McCulloch 9096311037, 966993701 AIR Filter, Spark Plug, Fuel Filter, Carburetor Adjustment

Page 9

7 - MAINTENANCE INSTRUCTIONS

7 - MAINTENANCE INSTRUCTIONS

7-2. AIR FILTER

CAUTION

Never operate saw without the air filter. Dust and dirt will be drawn into engine and damage it. Keep the air filter clean!

TO CLEAN AIR FILTER:

1.Remove knob (A) holding air filter cover in place, remove the top cover (B) by loosening the cover retaining screws. Cover will lift off.(Figure 7-2A)

2.Completely remove the air filter box (B) from the unit. (Figure 7-2B)

3.Clean air filter box by using air cleaner or brush.

NOTE: Never clean air filter with liquid material or it may cause air filter damaged.

4.Install air filter. Install engine / air filter cover. Make sure latch (E) latch (F) and cover fit properly. Tighten the cover retaining knob securely. (Figure 7-2C & Figure 7-2D)

WARNING

Never perform maintenance when the engine is hot, to avoid any chance of burning hands or fingers.

5.Pull filter off with a twisting motion. Discard filter.

6.Install new filter. Insert end of filter into tank opening. Make sure filter sits in bottom corner of tank. Use a long handle screwdriver to aid in filter placement if necessary.

7.Fill tank with fresh fuel / oil mixture. See Section 4, Fuel and Lubrication. Install fuel cap.

B

7-3A

7-4. SPARK ARRESTER SCREEN (Figure 7-

4A)

7-5. SPARK PLUG

NOTE: For efficient operation of saw engine, spark plug must be kept clean and properly gapped.

1.Push STOP switch down.

2.Remove air cleaner cover.

3.Disconnect the wire connector (G) from the spark plug

(H) by pulling and twisting at the same time (Figure 7- 5A).

4.Remove spark plug with spark plug socket wrench.

DO NOT USE ANY OTHER TOOL.

5.Check electrode gaps with wire feeler gauge and set gaps to .025” (.635mm) if necessary.

6.Reinstall a new spark plug.

NOTE: A resistor spark plug must be used for replacement (Part no. 9295-310801).

NOTE: This spark ignition system meets all requirements of the Canadian Interference-Causing Equipment Regulations.

3.Allow the engine to cool (approx. 5 minutes).

4.Using a spark plug wrench, remove the spark plug.

5.Pour 1 teaspoon of clean 2-cycle oil into the combus- tion chamber. Pull starter rope slowly several times to coat internal components. Replace spark plug (Figure

7-7A).

NOTE: Store the unit in a dry place and away from possi- ble sources of ignition such as a furnace, gas hot water heater, gas dryer, etc.

B

C

NOTE: A clogged spark arrester screen will dramatically reduce engine performance.

G

7-7A

A

D

7-2A7-2B

B

F

EF

7-2C7-2D

7-3.FUEL FILTER

CAUTION

Never operate your saw without a fuel filter. The fuel filter should be replaced after each 20 hours of use. Drain fuel tank completely before changing filter.

1.Completely remove the fuel cap from the gas tank.

2.Bend a piece of soft wire to form a hook at the end.

3.Reach into fuel tank opening and hook fuel line. Carefully pull the fuel line toward the opening until you can reach it with your fingers.

NOTE: Do not pull hose completely out of tank.

4.Lift filter (A) out of tank (Figure 7-3A).

16

1.Remove the 2 nuts (A) and pull muffler out. (Figure7- 4A).

2.Remove the 1 screw (B) that holds the spark arrester cover (C) . (Figure 7-4B)

3.Discard the used spark arrester screen (D) and replace it with a new one.

4.Reassemble the muffler components and install the muffler to the cylinder. Tighten securely.

A

B

7-3A

C D

A

B

7-4B

H

7-5A

7-6.CARBURETOR ADJUSTMENT

The carburetor was pre-set at the factory for optimum per- formance. If further adjustments are necessary, please take your unit to the nearest Authorized Service Center listed in the Yellow Pages.

7-7.STORING A CHAIN SAW

CAUTION

Never store a chain saw for longer than 30 days without performing the following procedures.

Storing a chain saw for longer than 30 days requires stor- age maintenance. Unless the storage instructions are fol- lowed, fuel remaining in the carburetor will evaporate, leav- ing gum-like deposits. This could lead to difficult starting and result in costly repairs.

1.Remove the fuel tank cap slowly to release any pres- sure in tank. Carefully drain the fuel tank.

2.Start the engine and let it run until the unit stops to remove fuel from carburetor.

17

7-8.REMOVING A UNIT FROM STORAGE

1.Remove spark plug.

2.Pull starter rope briskly to clear excess oil from com- bustion chamber.

3.Clean and gap spark plug or install a new spark plug with proper gap.

4.Prepare unit for operation.

5.Fill fuel tank with proper fuel / oil mixture. See Fuel and Lubrication Section.

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Contents Alto Safety Features Table of ContentsIntroduction General Information General IdentificationKickback Safety Precautions Safety PrecautionsOther Safety Precautions General Safety Precautions for Chain SAW UsersRED Warning Assembly InstructionsTo Install SAW Chain SAW Chain Tension AdjustmentTo Adjust SAW Chain Chain Brake Mechanical TestFuel and Lubrication Operating Instructions Operating Instructions General Cutting Instructions Bucking Using a Sawhorse General Cutting Instructions Maintenance InstructionsPreventive Maintenance LimbingAIR Filter Carburetor AdjustmentSpark Plug Fuel FilterGuide BAR Maintenance BAR / Chain MaintenanceChain Maintenance Chain Replacement InformationTroubleshooting the Engine ONE Year Limited Warranty Introductioin Lire AttentivementTable DES Matieres Avertissement Precautions Pour Eviter LES RebondsRenseignements Generaux Measures DE Securite Identification DES PrincipauxRebonds Conseils Supplemen Taires Précautions Générales DE SécuritéGUIDE-CHAINE / Chaine / Installa Tion DU Carter D’EMBRAYAGE Symboles InternationauxVert Avertissement Measures DE Securite Instructions Pour MontageReglage DE LA Tension DE LA Chaine Installation DE LA ChaineABC Test Mecanique DU Chain BrakeCarburant ET Lubrification Fonctionnement Fonctionnement Instructions Pour LA Coupe Ebranchage Instructions Pour LA Coupe EntretienTronconnage Tronconnage SUR ChevaletFiltre a Essence Filtre a AIRGrille PARE-ETINCELLES BougieEntretien DU GUIDE-CHAÎNE / Chaîne Depannage DU Moteur Garantie Limitée DE UN Année POR Favor LEA IntroduccionTabla DE Contenidos GarantiaInformacion General Precauciones DE Seguridad AdvertenciaPrecauciones DE Contragolpe Indentificacion GeneralMAS Acerca DEL Contragolpe ¡PELIGRO! ¡CUIDARSE DEL ContragolpeCuidese DE Precaution Rojo AdvertenciaPrecauciones DE Seguridad Instrucciones DE Ensemblado Justes DE Tension DE LA Cadena DE LA Sierra PrecaucionPrueba Mecanica DEL Chain Brake Para Ajustar LA Cadena DE LA SierraCombustible Y Lubricacion Instrucciones DE Operacion Para Apagar EL Motor Para Volver a Encender EL Motor CalienteRueba Operacional DEL Chain Brake Lubricacion DE LA Barra / Cadena DE LA SierraLeñado DesramadoMantenimiento Preventivo Leñado Usando UN Caballete Para AserrarPantalla Contra Chispanota Filtro DE AireAjustes DEL Carburador Retirando UNA Unidad EL ALMACE- NajeMantenimiento DE LA Barra / Cadena Causa Probable ProblemaAccion Correctiva DuraciónService Spare Parts List 35cc Gas Chain Saw Starter Housing Assy CABLE, Throttle

9096311037, 966993701 specifications

The McCulloch 966993701 and 9096311037 are advanced chainsaws known for their power, efficiency, and cutting performance. Designed for both home users and professionals, these models cater to a wide range of cutting needs, from pruning branches to felling trees and processing firewood.

One of the standout features of these McCulloch chainsaws is their robust engine design. Both models are equipped with high-performance two-stroke engines that deliver impressive power-to-weight ratios, allowing for efficient cutting without excessive fatigue during operation. This makes them ideal for extended use in various outdoor tasks.

The 966993701 model, in particular, boasts a displacement of 50cc, generating a strong output that ensures quick and precise cutting. The engine is engineered with advanced air injection technology, which reduces air filter contamination, resulting in prolonged performance and less frequent maintenance. This feature also enhances fuel efficiency, maximizing operational time with minimal refueling.

On the other hand, the 9096311037 model offers an integrated fuel-efficient system that minimizes emissions, making it an environmentally conscious choice for users. Both chainsaws are designed with ergonomic handles, providing comfort and reducing the vibration felt during usage. This is critical for those who find themselves working for long periods, as it helps to improve control and reduce hand fatigue.

Safety mechanisms are also a priority in the design of the McCulloch chainsaws. Each unit features a chain brake system that halts the chain in the event of kickback, significantly enhancing user safety. Additionally, the automatic oiler ensures that the chain is consistently lubricated, reducing wear and maximizing lifespan.

Both models also come with easy-to-access and tool-less air filter systems, allowing for quick maintenance. Users can efficiently clean or replace filters to keep the chainsaws running smoothly without unnecessary downtime.

In summary, the McCulloch 966993701 and 9096311037 chainsaws are powerful, efficient, and user-friendly tools equipped with advanced technologies aimed at enhancing cutting performance. With their combination of safety features, ergonomic designs, and fuel-efficient engines, these chainsaws are perfect for any outdoor project, ensuring reliability and ease of use for all users, from hobbyists to professionals.
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