Zenoah GZ4500 manual Troubleshooting Guide, Case 2. Lack of power/Poor acceleration/ Rough Idling

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12. Troubleshooting Guide

Case 1. Starting failure

WARNING

Make sure the icing prevention system is not working.

Check fuel for water or substandard mix- ture.

Check for engine

flooding.

Check the spark.

Replace with proper

fuel.

Remove and dry the spark plug.

Then pull the starter again with no choke.

Replace with a new

plug.

Case 2. Lack of power/Poor acceleration/ Rough

idling

Check fuel for water or substandard mix- ture.

Replacefuel. with proper

Check air filter and

fuel filter for clogging.

Check carburetor for inadequate ad- justment.

Clean.

Readjust speed needles.

Check muffler and

cylinder (exhaust port).

Wipe away carbon buildup.

Case 3. Oil does not come out

Check oil for sub- standard quality.

Check oil passage and ports for clog- ging.

Replace.

Clean.

When your unit seems to need further service, please consult with our service shop in your area.

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Contents GZ4500 Contents Differents Types D’AVERTISSEMENT DE CE Mode D’EMPLOI Tables des matieres ContenidoAdvertencias Contenidas EN EL Manual Specifications GZ4500 Power unitParts location GZ4500 Groupe moteur Emplacement des pieces Situación de las piezasFiche technique GZ4500Use the chain saw with two hands Read operators instruction book beforeOperating this machine Read, understand and follow all warningsSujete siempre la motosierra con ambas manos Position Oil cap Symbols on the machinePosition Fuel cap Emission ControlInformation Importante Concernant LE Moteur Control DE EmisionesFor safe operation Consignes de securite Instrucciones de seguridad For safe operation Consignes de securite Instrucciones de seguridad Kickback Safety Precautions for Chain SAW Users Consignes de securite Instrucciones de seguridad For safe operation Consignes de securite Instrucciones de seguridad Moving Direction Installing guide bar and saw chainTensioner nut Chain cover Loosen Tighten Tensioner screw Lift upDesserrer Serrer Vis du tendeur Soulever Ecrou de tendeur Carter de chaîneSens de rotation Tuerca del tensor Cubierta de la cadenaInstalling guide bar and saw chain Levante When using Zenoah genuine oil Fuel and chain oilRecommended Mixing Ratio Gasoline 50OIL Proporción DE LA Mezcla Recomendada Gasolina 50 Aceite Rapport DE Melange Recommande Essence 50 HuileLors de l’utilisation de la véritable huile Zenoah Al utilizar el aceite auténtico de ZenoahHOW to MIX Fuel Fueling the UnitComment Obtenir UN BON Melange Como Mezclar EL Combustible Remplissage DU ReservoirAbastecimiento DE LA Unidad For Your Engine LIFE, Avoid Chain OILEviter Pour Prolonger LA Duree DE VIE DU Moteur Para Contribuir a LA Vida Útil DEL MOTOR, EviteHuile Pour Chaîne Aceite Para LA Cadena Starting the Engine Chain oil Fuel Switch Throttle lever Throttle interlockOperation Choke knobArranque Bouton de starterBotón del estrangulador Checking the OIL Supply Rich Lean Chain oil flow adjustingAdjusting the Carburetor F14 Chain oilAjuste DEL Carburador F14 F14 F15 F16 Needle Idle adjusting screwHow to confirm Needle -1/4 L needle -1/4Frein DE LA Chaîne Freno DE LA CadenaSwitch Carburetor anti-freeze mechanism Stopping the EngineApagado DEL Motor Arrêt DU MoteurInterrupteur Mécanisme antigel de carburateur Interruptor Mecanismo anticongelación del carburadorHOW to Switch Between Operating Modes F19 Choke knob Cylinder cover Icing capFonctionnement Uso F19Sawing Guard Against Kickback F21Mesures DE Protection Contre LES Rebonds F21 Protección Contra Contragolpe F21Felling a Tree F22 Log lying on the ground F23Talado DE Árboles F22 Tronc reposant sur le sol F23Log hanging off the ground F24 Cutting Limb of Fallen Tree F25Elagage d’un arbre F26 Tronc en surélévation F24Ebranchage d’un arbre abattu F25 Un tronco separado del suelo F24Maintenance Maintenance After Each USEEntretien Apres Chaque Utilisation Mantenimiento Después DE Cada USOPeriodical Service Points Entretien Periodique Puntos DE Servicio PeríodicoFuel filter NGK CMR7HSprocket Filtre à essence Filtro de combustible Filtre à essenceFiltro de combustible Roue dentée Rueda dentadaMaintenance of Saw Chain and Guide Bar SAW ChainMéthode et critères d’affûtage Porter des gants de sécurité Avant l’affûtageNormas para el ajuste de los dientes Guide BAR Ruler Gap No gap Chain tiltsBarra Guía GUIDE-CHAÎNERègle Interstice Pas d’interstice La chaîne est penchéeTroubleshooting Guide Case 2. Lack of power/Poor acceleration/ Rough IdlingCase 3. Oil does not come out Cas 1. Défaut de démarrage Guide de dépannage12. Guía para la localización de averías Caso 1. Falla de arranqueStorage RangementAlmacenamiento GZ4500 NotaGZ4500 Cylinder Assy Parts list ARM Carbburetor Components S/N 600101 and up Accessories S/N 600101 and up Manufacturer’s warranty coverage Owner’s warranty responsibilitiesCouverture de la garantie constructeur Obligations du propriétaire liées à la garantieCobertura de la garantía dada por el fabricante Responsabilidades del propietarioChain Saws Limited Warranty RedMax Garantie limitée des tronçonneuses Garantía Limitada DE LAS Motosierras Page Page Komatsu Zenoah America INC