Craftsman 316.794801 manual Rocker Arms iNTAKE, Exhaust, Intake Valve

Page 13

Rocker Arms iNTAKE

Feeler Gauge

Spark Plug Hole

Ad Nuts

EXHAUST

if using a torque wrench torque to: 110-120 in.olb. (12.3-13.5 Nora} Do not over tighten.

SPARK ARRESTOR MAINTENANCE

inspect the spark arrestor after every 50 hours of operation.

1.Remove the rear engine cover. See Rocker Arm Clearance.

2.With a flat blade screwdriver, or a Torx T-20 bit and a T-25 bit, remove the 2 screws attaching the spark arrestor cover to the muffler (Fig. 36).

"1"-25Screw

Slot

Fig. 33

Adjusting Nut _,_

Rocker Arm

.003-.006 in.

(.076-.152 ram}

intake Valve

Stem

3auge

 

Valve Stem

Fig. 34

b. Recheck both clearances, and adjust as necessary.

9.Reinstall the rocker arm cover using a new gasket. Torque the screw to 20-30 in_lb (2.2-3.4 N_m).

10.Check the spark plug and reinstall. See Replacing the Spark Plug.

11.Replace the spark plug wire.

12.Reinstall the engine cover. Check alignment of the cover before tightening the screws. Tighten screws.

REPLACING THE SPARK PLUG

electrodes. Grit in the engine could damage the cylinder.

J

WARNING:

Do not sand blast, scrape or clean

I

Use a Champion RDZ19H or a replacement part number 753=05255 spark plug. The correct air gap is 0.025 in. (0.635 mm.). Remove the plug after every 25 hours of operation and check its condition.

1.Stop the engine and allow it to cool. Remove the eight (8) screws on the back of the engine cover with a Flat-head or T- 25 Torx screwdriver (Fig. 31).

Spark Arrestor Screen

Spark Arrestor Cover

"c_-_

"1"-20Screw

Fig. 36

3.Pull the tab on the spark arrestor cover out of the muffler. Remove the spark arrestor cover.

4.Remove the spark arrestor screen from the spark arrestor cover.

5.Clean the spark arrestor screen with a wire brush or replace it.

6.Reinstall the spark arrestor screen, spark arrestor cover, and screws.

CLEANING

 

turn your unit off and allow it to cool before you clean

I _

I WARNING:or service it. To avoid serious personal injury, always

Use a small brush to clean off the outside of the unit. Do not use

strong detergents. Household cleaners that contain aromatic oils such as pine and lemon, and solvents such as kerosene, can damage plastic housing or handle. Wipe off any moisture with a soft cloth.

STO RAG E

Never store the unit with fuel in the tank where fumes may reach an open flame or spark.

Allow the engine to cool before storing.

Lock up the unit to prevent unauthorized use or damage.

Store the unit in a dry, well-ventilated area. Store the unit out of the reach of children.

LONG TERM STORAGE

1.Drain all gasoline from the gas tank into a container. Do not use gas that has been stored for more than 60 days. Dispose of the old gasoline in accordance to Federal, State, and Local regulations.

2.Start the engine and allow it to run until it stalls. This ensures that all gasoline has been drained from the carburetor.

3.Allow the engine to cool. Remove the seven (7) screws on the back of the engine cover with a Flat-head or T-25 Torx screwdriver. Remove the spark plug and put 5 drops of high quality motor oil into the cylinder. Pull the starter rope slowly to distribute the oil. Reinstall the spark plug.

NOTE: Remove the spark plug and drain all of the oil from the cylinder before attempting to start the blower after storage.

2.Grasp the plug wire firmly and pull the cap from the spark plug.

3.Clean dirt from around the spark plug. Remove the spark plug from the cylinder head by turning a 5/8 in. socket counterclockwise.

4.Replace cracked, fouled or dirty spark plug. Set the air gap at 0.025 in. (0.635 mm.) using a feeler gauge (Fig. 35).

0.025 in.

(0.635 ram.)

I.

T

A

T

4.Change the oil, referring to Changing the Oil. Dispose of the old oil in accordance to Federal, State and Local regulations.

5.Thoroughly clean the unit and inspect for any loose or damaged parts. Repair or replace damaged parts and tighten loose screws, nuts or bolts. The unit is ready for storage.

TRANSPORTING

Allow the engine to cool before transporting.

Secure the unit while transporting.

Drain the gas tank before transporting.

Tighten gas cap before transporting.

5. install a correctly-gapped sparkFig. 35 plug in the cylinder head. Turn

the 5/8 in. socket clockwise until snug.

13

Image 13
Contents Operators Manual Engine Exhaust from this Product Contains Read the Operators ManualOperator And/or bystanders Chemicals Known to the State of California toDonottouchtheengineormufflerThesepartsgetextremely Othersafety WarningsCraftsman Professional Full Warranty Safety Alert SymbolMeaning Unleaded FuelThrottle Grip Suspension System Shoulder Support Support BucklePrimer Bulb Oil FiB Plug Starter RopeAssembling the Blower Tube Installing the Flex TubeThrottle Cables Elbow TubeThrottle Grip Cruise Control Fueling the Unit Cold Start Starting iNSTRUCTiONSStopping iNSTRUCTiONS Holding the Blower Adjusting the Suspension SystemOperating Tips ApplicationsFill L AiR Filter Maintenance Maintenance ScheduleOiL Air FilterRocker ARM Clearance Adjust Idle Speed ScrewAir Filter Cover TabExhaust Rocker Arms iNTAKEIntake Valve Action Cause ActionEngineType Air-Cooled,4-Cycle Displacement Emission Warranty Parts List Soplador DE Mochila Proposicion 65 DE CALiFORNiA Indice DE ContenidosReproductivos Unidades Motrices a GASOtras Advertencias DE Seguridad Durante LA OperacionUSE Proteccion Ocular Yauditiva Simbolosde Seguridad E InternacionalesGarantja Total Profesional DE Craftsman ¢uerda Palanca del Cubierta de Manija de laSistema de Soporte para los hombrosInstaaaci6n Los tubos inferiores EnsamblajedeltubodelasopladoraControl de Cables delCrucero PlsticoLinea indicadora de aceite Ileno De rellenoTipo DE Combustible Recomendado Definici6n de los combustibles de mezclaArranque EN Frio Instrucciones DE ArranqueConsejos 0TILES Sobre LA Operacion GatilloSostenimiento DE LA Sopladora Ajustedel Sistema DE SuspensionProcedimiento DE Operacion Para LA Sopladora Frequencia Mantenimiento Requerido VEA Programa DE MantenimientoCambio DEL Aceite Filtro de aireHlielgo DEL Brazo Oscilante Ajuste DEL Velocidad MinimaCambio DE LA Bujia DE Encendido EscapeLimpieza Almacenamiento POR Largos Periodos DE TiempoAccion CausaCausa Aooion Cobertura de la Garantia del Fabricante Los Derechos y Obligaciones de Usted segn la GarantiaResponsabilidades del Propietario segn la Garantia Lista de Piezas de Emisiones en GarantiaRequisitos de la Garantia pot Defectos E16E17 Replacement Parts ModelE18 E19 MY-HOME