Sears 917.250551 manual Tractor, Brake Operation, Tires, Belts, Transaxle Cooling

Page 16

CUSTOMER RESlPONSIB L TIES

TRACTOR

Always observe safety rules when performing any rrrainte- nance.

BRAKE OPERATION

If tractor requires more than six (6) feet stopping distance at high speed in highest gear, then brake must be adjusted. (See "TO ADJUST BRAKE" in the Service and Adjust- ments section of this manual)_

TIRES

Maintain proper air pressure in all tires (See "PROD- UCT SPECIFICATIONS" on page 3 of this manual)

Keep tires free of gasoline, oil, or insect control chemi- cals which can harm rubber

oAvoid stumps, stones, deep ruts, sharp objects and other hazards that may cause tire damage

BLADE CARE

For best results mower blades must be kept sharp, Re- place bent or damaged blades

BLADE REMOVAL (See Fig. 11)

oRaise mower to highest position to allow access to blades

Remove hex bolt, lock washer and flat washer securing blade

Install new or resharpened blade with trailing edge up towards deck as shown.

Reassemble hex bolt, lock washer and flat washer in exact order as shown.

Tighten bolt securely (30-35 FL Lbs torque).

IMPORTANT: BLADE BOLT IS GRADE 8 HEAT TREATED

NOTE: We do not recommend sharpening blade- but if you do, be sure the blade is balance&

oThe blade can be sharpened with a file or on a grinding wheel Do not attempt to sharpen while on the mower

oTo check blade balance, you will need a 5/8" diameter steel bolt, pin, or a cone balancer. (When using a cone balancer, follow the instructions supplied with bal- ancer)

=Slide blade on to an unthreaded portion of the steel bolt or pin and hold the bolt or pin parallel with the ground. If blade is balanced, it should remain in a horizontal position If either end of the blade moves downward, sharpen the heavy end until the blade is balanced.

NOTE: Do not use a nail for'balancing blade The lobes of the center hole may appear to be centered, but are not.

CENTER HOLE

5/8" BOLT

BLADE

OR PIN

FIG. 12

V-BELTS

Check V-belts for deterioration and wear after 100 hours

and replace if necessary. The belts are not adjustable Replace belts if they begin to slip from wear_

TRANSAXLE COOLING

Keep transaxle free from build-up of dirt and chaff which can restrict cooling

CHECK TRANSAXLE OIL LEVEL

(See Fig. 13)

BLADE

MANDREL

oBlock up rear axle securely

Remove left rear wheel by removing hub bolts.

TRAILING

EDGE UP

LOCK WASHER_

HEX BOLT

*A GRADE 8 HEAT TREATED BOLT CAN BE IDENTIFIED BY SIX LINES ON THE BOLT HEAD,

FIG. 11

TO SHARPEN BLADE (See Fig. 12)

care should be taken to keep the blade balance& An unbalanced blade will cause excessive vibration and even-

tual damage to mower and engine.

Remove filler plug from transaxle. Oil level must be even with plug threads. If necessary, fill with SAE 30 motor oil, API-SF or SG Replace filler plug.

°Reassemble wheel to hub.

For approximate capacity see "PRODUCT SPECIFI- CATIONS" on page 3 of this manual.

 

 

TRANSAXLE

o

J

FILLER PLUG

 

o °

 

i

FIG. 13

16

Image 16
Contents Model Number 917.250551 Ownersmanual Safety is Involved II. Slope OperationIII. Children ExhaustMaintenance Agreement Product SpecificationsLimited 90 DAY Warranty on Battery Customer ResponsibilitiesContents Engine Maintenance PerformanceContents of Hardware Pack Tools Required for Assembly To Remove Tractor from CartonUnpack Carton Attach Steering WheelCheck Tire Pressure Install Seat See FigCheck Brake System Assembly Install Mower and Drive BeltCheck Deck Levelness Check for Proper Position of ALL BeltsChecklist OPERATmON KnowyourtractorHOW to USE Your Tractor To Adjust Mower Cutting HeightStopping Turn ignition keyOperation Before Starting the EngineTo Operate on Hills To TransportADD Gasoline To Start Engine See FigLubrication Chart General RecommendationsBefore Each USE REGOLARBYUCOSERV,CEMPLETBTractor Brake OperationTires BeltsEngine To Clean Battery and TerminalsLubrication Cleaning Clean AIR INTAKE/COOLING AreasSparkplugs MufflerSerwce AN Adjustments To InstallTo Level Mower Housing TractorService Adjustments Service AdjustmentsTo Adjust Brake See Fig To Adjust Attachment ClutchTo Adjust Steering Wheel Alignment Front Wheel TOE-IN AdjustmentTo Replace Motion Drive Belt AS Viewed from BottomService and Adjustments To Remove Wheel for RepairsTo Replace Headlight Bulb To Replace FuseTo Remove Hood and Grill Assembly To Adjust Afachment Lift SpringSee Fig To Adjust Throttle Control Cable Servuce AdjustmentsTo Adjust Choke Control Final Setting Acceleration TestBattery StorageOther Fuel SystemTroubleshooting Points Problem CauseTRO Bleshootrng POmNT$ CorrectionSchematic NON-REMOVABLE Removable Connections Wiring Insulated ClipsProperly Secure Your Wiring Tractor - Model NumberDecals Wheels & TiresKEY Part Description KEY PartElectrical Tractor -- Model Number ElectricalPT.O PTOChassis and Enclosures 2117KEY Part NO. no UNCBepaib PARTSBAcTOBO0L Repahr Parts Ground DriveRepair Parts Steering AssemblyReparr Parts Is----s Tractor - Model Number EngineSeat Assembly Tractor Model Lift AssemblyKEY Part NO. no Mower Deck REPAaR Parts KEY Part NO, noTransaxle 4197R Axle Shaft 8119M Needle Kohler Engine Model Number CV22 PS67515 Cylinder HEAD, Valve and BreatherCrankcase 151517 131211Cylinder HEAD/VALVE/BREATHER KEY Part Description Crankcase KEY Part NO. no255 Ignition / Electrical Blower Housing and BafflesAIR Intake Tractor --MODEL Number Not IllustratedAIR Intake KEY Part NOo NOoDESCRIPTIONStarting System 23-17NOo Starting System KEY Part Description OIL PAN/LUBRICATIONEngine Controls Fuel System Crankshaft610 O36 Fuel System KEY Part Crankshaft KEY Part DescriptionExhaust KEY Part Description Not IllustratedService Notes Service Notes Rvice Notes LIJ If YOU Need Repair Service or Parts For Repair SERVICE, Call this Toll Free Number= 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.