Checking And Replacing Alternator Belt

7-7. Checking And Replacing Alternator Belt

1/2 in	1
(13 mm)
Max

Tools Needed:

1/2, 11/16 in

YStop engine.

To check belt tension:

Remove rear panel.

1Alternator V-Belt

2Crank Pulley

3Alternator Pulley

Place straight edge along top of pulleys. Pull down belt as far as it will go, then measure distance from belt to straight edge.

If measurement is less than 1/2 in (13 mm), belt is okay. If not okay, adjust belt tension.

To adjust belt tension:

4Hex Nuts (2)

5Alternator Bracket

Loosen nuts. Pivot alternator until belt is tight. Tighten nuts. Recheck tightness of belt. Readjust if necessary.

Replace belt if damaged or cracked.

To replace belt:

Loosen hex nuts and pivot alterna- tor clockwise. Remove belt.

Install new belt, pivot alternator un- til belt is tight, and tighten nuts. Re- check tightness of belt after run- ning engine 15 minutes.

Reinstall rear panel.

ST-158 632 / Ref. ST-180 933-B

OM-129 647 Page 32

Page 36

Image 36

Miller Electric OM-129, 500DX R Checking And Replacing Alternator Belt, mm Max Tools Needed 11/16, To adjust belt tension

Contents

OM-129 647W ProcessesDescription From Miller to You Table of Contents Page Symbol Usage Arc Welding HazardsElectric Shock can kill ARC Rays can burn eyes and skin Engine Hazards Battery Explosion can Blind Moving Parts can cause injuryEngine Exhaust Gases can kill Engine Heat can cause fire Principal Safety Standards EMF InformationRadiation can cause interference ARC Welding 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 DES Organes Mobiles peuvent provoquer des blessures ’EXPLOSION DE LA Batterie peutLA Chaleur DU Moteur peut pro- voquer un incendie LA Chute DE L’APPAREIL peut blesser Principales normes de sécurité Information sur les champs électromagnétiquesLE Soudage À L’ARC risque de provoquer des interférences Consignes relatives aux stimulateurs cardiaques − Specifications Symbols And DefinitionsWeld, Power, And Engine Specifications − Definitions Dimensions, Weights, And Operating Angles Curve shows typical fuel use under weld or power loadsFuel Consumption 1898 lb 861 kg Engine End AC Auxiliary Power Warranty Minutes Welding Minutes RestingDuty Cycle And Overheating 60% Duty Cycle At 500 Amperes Duty Cycle is Percentage Volt-Ampere Curves CC/DC Standard CV/DC Models With CV Option Optional AC Power Plant Curves − Installation Installing Welding GeneratorDo Not Lift Unit From End Airflow Clearance Location Activating The Dry Charge Battery When electrolyte is low, addCharger Maintain proper level Connecting The Battery Engine Prestart ChecksConnect Negative − Cable Last Tools Needed 1/2 Connecting To Weld Output Terminals Selecting Weld Cable Sizes Installing Ether Cylinder Optional Ether Starting Aid After installing cylinder, wait atRemote A/V Control Receptacle RC3 Remote 14 Receptacle RC3 Information Optional Terminal Strip 2T Connections OptionalSocket Stop engine − Operating the Welding Generator Standard Controls See Section Do not switch under load Description Of Standard Controls See SectionIf light goes off, stop engine and check oil level If light goes on, stop engine and check engine belt Controls For Models With CV Option See Section This unit has a max OCV control circuit Auxiliary power is not affected by weld output − Operating Auxiliary EquipmentVolt And 240 Volt Duplex Receptacles 120 V 15 a AC Receptacle RC2 240 V 15 a AC Receptacle RC1 Optional Auxiliary Power Receptacles Gfci Receptacle OptionAustralian And South African Receptacle Options British Receptacle Option Connecting Optional Auxiliary Power Plant Set Engine Control switch to Run when using auxiliary power1011 Load Terminals − Maintenance & Troubleshooting Maintenance Label Deutz F3L912 Diesel Engine Servicing Air Cleaner To clean air filterHose Servicing Fuel And Lubrication Systems Adjusting Engine Speed Servicing Optional Ether Starting Aid1850 To adjust belt tension Checking And Replacing Alternator Belt13 mm Max Tools Needed 11/16 Stop engine To check belt tension Resetting Fan Belt Safety Shutdown Inspecting And Cleaning Optional Spark Arrestor Muffler Stop engine and let cool. Reinstall cleanout plugOverload Protection For Models With CV Option Stop engine and let cool Troubleshooting Welding Auxiliary Power Engine Trouble Remedy OM-129 647 − Electrical Diagrams Circuit Diagram For Welding Generator Standard Models Circuit Diagram For Welding Generator Models With CV Option 184 954-C − RUN-IN Procedure Wetstacking Run-In Procedure Using Load Bank Load Bank Run-In Procedure Using Resistance Grid Do not touch hot exhaustBank/grid From flammables − Auxiliary Power Guidelines Selecting EquipmentGrounding 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 in 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 Volts Generator is to supply standby power during Emergencies or power outagesWelding Generator Auxiliary Power output circuit Customer-supplied equipment is required if Selecting Extension Cord Use Shortest Cord Possible − Parts List 101 100 66 65 102 Dia Part Description Quantity Mkgs Optional Panel, Front w/Components CC Model Illustrated Panel, Front w/Components -1 Item Generator 6 5 Generator -1 Item 171 Hardware is common Not available unless listedIncludes Control Box CC/CV -1 Item 86 Optional Panel, Mtg Components CC/CV Model Panel, Mtg Components CC Model Page Service Your distributor also givesSupport Miller Electric Mfg. Co To locate distributor nearest you call 1-800-4-A-MillerFor assistance in filing or settling claims