Sears 917.25147 owner manual Preliminary Setting, Final Setting, Acceleration Test

Page 25

SERVICE ADJUSTMENTS

With engine not running, move choke control (located on dash panel) to full choke (Ikl) position.

Remove air cleaner cover, filter and cartridge plate to expose carburetor choke (see "AIR FILTER" in the Customer Responsibilities section of this manua0.

Choke shouldbeclosed, lfit isnot, oosencasingclamp screw and move choke cable until choke is completely closed. Tighten casing c_amp screw securely.

Reassemble a_rcleaner.

CHOKE CLOSED _,

_CHOKE

LEVER

FiG. 29

TO ADJUST CARBURETOR (See Figs. 30 & 31)

The carburetor nas been oreset at me factory and adjust- ment should not De necessary, However. minor adjust- ment may De required to co mpensate for differences infuel. temperature, altitude or load. If the carburetor does need adjustment, proceed as follows:

Ir =c,,eral. turning [he _,,,..... screw in {clockwise de-

creases the supply of fuel to the engine gwing a leaner fuel/ air mixture. Turning the mixture screw out (counterclock-

wise} increases the supply of fuel to the engine giving a richer fuel/air mixture.

IMPORTANT: DAMAGE TO THE NEEDLES AND THE

SEATS '4CARBURETOR MAY RESULT _= SCREW S TURNED tN TOOTIGHT.

PRELIMINARY SETTING

Be sure you nave a clear air filter ana me mrottle control cable ana cnoKe are aajustea properly ,see aoove,.

With engine off turn idle mixture screw in (clockwise) closing it finger tight and then turn out (counterclock- wise) 1-1/4 to 1-!/2 t!!ms.

FINAL SETTING -

Start engine and allow to warm for five minutes. Make final adjustments with engine running and shift/motion control lever in neutral (N) position.

With throttle control lever in slow (,_!) position, hold throttle lever against idle speed screw and adjust idle speed screw to obtain 1200 to 1400 RPM.

While still holding throttle lever against idle speed screw, turn idle mixture screw in (clockwise) unti engine begins to die and then turn out (counterclock- wise) until engine runs rough. Turn screw to a point midway between those two positions,

Continue to hold throttle lever against idle speea screw and adjust _o_eseeed screw to obtain 900 to 1200 RPM. Release throttle lever.

ACCELERATION TEST -

Move throttle control lever from slow (,_) to fast (,_,) position. If engine hesitates or dies. turn idle mixture screw out ,counterclockwise 1/8 turn. Repeat test and continue to adjusL if necessary, until engine accel- erates smooth y.

.High speed S,OD iS factory adjusted Do not aajusz - aamage may result.

IMPORTANT: NEVER TAMPER WITH THE ENB NE

GOVERNOR WHICH q FACTORY SET FOR PROPER ENGINE SPEED OVERSPEEDINGTHEENGINEABOVE

THE FACTORY HIGH SPEED SETTING CAN BE

DANGEROUS IF YOU THINK THE ENGINE-GOVERNED

HIGH SPEED NEEDS ADJUSTING. CONTACT YOUR

NEAREST AUTHORIZED SERVICE CENTER/

DEPARTMENT WHICH HAS PROPER EQUIPMENT AND

EXPERIENCE TO MAKE ANY NECESSARY ADJUSTMENTS

SCREW

DLE SPEED

SCREW

FIG. 30

IDLE SPEED

_--'

- ./----(_-_

SCREW

THROTTLE /

IDLE MIXTURE

LEVER

SCREW

FIG. 31

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Contents Model Number 917.251470 Ownersmanual RnFTZM aNII, Slope Operation Safe Operation Practices for Ride-On MowersReproductive harm Limited 90 DAY Warranty on Battery Maintenance AgreementCustomer Responsibilities ThemodelandserialnumberswillbefoundINDEX Engine Maintenance Accessories and AttachmentsPerformance Contents of Hardware Pack Connect Battery See Fig Tools Required for AssemblyTo Remove Tractor from Carton Before Rolling Tractor OFF SkidInstall Seat See Fig AssemblyCheck Tire Pressure Check Brake SystemCheck for PRC2ER Position of ALL Belts Install Mower and Drive Belt See FigsCheck Mower Levelness Checklis T Lock OperationKnow Your Tractor Peration HOW to USE Your TractorTo Move Forward and Backward To Operate Mower See Fig Before Starting the EngineTo Operate on Hills To TransportTo Start Engine See Fig Mowing TipsLubrication Chart Maintenance ScheduleCustomer Responsibilities General RecommendationsTractor BatteryBrake Operation Blade CareBelts EngineTransaxle Cooling LUBRiCATiONSparkplugs CleaningIN-LINEFUEL Filter See Fig MufflerTo Install Mower Service AdjustmentsTo Remove Mower See Fig To Level Mower Housing Service and AdjustmentsBoth Front Links Must be Equal in Length To Replace Mower Drive Belt To Adjust Brake See FigTo Replace Motion Drive Belt Transaxle Shifter Linkage and AD To Adjust Steering Wheel AlignmentJustment See Figs To Remove Wheel for Repairs See FigTo Adjust Choke Control See Fig To Adjust Throttle Control CableTo Replace Headlight Bulb Final Setting Preliminary SettingAcceleration Test Other TractorFuel System Engine OiLTroubleshooti Points Problem Cause CorrectionCorrection Problem CauseTractor = Model Number 9!7.251470 SchematicElectrical Tractor - Model Number2O33 Description KEY Part NO. noChassis Tractor - Model Number 9!7.251470Chassis Tractor = Model NumberKEY 136813Drive Tractor - Model NumberPart KEY KEYTractor -- Model Number 917,251470 Steering AssemblyKEY Part Description Steering AssemblyEngine KEY Part NO. NO. Description Tractor -- Model Number Seat AssemblyKEY Part Wheels & Tires DecalsNO. no Part3622 Seat121006X Mower LiftMower Deck Tractor -- Model NumberDESCRiPTiON KEY Part NO, no\..7 776291 2T,=eth f54Engine B&S Model Number 460777, Type Number 642 535 Engine B&S Model Number 460777, Type Number165 284 6634305 978 332 116A O8O2 Tractor = Model Number005 Magnetron KEY PartOmeonent dmenslons Service Note Not Across HiLL Only Ride UP and Down HillSighting Guide Sight and Hold this Level with SKY Line or TreeFollowing iNFORMATiON Owners ManualPart Number Partription

917.25147 specifications

The Sears 917.25147 is a notable model within the realm of lawn care and outdoor maintenance, specifically recognized for its versatility and reliability as a garden tractor. Designed for both homeowners and gardening enthusiasts alike, this model has garnered a reputation for its efficient performance and user-friendly features.

One of the standout characteristics of the Sears 917.25147 is its powerful engine. Equipped with a robust 18.5 HP Briggs & Stratton engine, this tractor ensures ample power for a variety of tasks, from mowing the lawn to hauling lighter loads. The engine's design emphasizes durability and efficiency, providing consistent performance that can tackle even the most challenging terrains.

The cutting deck of the Sears 917.25147 is another feature that deserves highlighting. With a 42-inch cutting width, it is ideally suited for medium to large lawns. This size strikes a balance between efficiency and maneuverability, allowing users to make quick work of their mowing duties while still navigating through tight spaces and shrubs. The deck also features adjustable cutting heights, which range from one to four inches, giving users the flexibility to customize their mowing experience based on grass type and desired lawn appearance.

In terms of comfort and convenience, the Sears 917.25147 is designed with the user in mind. The high-back seat offers ample support for extended mowing sessions, while the ergonomic controls are easy to reach and operate. The hydrostatic transmission system contributes to a seamless driving experience, allowing users to easily adjust their speed without the need for frequent gear changes.

Another technological advancement in the Sears 917.25147 is its integrated cutting system, which helps ensure an even and clean cut. This feature not only enhances the aesthetic appeal of freshly mowed grass but also promotes healthier lawn growth by preventing scalping.

Moreover, maintenance has been made easier with accessible components that can be serviced without the need for specialized tools. The tractor's compact design also facilitates storage, making it a practical addition to any home or garden.

In conclusion, the Sears 917.25147 lawn tractor combines power, efficiency, and user-friendly features, making it an excellent choice for anyone looking to maintain their outdoor space with ease. Its blend of quality construction, technological enhancements, and comfort-focused design positions it as a reliable partner for gardening endeavors.
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