Homelite UT10946 manual Using Troubleshooting Chart

Page 59

TROUBLESHOOTING

Using Troubleshooting Chart

If you are experiencing a problem that is not listed in this chart, see your Homelite Servicing Dealer for service.

When you have checked all the possible causes listed and you are still experiencing the problem, see your Homelite Servicing Dealer.

PROBLEM

 

POSSIBLE CAUSE

 

SOLUTION

 

 

 

 

 

Engine will not start:

1.

No spark

1.

Check Spark. Remove air filter cover. Remove spark plug

(MakesureIgnitionswitch

 

 

 

from cylinder. Reattach the spark plug wire and lay spark

is in start position “I”.)

 

 

 

plug on top of cylinder with the metal part of plug touching

 

 

 

 

the cylinder. Pull the starter rope and watch for spark at

 

 

 

 

spark plug tip. If there is no spark, repeat test with a new

 

2.

Flooded engine.

 

spark plug.

 

 

 

2.

With the ignition switch off, remove spark plug. Move

 

 

 

 

choke lever to run position (pushed in completely) and pull

 

 

 

 

starter cord 15 to 20 times. This will clear excess fuel from

 

 

 

 

engine. Clean and reinstall spark plug. Set ignition switch

 

 

 

 

to run (I) position. Push and fully release primer bulb 7

 

 

 

 

times. Pull starter three times with choke lever at run. If

 

 

 

 

engine does not start, move choke lever to choke and

 

 

 

 

repeat normal starting procedure. If engine still fails to

 

 

 

 

start, repeat procedure with a new spark plug.

 

 

 

Engine starts but will not

Carburetor requires “L” (Low jet) adjust-

* Contact a Homelite Servicing Dealer for carburetor adjust-

accelerate properly:

ment.

ment.

 

 

 

Engine starts but will not

Carburetor requires “H” (High jet) adjust-

* Contact a Homelite Servicing Dealer for carburetor adjust-

run properly at high speed

ment.

ment.

.

 

 

1.

Use fresh fuel and the correct 2-cycle oil mix ratio.

Engine does not reach full

1.

Check oil fuel mixture.

speed and / or emits ex-

2.

Air filter dirty.

2.

Clean per instruction in Maintenance-Air Filter Section.

cessive smoke:

3.

Spark arrester screen dirty.

3.

Clean per instructions in Maintenance-Spark Arresting

 

 

 

 

Muffler Section.

 

4.

Carburetor requires “H” (High jet) ad-

4. * Contact a Homelite Servicing Dealer for carburetor

 

 

justment.

 

adjustment.

 

 

 

Enginestarts,runs,andac-

Carburetor requires adjustment.

Turn idle speed screw “T” [see illustration (A)] clockwise to

celerates but will not idle.

 

 

increase idle speed. (If chain turns at idle, turn idle speed

 

 

 

screw “T” counterclockwise to decrease speed). Wear pro-

 

 

 

tective equipment and observe all safety instructions.

 

 

 

 

 

Bar and Chain Running

1.

Chain oil tank empty.

1.

Oil tank should be filled every time that fuel tank is filled.

Hot and Smoking:

2.

Check chain tension for overtight con-

2.

Tension chain per instructions in Operation-Chain Ten-

 

 

dition.

 

sion section.

 

 

 

3.

Run at half throttle 30 to 45 seconds. Stop saw and check

 

3.

Check for oiler function.

 

for oil dripping from SAFE-T-TIP and guide bar. If oil is

 

 

 

 

present the chain may be dull or bar may be damaged. If

 

 

 

 

no oil on SAFE-T-TIP, contact a Homelite Servicing Dealer.

 

 

 

 

 

Engine starts and runs, but

1.

Chain brake engaged.

1.

Release chain brake, see Operation-Chain Brake Sec-

chain is not rotating:

 

 

 

tion.

 

2.

Chain tension too tight.

2.

Retension chain, refer to Assembly-Chain Tension Sec-

 

 

 

 

tion.

 

3.

Check guide bar and chain assembly.

3. Refer to Assembly-Assembling the Bar and Chain Sec-

 

 

 

 

tion.

 

4.

Check guide bar and chain for damage.

4.

Inspect guide bar and chain for damage.

 

 

 

 

 

A

*Note: This engine complies with EPA (Environmental Protection Agency) regulations which require exhaust emission control. As a result, the carburetor adjustment needles are equipped with plastic caps that limit the rotation from the original factory adjustment. If your unit exhibits specific performance problems that can not be corrected by the Trouble Shooting Section, the unit should be taken to a Homelite Servicing Dealer for repair.

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Contents Chain Saw / Scie De Chaine / Motosierra Contents Table DES Matières Índice Identificación DE Componentes Product IdentificationIdentification DU Produit Seguridad SafetySécurité Precauciones frente a la tensión de retroceso Precautions Against KickbackPrécautions pour éviter le rebond du guide-chaîne Atención Poussée et traction Basic Safety PrecautionsMesures de sécurité élémentaires Precauciones básicas de seguridadRopa de seguridad Safety ApparelVêtements de sécurité Refueling do not Smoke KickbackRebond du guide-chaîne Tensión de retrocesoCutting/Work Area MaintenanceEntretien MantenimientoProtección del borde Anti-retroceso SAFE-T-TIP Understanding Your Chain Saw Safety DevicesComprendre les dispositifs de sécurité de l’appareil Protection anti-rebond SAFE-T-TIPBarras de guía Chaîne à faible rebondGuide-chaînes Cadenas de sierra con tensión de retroceso bajaPosition DE Marche Position DE Frein Chain BrakeFrein de chaîne Freno de la cadenaAbastecimiento de combustible Operation Utilisation OperaciónFueling Remplissage en carburantBurn injury Check for fuel leaks, if any are foundCorrect before use to prevent fire or Sistema de lubricación de la cadena OperationChain Oil System Dispositif de lubrification de la chaîneStarting the Engine Démarrage du moteur Arranque del motor Operation Marche Volet DE DépartRemarque Démarrage D’UN Moteur Chaud Stopping the EngineArrêt du moteur Parada del motorComment tenir les poignées Preparation for CuttingPréparatifs pour la coupe Preparación para el cortePostura de corte adecuada Basic Cutting ProcedureProper Cutting Stance Position correcte du corps pour la coupePrecauciones relativas al área de trabajo Work Area PrecautionsPrécautions sur l’aire de travail Ajuste del carburador Carburetor AdjustmentRéglage du carburateur Ajuste de la velocidad de marcha lenta Idle Speed AdjustmentRéglage du ralenti Operación del freno de la cadena Chain Brake OperationUtilisation du frein de chaîne Conditions particulièrement dangereuses Tree FellingAbattage d’un arbre Caída de árboles135 Nota Cm or 1/10 DIARemarque Bucking Buttress RootsRacines échasses Raíces zancoCorte del tronco con un calzo Bucking with a WedgeTronçonnage utilisation d’un coin Types of Cutting Used Logs Under StressBilles sous tension Leños sometidos a tensiónEliminación de ramas y poda Limbing and PruningÉbranchage et élagage Load Charge Carga Ramas/arbustos sometidos a tensión SpringpolesEffet de ressort Maintenance Chart MaintenanceCalendrier d’entretien EntretienTable de mantenimiento MantenimientoAssemblage du guide et de la chaîne Maintenance Entretien MantenimientoAssembling Bar and Chain Armado con barra y cadenaOuter guide bar plate E Maintenance EntretienThen remove the clutch cover D Maintenance Maintenance Chain Tension Tension de la chaîne Tensión de la cadena Mise EN Garde Mantenimiento de la cadena Chain MaintenanceEntretien de la chaîne Cómo afilar los cortadores How to Sharpen the CuttersAffûtage des gouges Correcto Ángulo de afilamiento de la placa superiorTensión DE Retroceso Angle d’affûtage de la plaque latéraleÁngulo de la placa lateral Separación de los reguladores de profundidadLima Plana Empalmador DE Reguladores DE Profundidad Lime Plate Guide DE Jauge DE ProfondeurBar with any of the following faults should be replaced Montaje del protector de punta SAFE-T-TIP Mounting SAFE-T-TIP Nose GuardMontage de la protection de pointe SAFE-T-TIP Filtro de aire Air FilterFiltre à air Unidad del arrancador Starter UnitDispositif de démarrage Motor EngineMoteur Spark Plug Fuel FilterFiltre à carburant Filtro del combustibleNettoyage Spark Arresting MufflerSilencieux pare-étincelles Silenciador con apagachispasChain Brake Combinaciones DE Barra Y Cadena BAR and Chain CombinationsCombinaisons DE GUIDE-CHAÎNE ET DE Chaîne Using Troubleshooting Chart TroubleshootingUtilisation du tableau de localisation des pannes Problème Cause Possible SolutionLocalisation DES Pannes Problema Posible Causa Solución Resolución DE ProblemasUtilización de la tabla de resolución de problemas Almacenamiento de la motosierra 1 mes o más Storing Chain Saw 1 month or longerEntreposage de la tronçonneuse un mois ou plus Datos Técnicos Technical DataDonnées Techniques Save Your Sales Slip WarrantyEmissions Maintenance Schedule and Warranted Parts List Manufacturers Warranty CoverageOwners Warranty Responsibilities Maintenance RequirementsConservez Votre Reçu GarantieGarantie DU Fabricant Guarde SU Comprobante DE Venta GarantiaResponsabilidades DEL Propietario CON Respecto a LA Garantia Page Page Avertissement

UT10946 specifications

The Homelite UT10946 is a highly regarded tool in the outdoor power equipment market, particularly known for its efficiency and reliability. Designed for homeowners and gardening enthusiasts, this model combines power with ease of use, making it an ideal choice for various landscaping tasks.

One of the standout features of the UT10946 is its powerful 25cc 2-cycle engine. This engine provides ample power for tackling a range of tasks, from light trimming to heavier brush clearing. Its lightweight design enhances maneuverability, allowing users to navigate easily around gardens and landscapes without fatigue. This is particularly beneficial during extended periods of use.

The Homelite UT10946 is equipped with an automatic line advance system, which eliminates the need for manual adjustments. This feature ensures that users can work continuously without interruptions for line replacement, ultimately increasing productivity. The tool utilizes a .095-inch trimmer line, which strikes a balance between durability and efficiency, effectively coping with thick grass and tough weeds.

Ergonomics play a crucial role in the design of the UT10946. The trimmer features an adjustable handle, allowing users to customize their grip for better control and comfort. This ergonomic consideration reduces strain on the hands and arms, particularly during lengthy jobs. A padded shoulder strap is also included, which provides additional support and balance as users maneuver the trimmer across uneven terrain.

The unit's ease of starting is enhanced by the inclusion of a primer bulb and choke mechanism, allowing for a quicker ignition process. This is particularly advantageous for users who are not as experienced with starting gas-powered equipment.

In terms of construction, the Homelite UT10946 boasts a robust build designed to withstand the rigors of outdoor use. Its durable materials ensure that it can handle the challenges of various weather conditions, contributing to its longevity.

In summary, the Homelite UT10946 offers a blend of power, convenience, and user-friendliness. With features such as a powerful engine, automatic line advance, ergonomic design, and easy starting mechanisms, it stands out as a reliable choice for homeowners looking to maintain their gardens and landscapes efficiently.
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