Sears 917.25049 To Adjust Throttle Control Cable See Figs, 34, To Adjust Carburetor See Fig

Page 27

SERVmCE AN ADJUSTMENTS

.......uJ

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"

::

ENGINE

TO ADJUST THROTTLE CONTROL CABLE (See Figs, 34 & 35)

The throttle control has been preset at the factory and adjustment should notbe necessary.. Checkadjustment as described below before loosening cable. If adjustment is necessary, proceed as follows:

oWith engine not running, move throttle control lever to fast (,_) position°

,Checkthat speed control lever is against stop screw, if it is not, loosen casing clamp screw and put! throttle cable until lever is against screw. Tighten clamp screw securely.

TO ADJUST CARBURETOR (See Fig. 36)

The carburetor has been preset at the factory and adjust_ merit should not be necessary,, However, minor adjustment may be required to compensate for differences in fuel, temperature, altitude or load. If the carburetor does need adjustment, proceed as follows:

In general, turning the adjusting needles in (clockwise) decreases the supply of fuel to the engine giving a leaner fueVair mixture. Turning the adjusting needles out (coun- tercleckwise) increases the supply of fuel to the engine giving a richer fuel/air mixture.

IMPORTANT: DAMAGE TO THE NEEDLES AND THE SEATS IN CARBURETOR MAY RESULT IF SCREW {S

TURNED IN TOO TIGHT.

PRELIMINARY SETTING -

=Be sure you have a clean air filter, and the throttle control cable is adjusted properly (see above)°

°With engine off turn idle fuel adjusting needle in (clock- wise) closing it finger tight and then turn out (counter- clockwise) 1o114turns.

°Turn main fuel adjusting needle in (clockwise) closing fingertight and then turn out (counterclockwise) 1turn

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 infast (,t_) position, turn main fuel adjusting needle in (clockwise) until engine begins to die then turn out (counterclockwise) until engine runs rough° Turn needle to a point midway between those two positions.

°Idle sDee.dsetting - With throttle control lever in slow (,,_) position, engine should idle at 1400 RPM If engine idles too slow or fast, turn idle speed adjusting screw in or out until correct idle is attained..

. Idle fuel needle setting - With throttle control lever in slow (,,€_) position, turn idle fuel adjusting needle in (clockwise) until engine begins to die and then turn out (counterclockwise) until engine runs rough. Turn needle to a point midway between those two positions.

oRecheck idle speed. Readjust if necessary.

illlll ,Hl_J,i

I ' i

ACCELERATIONTEST-

oMove 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 cont{nue to adjust, if necessary, until engine acceler- ates smoothtyo

High speed stop is factory adjusted_ Do not adjust-damage may result,

IMPORTANT: NEVER TAMPER WITH THE ENGINE GOVERNOR, WHICH IS FACTORY SET FOR PROPER ENGINE SPEED. OVERSPEEDLNG THE ENGINE ABOVE

THE FACTORY HIGH SPEED SETTING CAN BE DANGEROUS. IF YOU THINK THE ENGINE-GOVERNED

HLGH SPEED NEEDS ADJUSTING, CONTACT YOUR

NEAREST AUTHORIZED SERVICE CENTER/ DEPARTMENT, WHICH HAS PROPER EQUIPMENT AND

EXPERIENCE TO MAKE ANY NECESSARY ADJUSTMENTS..

CASING

STOP SCREW

SPEED CONTROL

 

 

LEVER

THROTTLE

CONTROL

CABLE

FIG. 34

STOP

SCREW

SPEED

CONTROL

LEVER

FIG. 35

IDLE SPEED

o_ _

IDLEFUEL

27

FIG. 36

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Image 27
Page 26 Page 28
Contents Model Slope Operation Safe Operation Practices for Ride-On MowersLimited 90 DAY Warranty on Battery Maintenance AgreementProduct Specifications Limited TWO Year Warranty on Craftsman Riding EquipmentFable of Contents ACCESSORME$ a Attach Ents Engine MaintenancePerformance Contents of Hardware Pack To Roll Tractor OFF Skid See Fig Tools Requdred for AssemblyBefore Rolling Tractor OFF Skid Attach Steering Wheel See FigCheck Tire Pressure HOW to SET UP Your TractorConnect Battery See Fig Install Seat See FigCheck for Proper Position of ALL Belts Check Deck LevelnessChecklist Lock OPERATmONKnow Your Tractor Stopping See Fig HOW to USE Your TractorTo Adjust Mower Cutting Height See Fig To SET Parking Brake See FigTo Transport See Figs To Adjust Gauge Wheels See FigTo Operate on Hills To Operate Mower See FigsTo Start Engine See Fig Before Starting the EngineCheck Engine OIL Level See Fig ADD GasolineMowing Tips Purge TransmissionFreewheel lever while the engine is run General Recommendations Before Each USE Lubrication ChartMaintenance Schedule CustoBlade Care Tractor To Sharpen BladeBrake Operation TiresTransaxle Pump Fluid Clean AIR Screen See FigEngine Transaxle CoolingSpark Plugs CustomerNsibilities Engine OIL FilterTo Remove Mower See Fig To Install MowerTo Level Mower Housing Height about 3/16 Recheck measurements After adjustingBoth Front Links should be Equal in Length Service and AdjustmentsTo Replace Mower Drive Belt Mower Drive Belt Removal See Fig22To Adjust Brake See Fig To Adjust Attachment ClutchTo Replace Mower Blade Drive Belt See Fig To Adjust Motion Control Lever To Adjust Steering Wheel AlignmentSee Fig Front Wheel Camber Ervjce AN AdjustmentsFront Wheel TOE-IN Adjustment To Start Engine with a Weak BatteryInterlocks and Relays To Adjust Attachment Lift SpringTo Remove Hood and Grill Assembly To Replace Headlight BulbFinal Setting To Adjust Throttle Control Cable See Figs, 34To Adjust Carburetor See Fig Preliminary SettingFuel System BatteryTractor OtherTroubleshooti Points Problem Cause CorrectionProblemcause Troubleshooting PointsShould be Replaced to Properly Secure Your WiringClips Were Removed for Servicing of UNIT, TheyElectrical Repair Parts43 145673 Solenoid KEY Part Description471205 17/ 41 102 Chassis and Enclosures142992 14473774760616 73680600MODLNUMBIS17.2SO4so 73800500 Ground Drive7070E Key 1/4 x 7563R Washer Thrust Axle Harden Cap PlungerSteering Assembly 73901000 Repair Parts\ \ Engine Tractor - Model NumberMower Deck Nut, Fig Top Lock Cntr 9/t6 KEY Part NO. noSeat Assembly 245 1112 Tube, Front Service Item OnlyDecals Wheels & Tires12\ 2O 19 Lift Assembly73350800 Rod, Adj LiftSpring Assist Tractor -- Model Number 142927 Hydro Gear Transaxle - Model NumberKEY Part NO. no Description 142878Hydro Gear Pump Model Number BU-10L-118 Tractor --MODEL NumberKohler ENGINE- Model Number MV18S, Type Number BreatherandVENT Breather & Vent KEY Part Description Kohler Engine Model Number MV18S, Type NumberAIR Intake KEY Part Description Baffles & Shroud KEY Part DescriptionP14 Not Illustrated Crankcase Carburetor KEY Part NO. no Descripon DescriptionU Ti Not Illustrated -.25 450 Exhaust KEY Part CrankshaftElectric Starter KEY Part Description KEY Part NO. no Dipstick KEY Part Description+LYWHEEtI Fuel Pump KEY Partdescription No no Flywheel KEY Part NO. noGovernor KEY Part 52 078OIL Filter Piston ROD OIL Switch J Camshaft and ValvesPiston & ROD KEY Part NO. no LOW OIL Pressure SwitchOIL PAN KEY Part OIL Filter KEY Part NO. noServ Notes Page 15 MAX Only Ride UP and Down Hill Not Across HillSight and Hold this Level with SKY Line or TreeModel Number Engine Model NO. MV18S-58560 If YOU Need Repair Service Or PartsOwners Manual 800473-7247

917.25049 specifications

The Sears 917.25049 is a notable lawn tractor that has garnered attention for its reliability and performance in residential lawn care. Designed primarily for homeowners who require an efficient means of maintaining their lawns, this model combines user-friendly features with robust technology to deliver an exceptional mowing experience.

At the heart of the Sears 917.25049 is its powerful engine, typically a 17.5-horsepower Briggs & Stratton overhead valve engine. This engine is known for its durability and efficiency, enabling the tractor to handle various terrains with ease. The consistent power output allows for optimal performance, making it suitable for mowing various grass types and tackling uneven landscapes.

One of the standout features of the Sears 917.25049 is its 42-inch cutting deck. This is an ideal size for residential properties, striking a balance between maneuverability and cutting efficiency. The deck design allows for side discharging, bagging, or mulching, providing users with multiple options for handling grass clippings based on their preferences and lawn care strategies.

The mower deck is equipped with adjustable cutting heights, offering several options between one and four inches. This adaptability enables homeowners to customize their mowing height based on seasonal needs, ensuring a healthy lawn throughout the year. The easy-to-use lever for adjusting the cutting height makes this process quick and convenient.

In terms of technology, the Sears 917.25049 features a hydrostatic transmission system. This technology allows for smooth acceleration and provides seamless changes in speed without the need for clutching. Users can enjoy a more intuitive driving experience, particularly when navigating tight spaces or turning corners.

The tractor also has a comfortable operator station, equipped with a spacious and well-padded seat that ensures comfort during extended mowing sessions. The steering system is designed for ease of handling, allowing for quick and responsive turning capabilities. Safety features include an operator presence control, which ensures the mower engine shuts off if the operator leaves the seat unexpectedly.

In conclusion, the Sears 917.25049 lawn tractor is an excellent choice for homeowners seeking a robust and reliable machine for lawn care. With its powerful engine, versatile cutting deck, user-friendly design, and advanced technologies, it stands out as a dependable tool for maintaining a beautiful lawn throughout the seasons.
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