Craftsman 917.28991 Tractor, Check Operator Presence System, Check Reverse Operation ROS System

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TRACTOR

Always observe safety rules when per- forming any maintenance.

BRAKE OPERATION

If tractor requires more than five (5) feet to stop at highest speed in highest gear on a level, dry concrete or paved surface, then brake must be serviced. (See "TO CHECK BRAKE" in the Service and Adjustments section of this manual).

TIRES

•Maintain proper air pressure in all tires (See PSI on tires).

•Keep tires free of gasoline, oil, or insect control chemicals which can harm rub-

ber.

•Avoid stumps, stones, deep ruts, sharp objects and other hazards that may cause tire damage.

NOTE: To seal tire punctures and prevent flat tires due to slow leaks, tire sealant may be purchased from your local parts dealer. Tire sealant also prevents tire dry rot and corrosion.

OPERATOR PRESENCE SYSTEM AND

REVERSE OPERATION SYSTEM (ROS) Be sure operator presence and reverse operation systems are working properly, if your tractor does not function as de- scribed, repair the problem immediately.

•The engine should not start unless the brake pedal is fully depressed, and the attachment clutch control is in the

disengaged position.

CHECK OPERATOR PRESENCE SYSTEM

•When the engine is running, any at- tempt by the operator to leave the seat without first setting the parking brake should shut off the engine.

•When the engine is running and the attachment clutch is engaged, any at- tempt by the operator to leave the seat should shut off the engine.

•The attachment clutch should never op- erate unless the operator is in the seat.

ROS "ON" Position Engine "ON" Position (Normal Operating)

CHECK REVERSE OPERATION (ROS) SYSTEM

•When the engine is running with the ignition switch in the engine "ON" posi- tion and the attachment clutch engaged, any attempt by the operator to shift into reverse should shut off the engine.

•When the engine is running with the ignition switch in the ROS "ON" position and the attachment clutch engaged,

any attempt by the operator to shift into

reverse should NOT shut off the engine.

BLADE CARE

For best results mower blades must be

sharp. Replace worn, bent or damaged blades.

_i, CAUTION: Use only a replacement

blade approved by the manufacturer of your tractor. Using a blade not approved

by the manufacturer of your tractor is hazardous, could damage your tractor and void your warranty.

BLADE REMOVAL

1.Raise mower to highest position to allow access to blades.

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

2.Remove blade bolt by turning counter- clockwise.

3.Install newbladewith stamped"THISSIDE UP" facing deck and mandrel assembly.

iMPORTANT: To ensure proper assembly, center hole in blade must align with star on mandrel assembly.

4.Install and tighten blade bolt securely (45-55 Ft. Lbs. torque).

IMPORTANT: Special blade bolt is heat

treated.Mandrel Assembly

Blade

Blade

"Star

Center Hole

BATTERY

Your tractor has a battery charging system which is sufficient for normal use. However, periodic charging of the battery with an au- tomotive charger will extend its life.

•Keep battery and terminals clean.

•Keep battery bolts tight.

•Keep small vent holes open.

•Recharge at 6-10 amperes for 1 hour.

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Contents Crrftsmrii SEARS, Roebuckand CO., Hoffman ESTATES, IL 60179 U.S.ACraftsman Full Warranty TWO Years on RiDiNG EquipmentGeneral Operation IV. Towing ServiceSafe Handling of Gasoline Extra Repair Protection Product SpecificationsSears Installation Service AgreementsMower Front Wheel 1/40.D. WasherFrom Skid To Remove Tractor from CartonBefore Removing Tractor Unpack CartonTurn Steering Wheel Left and Position Mower Assemble Front Gauge Wheel To Front of MowerSlide Mower Under Tractor Attach Mower Side Suspension Arms a to Chassis Install ANTI-SWAY BAR S if EquippedANTI-SWAY BAR S Attach Rear Lift Links CAttach Front Link E Install Belt on Engine Clutch Pulley MMower Drive Belt Installation IcautionCheck for Proper Position Check Tire PressureCheck Deck Levelness Check Brake System@@@@ Attachment Clutch Switch Light Switch Turns the headlights on and offKnow Your Tractor Stopping Ground Drive HOW to USE Your TractorStopping Mower Blades EngineTo Move Forward and Backward System CharacteristicsTo Adjust Gauge Wheels To Operate MowerTo Operate On Hills Using the Reverse Operation SystemTo Stop Mower Blades = To TransportTo Start Engine Service REMINDER/HOUR MeterBefore Starting the Engine Check Engine OIL LevelPurge Transmission Automatic Transmission Warm UPMowing Tips General Recommendations Maintenance ScheduleChart Before Each USECheck Reverse Operation ROS System TractorCheck Operator Presence System TiresTo Change Engine OIL EngineLubrication Muffler To Service CartridgeSpark Plugs Movable parts CleaningDeck Washout Port To Install Mower To Remove MowerPrecision SIDE-TO-SIDE Adjustment Visual SIDE-TO-SIDE AdjustmentFRONT-TO-BACK Adjustment To Level MowerTo Replace Mower Drive Belt To Attach Jumper Cables Replacing Battery TransmissionFuel System BatteryOther Engine OILWill not start Problem Cause CorrectionEngine will not turn over Problemcause CorrectionProblem Cause Discharge Headlights not working If so equippedProblem Suggested Guide for Sighting Slopes for Safe Operation Only Ride UP and Down Hill Not Across Hill Degrees MAXMontaje/PreOperaci6n ReglasdeSeguridadEspecificacionesdelProducto Garantia Completa DE CraftsmanAdvertencia FuncionamientoGeneral AdvertenoiaIV. Remolque III. NinosManipulacion Segura DE LA GasolinaPage Acuerdo DE Repuesto Especificaciones DEL ProductoResponsabilidades DEL Cliente 1/40.D. Arandela Rueda delantera de la segadore Tuerca deResorte de Retenci6n Antioscilaci6n Barra LA Corredera Verifique LA BATERiAInstale LA Segadora Arme LA Rueda Calibradora Delan Deslice LA Cortadora DE Cesped Debajo DEL TractorBarra Antibalanceo Instale LOS Eslabones DE LEVAN- Tamiento Traseros CInstale EL Eslabon Delantero E ParaReemplazar LA Correa DE LA Segadora Instale LA Correa EN LA Polea DEL Embrague DEL Motor MRevision DE LA Presion DE LAS Llantas Lista DE RevisionRevision DE LA NIVELACI6N DEL CON Junto @@@ Palanca DE Mando Crucero Familiaricese CON SU TractorSU Tractor Pedal DE Marcha AdelanteComo Usar SU Tractor MientoPara Ajustar LA Altura DE Corte DE Moverse Hacia Adelante Y Hacia AtrasUtilizar EL Mando Crucero LA SegadoraPara Operar EN Cerros Para Operar LA SegadoraPara Parar LAS Cuchillas DE LA Sega Usar EL Sistema DE Funcionamiento ATR,,SMECA.NISMO DE Aviso DE Servicio / Cronometro Para TransportarRemolque DE Carretillas O Otros Acoesorios Agregue GasolinaArranque CON Tiempo Templado 50F/10C Y M,S Para Hacer Arrancar EL MotorCalentamiento Para LA Transmision Automatica Purgar LA Transmision Consejos Para SegarAntes DE Cada USO Recomendaciones GeneralesTabla VI= Rifiez Sistema Func Ionam Iento AT R/,S ROS TractorLlantas Cuidado DE LA CuchillaMotor Lubricacion Limpieza Mang Puerto de Lavado Adaptador de Boq Para Desmontar LA Cortadora DE CIO O DE Hacer AjustesPara Instalar LA Segadora Regulacion DE LA Precision DE Lado Para Nivelar LA SegadoraRegulacion Visual DE Lado a Lado Ajuste DE Delante a ATR,SDE Movimiento Montaje DE LA Correa DE LA SegadoraPara Cambiar LA Correa DE Impulsion Desmontaje DE LA CorreaControl DEL Freno Verifique EL FrenoParaadj Untar LOS Cables DE EM Palm E Para Cambiar EL Fusible TransmisionMotor Para Remover EL Conjunto DEL Capo Y DEL EnrejadoSistema DE Combustible TractorOtros Aceite DEL MotorProblema Causa Correccion ESTRANGULACI6N ChokeIdentificacion DE Problemas ContinuadoCorreccion ProblemaApagado Page Operacion Segura Your Home Our Home

917.28991, 28991 specifications

The Craftsman 28991, also referred to by its model number 917.28991, is a robust lawn mower designed for efficiency and convenience in residential landscaping. This particular model is tailored to meet the diverse needs of homeowners who seek a reliable solution for lawn care.

One of the foremost features of the Craftsman 28991 is its powerful engine. Equipped with a high-performance, gasoline-powered engine, it delivers ample power to tackle various types of grass and terrain. The engine’s design emphasizes reliability, ensuring that users can depend on it without frequent maintenance issues.

The mower includes a versatile cutting deck that is adjustable, offering multiple height settings. This adjustment capability allows users to customize the cutting height to suit their lawn type and personal preferences. Whether you prefer a low trim for a manicured look or a higher cut for a more natural appearance, this mower accommodates those needs effortlessly.

With a focus on user comfort, the Craftsman 28991 features an ergonomic handle. The handle's design is meant to reduce fatigue during extended mowing sessions, allowing for a more pleasant mowing experience. The mower also incorporates a self-propelling mechanism, which makes it easier to maneuver across varying terrains, especially on slopes or uneven ground.

In terms of technology, the Craftsman 28991 offers a bagging option alongside mulching capabilities. The rear bag collects grass clippings, reducing the need for additional yard cleanup, while the mulching feature finely chops the clippings, returning vital nutrients back to the lawn. This dual-functionality promotes a healthier lawn while simplifying the mowing process.

The construction of the Craftsman 28991 highlights durability. Its steel deck is designed to withstand the rigors of frequent use, ensuring longevity while maintaining performance. Additionally, the design includes oversized wheels that enhance traction and maneuverability, making it suitable for navigating tight spaces and obstacles.

Overall, the Craftsman 28991,917.28991 is an exceptional choice for homeowners looking for a dependable, feature-rich mower. With its powerful engine, adjustable cutting deck, ergonomic design, and dual-functioning capabilities, it stands out as a reliable tool for achieving a well-maintained lawn with minimal effort.
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