Sears 917.257651 owner manual Servmce and Adjustments, To Level Mower Housing

Page 20

SERVMCE AND ADJUSTMENTS

TO LEVEL MOWER HOUSING

Adjust the mower while tracto_ is parked on level ground or driveway. Make sure tires are propedy inflated (See "PRODUCT SPEC! FtCATIO NS" on page 3 of this manual). If tires are over or underinf]ated, you will not properly adjust your mower,.

SIDE-TO-SIDE ADJUSTMENT (See Figs. 21 and 22)

o Raise mower to its highest position,

oAt the midpoint of both sides of mower, measure height from bottom edge of mower to ground_ Distance"A" on both sides of mower shoutd be the same or within 1/4" of each other.

. If adjustment is necessary, make adjustment on one side of mower only,

•To raise one side of mower, tighten lift link adjustment nut on that side,.

°To lower one side of mower, loosen lift link adjustment nut on that side,.

NOTE: Three furl turns of adjustment nut will change mower height about 1/8"

•Recheck measurements after adjusting,_

FRONT-TO-BACK ADJUSTMENT (See Figs, 23 and 24)

IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE tF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT tS

NECESSARY, BE SURETOADJUST BOTH FRONT LINKS

EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO- SIDE

BOTTOM EDGE

BOTTOM EDGE

OF MOWER TO

OF MOWER TO

GROUND

 

FIG. 21

LIFT LINKADJUSTMENTNUT

FIG. 22

To obtain the best cutting results, the mower housing should be adjusted so that the front is approximately 1/4" to 3/4" lower than the rear when the mower is in its highest position.

Check adjustment on right side of tractot_ Measure dis- tance "D" directly in front and behind the mandrel at bottom edge of mower housing as shown.

•Before making any necessary adjustments, check that both front links ate equal in length° Both links should be approximately 10-3/8"..

-If links are not equal in length, adjust one link to same length as other link.

°To lower front of mower loosen nut "E" on both front links an equal number of turns

. When distance "D" is 1/4" to 3/4" lower at front than

rear, tighten nuts "F" against trunnion on both front links

•To raise front of mower, loosen nut"F" from trunnion on

both front links. Tighten nut "E" on both front links an equal number of turns.

°When distance "D" is 1/4" to 3/4" lower at front than rear, tighten nut"F" against trunnion on both front links:

•Recheck side-to-side adjustment,

•Recheck side-to-side adjustment.

,, ,,,,

_, ,/

MANDREL

FIG. 23

BOTH FRONT LINKS MUST BE EQUAL IN LENGTH

NUT "E"

NUT "F*'_

FRONT LINKS

TRUNNION

FIG. 24

2O

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Contents Model Safety Rules Safe Operation Practices for Ride-On MowersCustomer Responsibimties Maintenance AgreementLimited 90 DAY Warranty on Battery Contents Performance Aooessor Esand Attach EntsEngine Parts Bag contents shown full size Parts bag contents not shown full sizeAssembly Tools REQU1RED for AssemblyTo Remove Tractor from Carton Before Rolling Tractor OFF SkidHOW to SET UP Your Tractor Prepare Battery See FigInstall Seat See Fig Check for Proper Position of ALL BeltsInstall Battery See Figs UULVentcaps Assemble Gauge Wheels to Mower Deck See FigINSTALL Mulcher Plate See Figs.7A & 7B To Convert to Bagging or DischargingOperation Know Your TractorSee Fig OperatnonTo SET Parking Brake See Fig Before Starting the Engine To Operate Mower See FigTo Operate On Hills Check Engine OIL Level See FigTrash Clean After Each USE OiperatjonMowing T PS To Start Engine See FigFill in Dates Regular Service Service DatesCustome Espon Uties Before Each USECusto Responswb L T ES TractorBrake Operation TiresEngine AIR Filter See FigTransaxle Cooling LubricationCleaning Clean AIR INTAKE/COOLING AreasMuffler Spark PlugsTo Install Mower See Fig To Remove Mower See FigServmce and Adjustments To Level Mower HousingTo Replace Mower Blade Drive Belt See Fig Service AN AdjustmentsTo Adjust Brake See Fig Serwce and Adjustments To Adjust Throttle Control Cable See Fig To Adjust Carburetor See FigPreliminary Setting Final SettingBattery OtherFuel System Engine OILTrouibleshoot NG Points Cause CorrectionTroubleshooting PO NTSSchematic

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.
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