Sears 917.250551 Service, Adjustments, To Replace Mower Blade Drive Belt, To Adjust Brake See Fig

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SERVICE AND

TO REPLACE MOWER BLADE DRIVE BELT

(See Fig. 23)

Park the tractor on level surface, Engage parking brake

•Remove mowerdrive belt (See'q-OREPLACE MOWER DRIVE BELT" in this section of this manual).

Remove mower (See "TO REMOVE MOWER" in this section of this manual),

o Remove four screws from R.H, mandrel cover and

remove cover, Unhook spring from bolt on mower housing

oCarefully roll belt off RH mandrel pulley.

Remove belt from center mandrel pulley, idler pulley, and LH mandrel pulley,

Remove any dirt or grass which may have accumu- lated around mandrels and entire upper deck surface.

Check secondary idler arm and idler to see that they rotate freely

Be sure spdng is hooked in secondary idler arm and sway-bar bracket,

Install new belt in lower groove of L H mandrel pulley, idler pulley, and center mandrel pulley as shown.

Roll belt over R, H, mandrel pulley Make sure belt is in all grooves properly,

Reconnect spring to bolt in mower housing and rein- stall R,H, mandrel cover_

Reinstall mower tetractor(See "TO INSTALL MOWER" in the Assembly section of this manual)

Reassemble mower drive belt (See "TO REPLACE MOWER DRIVE BELT" in this section of this manual

MOWER BLADE

 

DRIVE BELT

CENTER

 

MANDREL

 

MANDREL

 

COVER

SPRING

IDLER'_

SWAY-BAR

BRACKET

FIG, 23

ADJUSTMENTS

ROTORCLUTCH PLATE

NYLON LOCKNUT (3)

BRAKE PLATE

FIG. 24

TO ADJUST BRAKE (See Fig. 25)

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

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

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 1-3/4", loosen jam nut and turn nut "A" until distance becomes 1-3/4" Retighten jam nut against nut "A"

Road 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/departmenL

WITH PARKING BRAKE "ENGAGED"

JAM NUT

ARM

TO ADJUST ATTACHMENT CLUTCH

(See Fig. 24)

The electric clutch should provide years of service The clutch has a built-in brake that stops the pulley within 5

seconds_ Eventually, the internal brake will wear whichFIG. 25 may cause the mower blades to not engage, or, to not stop

as required Adjustments should be made by your nearest authorized service center/department

Make sure attachment clutch and ignition switches are in "OFF" position.

oAdjust the three nylon Iocknuts until space between clutch plate and rotor measures 012" at all three slot locations cut in the inside of brake plate

NOTE: After installing a new electric clutch, run tractor at full throttle and engage and disengage electric clutch 10 cycles to wear in clutch plate

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Contents Model Number 917.250551 Ownersmanual II. Slope Operation Safety is InvolvedIII. Children ExhaustProduct Specifications Maintenance AgreementLimited 90 DAY Warranty on Battery Customer ResponsibilitiesContents Performance Engine MaintenanceContents of Hardware Pack To Remove Tractor from Carton Tools Required for AssemblyUnpack Carton Attach Steering WheelInstall Seat See Fig Check Tire PressureCheck Brake System Install Mower and Drive Belt AssemblyCheck Deck Levelness Check for Proper Position of ALL BeltsChecklist Knowyourtractor OPERATmONTo Adjust Mower Cutting Height HOW to USE Your TractorStopping Turn ignition keyBefore Starting the Engine OperationTo Operate on Hills To TransportTo Start Engine See Fig ADD GasolineGeneral Recommendations Lubrication ChartBefore Each USE REGOLARBYUCOSERV,CEMPLETBBrake Operation TractorTires BeltsTo Clean Battery and Terminals EngineLubrication Clean AIR INTAKE/COOLING Areas CleaningSparkplugs MufflerTo Install Serwce AN AdjustmentsTo Level Mower Housing TractorService Adjustments Adjustments ServiceTo Adjust Brake See Fig To Adjust Attachment ClutchFront Wheel TOE-IN Adjustment To Adjust Steering Wheel AlignmentTo Replace Motion Drive Belt AS Viewed from BottomTo Remove Wheel for Repairs Service and AdjustmentsTo Replace Headlight Bulb To Replace FuseTo Adjust Afachment Lift Spring To Remove Hood and Grill AssemblySee Fig Servuce Adjustments To Adjust Throttle Control CableTo Adjust Choke Control Acceleration Test Final SettingStorage BatteryOther Fuel SystemProblem Cause Troubleshooting PointsCorrection TRO Bleshootrng POmNT$NON-REMOVABLE Removable Connections Wiring Insulated Clips SchematicProperly Secure Your Wiring Tractor - Model NumberWheels & Tires DecalsKEY Part Description KEY PartElectrical Electrical Tractor -- Model NumberPT.O PTO2117 Chassis and EnclosuresUNC KEY Part NO. noBepaib PARTSBAcTOBO0L Ground Drive Repahr PartsSteering Assembly Repair PartsReparr Parts Is----s Engine Tractor - Model NumberSeat Assembly Lift Assembly Tractor ModelKEY Part NO. no Mower Deck KEY Part NO, no REPAaR PartsTransaxle 4197R Axle Shaft 8119M Needle Cylinder HEAD, Valve and Breather Kohler Engine Model Number CV22 PS67515Crankcase 151517 131211Crankcase KEY Part NO. no Cylinder HEAD/VALVE/BREATHER KEY Part DescriptionIgnition / Electrical Blower Housing and Baffles 255AIR Intake Not Illustrated Tractor --MODEL NumberAIR Intake KEY Part NOo NOoDESCRIPTION23-17 Starting SystemStarting System KEY Part Description OIL PAN/LUBRICATION NOoEngine Controls Crankshaft Fuel System610 O36 Crankshaft KEY Part Description Fuel System KEY PartExhaust KEY Part Description Not IllustratedService Notes Service Notes Rvice Notes LIJ For Repair SERVICE, Call this Toll Free Number If YOU Need Repair Service or Parts= Model NUMBER-917.250551 Engine Model NO. 0V22S, Type NO. PS67515

917.250551 specifications

The Sears 917.250551 is a versatile and robust lawn mower that has garnered attention for its reliability and performance in maintaining residential lawns. With a blend of modern technology and user-friendly features, this mower is suitable for homeowners looking to keep their yards in pristine condition.

One of the notable attributes of the Sears 917.250551 is its powerful engine. Equipped with a reliable gas-powered engine, this mower delivers consistent performance, ensuring that even dense grass can be tackled effectively. The engine provides ample torque, which is especially beneficial for cutting through thick patches of grass without bogging down.

The mower features a self-propelling system that makes it easier for users to maneuver across various terrains. This technology allows the mower to adjust its speed based on the user's walking pace, providing a comfortable mowing experience while reducing fatigue. The adjustable speed settings cater to different user preferences and grass conditions, making it a flexible choice for diverse lawn care needs.

Another key feature of the Sears 917.250551 is its cutting deck size. The mower typically boasts a generous cutting width, allowing for faster mowing and fewer passes through your lawn. The cutting height is also adjustable, enabling users to customize the grass length according to their liking or seasonal requirements. This flexibility is crucial during different times of the year, as maintaining the optimal grass height can contribute to a healthier lawn.

In terms of build quality, the Sears 917.250551 is designed to withstand the rigors of outdoor use. Constructed with durable materials, it can handle various weather conditions and rough terrains. Maintenance is made straightforward with accessible parts, ensuring that users can perform routine checks and repairs with minimal hassle.

Furthermore, the mower is designed with safety features in mind. The blade brake system halts the blades' rotation immediately when the user releases the handle, minimizing the risk of accidents. Additionally, the ergonomic handles make it comfortable to operate, and they can often be adjusted for height to accommodate users of different statures.

Overall, the Sears 917.250551 stands out for its combination of power, ease of use, and user-friendly features. Whether you have a small yard or a more significant area to maintain, this mower is designed to deliver efficient and effective results, making it a dependable choice for lawn care enthusiasts.
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