Service and Adjustments, Cleaning | Sears 917.370721 manual

PARA CAMBIAR LA CORREA DE IMPULSIÓN

1.	Colocar la nueva correa de polea del motor.
2.	Colocar la otra extremidad de la nueva correa
	de mando a través del oriﬁ cio en el bastidor.
3.	Volver a colocar el cortacésped en posición
	vertical.
4.	Instalar la nueva correa de mando en el
	conjunto de la palanca de transmisión,
	luego alrededor de la polea de mando. Ase-
	gurarse de que la correa se halle al interior
	de los dispositivos de ﬁjación de la correa.
5.	Volver a colocar la conjunto de la palanca
	de transmisión con el tuerca hexagonal
	precedentemente quitados.
6.	Haga descansar la segadora en su lado.
	Asegúrese que el ﬁltro de aire y que el
	carburador queden mirando hacia arriba.

2.Al mismo tiempo que sujeta el conjunto del mango, remueva la manilla y el perno porta- dor del lado opuesto, alinee el agujero en el mango con el agujero deseado en el puntal del mango y vuelva a montar el perno y la manilla y apriételos en forma segura.

3.Alinee el lado opuesto del mango con el agujero de la misma posición y asegúrelos con el perno y la manilla.

Manilla	Perno
	Alta

CLEANING

IMPORTANT: For best performance, keep mower housing free of built-up grass and trash. Clean the underside of your mower after each use.

CAUTION: Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.

•Clean underside of mower by scraping to remove build-up of grass and trash.

•Clean engine often to keep trash from accumulating. A clogged engine runs hotter and shortens engine life.

•Keep ﬁnished surfaces and wheels free of all gasoline, oil, etc.

•We do not recommend using a garden hose to clean lawn mower unless the electrical system, mufﬂer, air ﬁlter and carburetor are covered to keep water out. Water in engine can result in short- ened engine life.

CLEAN UNDER DRIVE COVER

Clean under drive cover at least twice a sea- son. Scrape underside of cover with putty knife or similar tool to remove any build-up of trash or grass on underside of drive cover.

7. Fijar otra vez la pantalla de los escombros

al bastidor con la lengüeta de la pantalla

Puntal	Mediana
del mango

SERVICE AND ADJUSTMENTS

	de los escombros se halle en el oriﬁcio del
	bastidor.
8.	Ponga la cuchilla en el adaptador de ésta
	alineando los dos (2) agujeros en la cuchilla
	con las salientes elevadas en el adaptador.
9.	Asegúrese de que el borde de salida de
	la cuchilla (opuesto al borde aﬁlado) esté
	hacia arriba hacia el motor.
10.	Instale el perno de la cuchilla con la aran-
	dela de seguridad y la arandela endurecida
	en el adaptador de la cuchilla y el cigueñal.
11.	Use un bloque de madera entre la cuchilla
	y la caja de la segadora y apriete el perno
	de la cuchilla girándolo en el sentido en que
	giran las manillas del reloj.

•La torsión para apretar recomendada es de 35 – 40 pies libras.

Baja

MOTOR

VELOCIDAD DEL MOTOR

La velocidad del motor ha sido ajustada en la fábrica. No trate de aumentar la velocidad del motor pues se pueden producir lesiones

WARNING: To avoid serious injury, before performing any service or adjust- ments:

1.Release control bar and stop engine.

2.Make sure the blade and all moving parts have completely stopped.

3.Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.

LAWN MOWER

TO ADJUST CUTTING HEIGHT

See “TO ADJUST CUTTING HEIGHT” in the Operation section of this manual.

REAR DEFLECTOR

4.Remove idler arm assembly from housing by removing hex nut; then remove drive belt from drive pulley, belt keepers and idler arm assembly.

5.Turn lawn mower on its side. Make sure air ﬁlter and carburetor are up.

6.Remove screw securing debris shield. Note that the debris shield has a tab which ﬁts into a gap in the housing.

Crankshaft	Blade
	Blade
Housing hole	adapter

IMPORTANTE: El perno de la cuchilla es tratado a calo. Si es necesario sustituir los pernos, sustituirlos sólo con pernos aprobados mostrados en la sección Partes de Reparación de este manual.

12.Volver a colocar el cortacésped en posición vertical.

13.Volver a colocar el cable del mando y el re- sorte de vuelta en el conjunto de la palanca de transmisión, luego ﬁ jar el cable de mando al ancla.

14.Volver a colocar la tapa del mando con los tornillos precedentemente quitados.

15.Conectar el hilo de la bujía de encendido a la bujía de encendido.

PARA AJUSTAR EL MANGO

El mango de su segadora cuenta con tres (3) posiciones de altura – ajústelo a la altura que le acomode.

1.Remueva la manilla y el perno portador en un lado del mango inferior.

personales. Si cree que el motor está funcio- nando demasiado rápido o demasiado lento, lleve su segadora a mas con su centro de servicio Sears o con un otro centro de servicio cualiﬁcado.

CARBURADOR

Su carburador no es ajustable. Si su motor no está funcionando en forma adecuada debido

a problemas que se sospecha vienen del carbu- rador, lleve su segadora a contacto con su cen- tro de servicio Sears o con un otro centro de servicio cualiﬁcado para repararla y/o ajustarla. IMPORTANTE: Nunca manipule el regulador del motor, el que ha sido ajustado en la fábrica para la velocidad del motor adecuada. Puede ser peligroso hacer funcionar el motor a una velocidad por sobre el ajuste de alta velocidad de la fábrica. Si cree que la velocidad alta regu- lada del motor necesita ajuste, contacto con su centro de servicio Sears o con un otro centro de servicio cualiﬁcado, el que cuenta con el equipo adecuado y la experiencia para hacer los ajustes necesarios.

The rear deﬂector, attached between the rear wheels of your mower, is provided to minimize the possibility that objects will be thrown out of the rear of the mower into the operator mowing position. If the deﬂ ector becomes damaged, it should be replaced.

TO REMOVE DRIVE BELT

1.Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.

2.Remove screws retaining drive cover (not shown); and remove drive cover from lawn mower housing.

3.Remove drive cable from anchor, then detach it and return spring from idler arm assembly.

Drive pulley	Drive cable anchor
	Housing holes

Drive belt

		Hardened
		washer
Tab
		Blade
	Debris shield	bolt
	Debris shield
Trailing edge		Lock-washer

7.Use a wood block between blade and mower housing to prevent blade from turning when removing blade bolt.

NOTE: Protect your hands with gloves and/or wrap blade with heavy cloth.

8.Remove blade bolt.

9.Remove blade, attaching hardware (bolt, lock washer, hardened washer), blade adapter and debris shield. Note that the debris shield has a tab which ﬁts into the housing hole.

10.Remove drive belt from engine pulley; discard old belt.

TO REPLACE DRIVE BELT

				1.	Place new drive belt on engine pulley.
Belt		Return	Idler arm	2.	Route the other end of the new drive
keepers	Hex nut	spring	assembly	15	belt through hole in housing.

917.370721 specifications

The Sears 917.370721 is a versatile and durable lawn tractor designed for homeowners seeking efficiency and performance in yard maintenance. This model combines user-friendly features with robust technologies, making it a popular choice among gardening enthusiasts.

One of the standout features of the 917.370721 is its powerful engine. It typically comes equipped with a reliable Briggs & Stratton engine, which provides ample horsepower for a variety of tasks, including mowing, mulching, and snow removal. The engine's design emphasizes fuel efficiency, allowing homeowners to maximize their time on the lawn without frequent refueling.

The tractor boasts a 42-inch cutting deck, a size that strikes a balance between maneuverability and efficiency. This cutting deck allows the user to tackle larger areas of grass without sacrificing the ability to navigate tight spaces. Furthermore, the deck height can be adjusted easily, providing options for different grass lengths and ensuring a clean, even cut every time.

Another characteristic that enhances the user experience is the ergonomic design of the steering wheel and seat. The operator’s position is designed for maximum comfort, which is crucial during long mowing sessions. The seat is often adjustable, enabling it to accommodate various operator sizes and preferences.

The 917.370721 also features automatic transmission, simplifying the driving experience. This technology allows users to smoothly accelerate and decelerate without the hassle of manual shifting, making it accessible for even novice operators. Additionally, the tractor is designed with a turning radius that facilitates easy navigation around trees, flowerbeds, and other obstacles commonly found in residential yards.

Durability is a hallmark of the Sears 917.370721, with its robust steel frame and high-quality components designed to withstand the rigors of regular use. Regular maintenance, such as oil changes and blade sharpening, can keep the tractor running efficiently for years, ensuring a wise investment for homeowners.

In summary, the Sears 917.370721 lawn tractor is a reliable and efficient option for those looking to maintain their lawns with ease. With a powerful engine, adjustable cutting deck, ergonomic design, and user-friendly features, it stands out in the competitive lawn care market. Homeowners can depend on this model to deliver excellent performance while managing their outdoor spaces effectively.

Sears 917.370721 owner manual Service and Adjustments, Cleaning

Models: 917.370721