Sears 917.257651 owner manual Cleaning, Clean AIR INTAKE/COOLING Areas, Muffler, Spark Plugs

Page 18

CUSTOMER RESPONSiBiLiTiES

CLEAN AER SCREEN (See Fig. 17)

Air'screen must be kept free of dirt and chaff to prevent engine damage from overheating. Clean with a wire brush

or compressed air to remove dirt and stubborn dried gum fibers.

CLEAN AIR INTAKE/COOLING AREAS

To insure proper cooling, make sure the grass screen, cooling fins, and other external surfaces of the engine are kept clean at all times..

Every 100 hours of operation (more often under extremely dusty, dirty conditions), remove the blower housing and other cooling shrouds Clean the cooling fins and external

surfaces as necessary. Make sure the cooling shrouds are reinstalled.

NOTE: Operating the engine with a blocked grass screen, dirty or'plugged cooling fins, and!or cooling shrouds re- moved will cause engine damage due to overheating.

ENGINE OIL FILTER (See Fig. 18)

Replace the engine oil filter every season or'every other oil change if the tractor is used more than I00 hours in one year

. Drain oil from engine crankcase (See "TO CHANGE ENGINE OIL" in this section of this manual, through step remove drain ptug).

,Remove oil filter and wipe off filter adapter

oApply a thin coating of new engine oil to the rubber gasket on replacement oil filter.

•Install replacement oil filter on filter adapter Turn oil filter clockwise until rubber gasket contacts the filter adapter, then tighten filter an additional 1/2 turn.

oFill crankcase with new oi! (See "TO CHANGE EN-

GINE OIL" in this section of this manual). For approxi- mate capacity see "PRODUCT SPECIFICATIONS" on page 3 of this manual.

•Start the engine and check for oil leaks. Correct any leaks before placing engine into full operation..

OIL FILTER

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M.,...in., ,'11

im,n.ll

I I

MUFFLER

Inspect and replace corroded muffler and spark arrester (if equipped) as it could create a fire hazard and/or damage.

SPARK PLUGS

Replace spark plugs at the beginning of each mowing season or after every 100 hours of operation, whichever occurs first. Spark plug type and gap setting are shown in "PRODUCT SPECIFICATIONS" on page 3 of this manual

IN-LINEFUEL FILTER (See Fig. 19)

The fuel filter should be replaced once each season, If fuel filter becomes clogged, obstructing fuel flow to carburetor, replacement is required.

=With engine cool, remove filter and plug fue! line sections.

•Place new fuel filter in position in fuel line with arrow pointing towards carburetor.

. Be sure there are no fuel line leaks and clamps are properly positioned

o Immediately wipe up any spilled gasoline

CLAMP

CLAMP

FUEL FILTER

FIG. 19

CLEANING

=Clean engine, battery, seat, finish, etc. of all foreign matter.

oKeep finished surfaces and wheels free of all gasoline, oil, etc

. Protect painted surfaces with automotive type wax.

We do not recommend using a garden hose to clean your tractor unless the electrical system, muffler, air filter'and carburetor are covered to keep water out. Water in engine can result in a shortened engine life.

FIG. 18

18

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Contents Model Safety Rules Safe Operation Practices for Ride-On MowersMaintenance Agreement Limited 90 DAY Warranty on BatteryCustomer Responsibimties Contents Aooessor Esand Attach Ents EnginePerformance Parts Bag contents shown full size Parts bag contents not shown full sizeTo Remove Tractor from Carton AssemblyTools REQU1RED for Assembly Before Rolling Tractor OFF SkidInstall Seat See Fig HOW to SET UP Your TractorPrepare Battery See Fig Check for Proper Position of ALL BeltsVentcaps Install Battery See FigsUUL Assemble Gauge Wheels to Mower Deck See FigINSTALL Mulcher Plate See Figs.7A & 7B To Convert to Bagging or DischargingOperation Know Your TractorOperatnon To SET Parking Brake See FigSee Fig To Operate On Hills Before Starting the EngineTo Operate Mower See Fig Check Engine OIL Level See FigMowing T PS Trash Clean After Each USEOiperatjon To Start Engine See FigCustome Espon Uties Fill in Dates Regular ServiceService Dates Before Each USEBrake Operation Custo Responswb L T ESTractor TiresTransaxle Cooling EngineAIR Filter See Fig LubricationMuffler CleaningClean AIR INTAKE/COOLING Areas Spark PlugsTo Install Mower See Fig To Remove Mower See FigServmce and Adjustments To Level Mower HousingService AN Adjustments To Adjust Brake See FigTo Replace Mower Blade Drive Belt See Fig Serwce and Adjustments Preliminary Setting To Adjust Throttle Control Cable See FigTo Adjust Carburetor See Fig Final SettingFuel System BatteryOther Engine OILTrouibleshoot NG Points Cause CorrectionTroubleshooting PO NTSSchematic

917.257651 specifications

The Sears 917.257651 is a riding lawn mower that has gained a reputation for its reliability and efficiency in lawn care. Designed as a versatile solution for both small and medium-sized yards, this mower combines power and ease of use, making it a popular choice among homeowners.

One of the standout features of the Sears 917.257651 is its robust engine. It typically comes equipped with a powerful 17.5 HP Briggs & Stratton engine, which provides ample torque and performance to tackle various mowing conditions. This engine is designed to be fuel-efficient, allowing homeowners to cover more ground without frequent refueling.

The mower utilizes a 42-inch cutting deck, which strikes an excellent balance between maneuverability and cutting width. This size is particularly advantageous for navigating around trees, flower beds, and other obstacles typically found in residential landscapes. The cutting deck also features multiple height adjustments, enabling users to customize their mowing height to achieve the desired lawn appearance.

Ergonomics play a crucial role in the design of the Sears 917.257651. The operator's seat is designed for comfort, featuring ample padding and adjustable settings to accommodate various user preferences. Additionally, the model incorporates a user-friendly steering wheel that enhances maneuverability, making it easy to navigate tight corners.

The mower is equipped with a hydrostatic transmission, which allows for smooth speed adjustments without the need for manual shifting. This feature provides intuitive control, enabling the operator to focus on mowing without worrying about gear changes.

The Sears 917.257651 also includes a range of safety features, such as a seat switch that ensures the mower will not operate if the driver leaves the seat. This helps prevent accidents and enhances overall safety during operation.

With its combination of powerful performance, ergonomic design, and user-friendly features, the Sears 917.257651 stands out as a reliable choice for homeowners seeking to maintain their lawns efficiently. Whether tackling overgrown grass or performing regular lawn maintenance, this riding mower offers the strength and flexibility necessary to get the job done right. Its enduring popularity in the market is a testament to its build quality, technological innovation, and user-centered design.
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