Shindaiwa 69033-94310, 502s manual Troubleshooting Guide, What To Check, Possible Cause, Remedy

Page 18

Troubleshooting Guide

ENGINE DOES NOT START

What To Check

Does the engine crank?

YES

NO

Possible Cause

Faulty recoil starter. Fluid in the crankcase. Internal damage.

Remedy

Consult with an authorized servicing dealer.

Good compression?

YES

Does the tank contain fresh fuel of the proper grade?

YES

Is fuel visible and mov- ing in the return line when priming?

YES

Is there spark at the spark plug wire terminal?

YES

Check the spark plug.

NO

NO

NO

NO

Loose spark plug.

Excess wear on cylinder, piston, rings.

Fuel incorrect, stale, or contaminated; mixture incorrect.

Check for clogged fuel filter and/or vent.

The ignition switch is in “O” (OFF) position.

Shorted ignition ground.

Faulty ignition unit.

If the plug is wet, excess fuel may be in the cylinder.

The plug is fouled or improperly gapped.

The plug is damaged internally or of the wrong size.

Tighten and re-test.

Consult with an authorized servicing dealer.

Refill with fresh, clean unleaded gasoline with a pump octane of 87 or higher mixed with 50:1 Shindaiwa Premium 2-cycle mixing oil or with an equivalent high quality 2-cycle mixing oil.

Replace fuel filter or vent as required. Restart.

Move switch to “I” (ON) position and restart.

Consult with an authorized servicing dealer.

Crank the engine with the plug removed, reinstall the plug, and restart.

Clean and regap the plug to 0.6mm- 0.7mm. Restart.

Replace the plug. Check the Specifications page for the correct spark plug. Restart.

LOW POWER OUTPUT

 

 

What To Check

 

 

 

Possible Cause

 

Remedy

 

 

 

 

 

 

Operator is overworking the unit.

 

Cut at a slower rate.

 

 

 

 

 

 

 

 

 

 

 

 

 

Carburetor mixture is too lean.

 

Consult with an authorized servicing dealer.

 

 

 

 

 

 

 

 

 

Is the engine overheating?

 

 

 

Improper fuel ratio.

 

Refill with fresh, clean unleaded gasoline

 

 

 

 

 

 

 

 

 

 

 

 

 

 

with a pump octane of 87 or higher mixed

 

 

 

 

 

 

 

 

 

with 50:1 Shindaiwa Premium 2-cycle

 

 

 

 

 

 

 

 

 

mixing oil or with an equivalent high

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

quality 2-cycle mixing oil.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan, fan cover, cylinder fins dirty or

 

Clean, repair or replace as necessary.

 

 

 

 

 

 

 

 

 

 

 

 

 

damaged.

 

Consult with an authorized servicing dealer.

 

 

 

 

 

 

Carbon deposits on the piston or in the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

muffler.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Clogged air cleaner element.

 

Clean or replace the air filter.

 

 

 

 

 

 

 

 

 

Engine is rough at all speeds.

 

 

 

Loose or damaged spark plug.

 

 

Tighten or replace the plug. Check the

 

 

 

 

 

 

 

 

 

May also have black smoke

 

 

 

 

 

 

Specifications page for the correct spark

 

 

 

 

 

 

 

 

plug. Restart.

 

 

and/or unburned fuel at the

 

 

 

 

 

 

 

 

 

 

 

Air leakage or clogged fuel line.

 

Repair or replace fuel filter and/or fuel line.

 

 

exhaust.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Water in the fuel.

 

Refill with fresh fuel/oil mixture.

 

 

 

 

 

 

 

 

 

 

 

 

 

Piston seizure.

 

Consult with an authorized servicing dealer.

 

 

 

 

 

 

 

 

 

 

 

 

 

Faulty carburetor and/or diaphragm.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine is knocking.

Overheating condition

Improper fuel

Carbon deposits in the combustion chamber.

See above.

Check fuel octane rating; check for presence of alcohol in the fuel. Refuel as necessary.

Consult with an authorized servicing dealer.

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Contents 502s Chain SAW Contents IntroductionsChain Brake Chain Saw Kickback Safety DevicesKickback Safety Precautions Kickback can happen lightning-fastAdditional Safety Precautions Stop the engine before setting the chain saw downImproper maintenance, use of non Safety Labels Specifications Unit DescriptionRecommended BAR and Chain Combinations Assembly and Adjustments Prior to assemblyInstalling and Adjusting the Guide Bar and Saw Chain Never operate this saw Without the clutch cover installed Re-Adjusting the Saw ChainMixing fuel Filling the fuel tankBar Oil Oil Pump Adjustment Starting the EngineEngine Start Starting a Flooded Engine Stopping the Engine Adjusting Engine IdleIdle Speed Adjustment Saw chain must never rotate at engine idle speedChain Brake Testing Chain Brake MaintenanceChain Brake Before Felling a Tree Cutting with the SawFelling Trees Felling Small TreesFelling Larger Trees BuckingLimbing Maintenance 40/50 Hour Maintenance Spark Arrester MaintenanceLong Term Storage Sharpening Technique Saw Chain PerformanceHow the Saw Chain Works For consistent filing angles, use a filing guidePossible Cause Troubleshooting GuideWhat To Check RemedyAdditional Problems SymptomLimited Warrantly Page Specifications subject to change without notice 502s Motosierra Introducción ÍndiceNotas de interés especial Freno de la cadena Dispositivos de seguridad de contragolpe de la motosierraPrecauciones de seguridad contra los contragolpes Equipo de cortePrecauciones adicionales de seguridad Rótulos de seguridad Descripción de la unidad EspecificacionesCombinaciones Recomendadas DE Barra Y Cadena Ensamblar y adjuste Antes de EnsamblarEnsamblar y adjuste continuación EmbragueReajuste de la cadena de la sierra Aceite de la barra Mezcla del combustibleLlenando el tanque de combustible PrecauciónAjuste de la bomba de aceite Aceite de la barra continuaciónArranque del motor Arranque del motorAjuste de la marcha mínima Arranque del motor continuaciónDetención del motor Arrancando un motor ahogadoFuncionamiento del freno de la cadena Freno de la cadenaPrueba del freno de la cadena Mantenimiento del freno de la cadena¡PROCEDA Corte con la sierraTala de árboles CONTronzado Tala de árboles ContinuaciónTala de árboles grandes DesrameMantenimiento Mantenimiento luego de 40 a 50 horas de uso Mantenimiento continuacionAlmacenamiento prolongado Mantenimiento del guardachispasTécnica de afilado Rendimiento de la cadena de la sierraFuncionamiento de la cadena de la sierra Para limar en ángulos iguales, use una guía para la limaPosible causa Guía de localización de fallasQué Revisar RemedioGuía de localización de fallas continuación Qué Revisar Posible causaEsta Garantía ES Administrada POR Notas SP22 Scie À Chaîne 502s Mises en garde IntroductionTable des matières AVERTISSEMENT Frein de chaîne Dispositifs antirebond de la scie à chaîneConsignes de sécurité relatives au rebond AVERTISSEMENT  AvertissementAutres consignes de sécurité REMARQUE Étiquettes de sécurité Combinaisons DE Guide ET DE Chaîne Recommandées Description de l’appareilCaractéristiques techniques Avant l’assemblage Installation et réglage du guide-chaîne et de la chaîneAssemblage et réglage Mise EN GARDE Assemblage et réglage suite Ne jamais utiliser la scie sansRéglage de la chaîne Mélange d’essence Remplissage du réservoir à carburantHuileur du guide Réglage de la pompe à huile Huileur du guide suiteDémarrage du moteur Démarrage du moteur Réglage du ralenti moteur Démarrage d’un moteur noyéArrêt du moteur Réglage du régime de ralenti Entretien du frein de chaîne Frein de chaîneVérification du frein de chaîne Fonctionnement du frein de chaîneUtilisation de la scie Abattage d’arbresAbattage de petits arbres Tronçonnage Abattage d’arbres suiteAbattage d’arbres de grande taille ÉbranchageEntretien Entretien aux 40 à 50 heures Entretien suiteRemisage à long terme Entretien du pare-étincellesPerformances de la chaîne de la scie Fonctionnement de la chaîneMéthode d’affûtage Guide de dépannage SolutionPoints à contrôler Cause probable Solution Points à contrôlerGuide de dépannage suite Autres ProblèmesPièces Prises EN Charge Étendue DE LA Garantie DU FabricantResponsabilités DU Propriétaire À L’ÉGARD DE LA Garantie LimitationsFR21 Shindaiwa Inc

69033-94310, 502s specifications

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