SERVICE AND ADJUSTMENTS

tl

i

i

,,,ll,ll,,i

FRONT-TO-BACK ADJUSTMENT (See Figs. 20 and 21)

IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF THE FOLLOWING FRONT-TO*BACK ADJUSTMENT IS

NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO-SIDE..

To obtain the best cutting results, the mower housing should be adjusted so the front is approximately 1/8" to 1/2" lower than the rear when the mower is in its highest position.

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

Before making any necessary adjustments, check that both front links are equal in length°

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

To lower front of mower housing, loosen nut"G"on both front links an equal number of turns,

When distance "F" is t/8" to 1/2" lower at front than rear, tighten nut"H" against trunnion on both front links,

To raise front of mower housing, loosen nut "H"from trunnion on both front links. Tighten nut "G" on both front links an equal number of turns.

When distance "F" is 1/8" to 1/2" lower at front than

rear, tighten nut "H" against trunnion on both front links..

NOTE: Each full turn of nut "G" will change dim. "F" by approximately 3/8"o

Recheck side-to-side adjustment..

FIG. 20

TO REPLACE MOWER DRIVE BELT

MOWER DRIVE BELT REMOVAL (See Fig_22)

Park tractor on a level surface._Engage parking brake_

Remove four screws from LoHo mandrel cover and remove cover.

Roll bert over the top of Loll.,mandrel pulley.

Remove belt from electric clutch pulley.

Remove belt from idler pulleys.

Remove any dirt or grass clippings which may have accumulated around mandrels and entire upper deck surface_

Check primary idler arm and two idlers to see that they rotate freely,.

Be sure spring is securely hooked to primary idler arm and bolt in mower housing.

MOWER DRIVE BELT INSTALLATION (See Fig..22)

Install belt in both idlers.. Make sure belt is in both belt keepers at the idlers as shown.

=Install new belt onto electric clutch pulley.

Roll belt into upper groove of L.H. mandrel pulley.

Carefully check belt routing making sure belt is in the grooves correctly and inside belt keepers.

Reassemble L_H. mandrel cover.

 

 

 

ELECTRIC

LHo

SCREWS

SPRING

CLUTCH

MANDREL

 

 

PULLEY

COVER

 

 

 

BOTH FRONT LINKS SHOULD BE EQUAL IN LENGTH

 

BOLT IN

 

MOWER

='] _

 

HOUSING

 

 

 

MANDREL

 

 

MOWER

 

 

DRIVE BELT

BELT

 

 

 

 

KEEPER

==G _

FIG. 22

NUT "H

FRONT LINKS

FIG. 21

22

Page 22
Image 22
Sears 917.25049 owner manual Service and Adjustments, To Replace Mower Drive Belt, Mower Drive Belt Removal See Fig22

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.