Sears 917.257651 owner manual Service AN Adjustments, To Replace Mower Blade Drive Belt See Fig

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SERVICE AN

ADJUSTMENTS

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TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 25)

The mower blade drive belt may be replaced without tools. Park the tractor on level surface° Engage parking brake_,

WITH PARKING BRAKE "ENGAGED"

BELT REMOVAL -

Remove tractor from mower (See "TO REMOVE MOWER" in this section of this manual).

Work belt off both mandrel pulleys and idler pulley,

Pull belt away from mower,

BELT INSTALLATION -

Install new belt in reverse order of removal.

-Make sure belt is in all pultey grooves and inside all belt guides.

MANDRELIDLER

PULLEY

NUT "A"

JAM NUT

,/

OPERATING

ARM

,\

MANDREL

PU LLEY

FIG. 25

TO ADJUST BRAKE (See Fig. 26)

Your tractor is equipped with an adjustable brake system which is mounted on the right side of the transaxle.

If tractor requires more than six (6) feet stopping distance at high speed in highest gear, then brake must be adjusted.

°Depress clutch/brake pedal and engage parking brake

. Measure distance between brake operating arm and nut "A" on brake rod

-If distance is other than 1-1/2", loosen jam nut and turn nut "A" until distance becomes 1-1/2", Retighten jam nut against nut "A",

oRoad test tractor for proper stopping distance as stated above Readjust if necessary, If stopping distance is still greater than six (6) feet in highest gear, further maintenance is necessary. Contact your nearest au- thorized service center/department

FIGo 26

TO REPLACE MOTION DRIVE BELT

(See Fig. 27)

Park the tractor on level surface, Engage parking brake, For assistance, there is a belt installation guide decal on bottom side of left footrest,

-Remove mower (See 'q'OREMOVE MOWER" in this section of this manual )

o Remove upper belt keeper.

. Remove belt from stationary idler and clutching idler

. Pull belt slack toward rear of tractor, Remove belt

upwards from transaxte pulley by deflecting belt keep- ers.

', Pull belt toward front of tractor and remove downwards from around engine pulley

°Install new belt by reversing above procedure.,

IMPORTANT: MAKE SURE UPPER BELT KEEPER IS POSITIONED PROPERLY BETWEEN LOCATOR TABS

ENGINE

PULLEY

CLUTCHING

IDLER

STATIONARY

IDLER

_

II

KEEPER

TRANSAXLE

PULLEY

FIG. 27

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Contents Model Safe Operation Practices for Ride-On Mowers Safety RulesMaintenance Agreement Limited 90 DAY Warranty on BatteryCustomer Responsibimties Contents Aooessor Esand Attach Ents EnginePerformance Parts bag contents not shown full size Parts Bag contents shown full sizeTools REQU1RED for Assembly AssemblyTo Remove Tractor from Carton Before Rolling Tractor OFF SkidPrepare Battery See Fig HOW to SET UP Your TractorInstall Seat See Fig Check for Proper Position of ALL BeltsUUL Install Battery See FigsVentcaps Assemble Gauge Wheels to Mower Deck See FigTo Convert to Bagging or Discharging INSTALL Mulcher Plate See Figs.7A & 7BKnow Your Tractor OperationOperatnon To SET Parking Brake See FigSee Fig To Operate Mower See Fig Before Starting the EngineTo Operate On Hills Check Engine OIL Level See FigOiperatjon Trash Clean After Each USEMowing T PS To Start Engine See FigService Dates Fill in Dates Regular ServiceCustome Espon Uties Before Each USETractor Custo Responswb L T ESBrake Operation TiresAIR Filter See Fig EngineTransaxle Cooling LubricationClean AIR INTAKE/COOLING Areas CleaningMuffler Spark PlugsTo Remove Mower See Fig To Install Mower See FigTo Level Mower Housing Servmce and AdjustmentsService AN Adjustments To Adjust Brake See FigTo Replace Mower Blade Drive Belt See Fig Serwce and Adjustments To Adjust Carburetor See Fig To Adjust Throttle Control Cable See FigPreliminary Setting Final SettingOther BatteryFuel System Engine OILCause Correction Trouibleshoot NG PointsPO NTS TroubleshootingSchematic

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.