Receptacle Optional500 h 100 h200 h 250 hMaintenance Label Do not clean housing with air hose Servicing Air CleanerBy the warranty To clean air filter Servicing Fuel And Lubrication Systems Overload Protection Adjusting Engine SpeedTo replace belt To adjust belt tensionChecking And Replacing Engine Belt Servicing Optional Spark ArrestorSpeed Control Lever Overspeed Shutdown Valve Adjusting Overspeed Shutdown ValveWelding TroubleshootingEngine Generator Power TroubleCircuit Diagram For Welding Generator Electrical Diagram194 139-B Wetstacking RUN-IN ProcedureWelding Generator From flammables Do not Perform Run-In Procedure Using Load BankProcedure at less than Stop engine Do not touch hot exhaustDo not perform run-in Run-In Procedure Using Resistance GridBank/grid From flammablesSelecting Equipment Generator Power GuidelinesGrounding Generator To Truck Or Trailer Frame Amperes x Volts = Watts 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 RequirementsWork like a Pro Typical Connections To Supply Standby PowerCurrent Load Watts Amperes Selecting Extension Cord Use Shortest Cord Possible66 71 74 73 Parts List60Fig Dia Part Description Mkgs Quantity Shunt Panel, Front w/Components Panel, Front w/Components -1 Item 13 14 23 22 21 2524 Panel, Front Lower w/ComponentsPanel, Front Lower w/Components -1 Item Control Box -1 Item Generator -1 Item OM-481 Page Page Your distributor also gives ServiceSupport Miller Electric Mfg. Co Owner’s Record
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