......................................:.//,ii

AND ADJUSTM

TO REPLACE MOWER BLADE DRIVE BELT

WITHPARKINGBRAKE "ENGAGED"

 

(See Fig. 25)

The mower blade drive belt may be replaced without toots_

Park the tractor on level surface° Engage parking brake.

BELT REMOVAL -

Place attachment clutch in "DISENGAGED" position,

°Move attachment lift lever forward to lowermowerto its _owestposition°

Roll belt off engine pulley_

o Work bett off both mandrel pulleys and idler'pulley.

oPull belt away from mower.

BELT INSTALLATION -

• {nstall new belt in reverse order of removal.

=Make sure belt is inalt pulley grooves and insideall belt guides,

MANDRELIDLER

PULLEYPULLEY

MANDREL

PULLEY

FIG. 25

TO ADJUST BRAKE (See Fig. 26)

Your tractor'is equipped with an adjustable brake system which is mounted on the right side of the transaxle,

If tractor requires more than six (6) feet stopping distance at high speed in highest gear, then brake mustbe adjusted°

oDepressclutch,'10rakepedaland engage parkingbrake°

Measure distance between brake operating arm and nut "A" on brake rod.

°If distance is other than 1-1/2",disengage parking brake, loosen jam nut and turn nut "A" until distance becomes 1-1/2". Retighten jam nut against nut "A".

°Engage parking brake and recheck distance.

°Road test tractorfor properstoppingdistanceas stated above., Readjust if necessary. If stopping distance is still greater than six (6) feet in highest gear',further maintenance is necessary_. Contact your nearest au- thorized service center_'department_

NUT "A"

AM NUT

TING ARM

FIG. 26

TO REPLACE MOTION DRIVE BELT (See Fig. 27)

Park the tractor on level surface° Engage parking brake,_ For assistance, there is a belt installation guide decal on bottom side of left footrest,

Remove mower (See 'q'OREMOVE MOWER" in this section of this manuaL)

°Remove upper belt keeper,

°Remove beR from stationary idler and clutching idler_

°Pull belt slack toward rear of tractor, Remove belt

upwards from transaxle pulley by deflecting belt keep-

ers,,

°Pul]belt toward front of tractorand remove downwards from around engine pulley.

°Install new belt by reversing above procedure.,

IMPORTANT; MAKE SURE UPPER BELT KEEPER IS POSITIONED PROPERLY BETWEEN LOCATOR TABS.

 

 

 

 

LOCAi'OR

CLUTCHING

 

 

TABS

 

 

 

IDLER

 

 

 

 

 

 

 

 

UPPER BELT

STATIONARY

 

 

KEEPER

"*""

 

 

IDLER

 

 

 

 

TRANSAXLE

 

 

 

 

PULLEY

"

"_,

°

.

0

FIG, 27

22

Page 22
Image 22
Sears 917.257643 Adjustm, To Adjust Brake See Fig, To Replace Motion Drive Belt See Fig, To Replace Mower Blade Drive Belt

917.257643 specifications

The Sears 917.257643 is a notable riding lawn mower model that represents a blend of performance, reliability, and user-friendly features. This machine is designed to cater to homeowners seeking a robust solution for lawn care. Among its main features, the 917.257643 boasts a powerful engine that provides sufficient horsepower to handle even tougher mowing conditions. This ensures that it can tackle both small and expansive yards with ease.

One of the essential characteristics of the Sears 917.257643 is its cutting system. It typically comes equipped with a wide cutting deck, which allows for a broader swath of grass to be cut in a single pass. This feature not only enhances efficiency but also reduces the overall mowing time. The adjustable cutting height is another significant advantage, allowing users to select the desired grass length based on seasonal requirements or personal preference.

In terms of technology, the Sears 917.257643 incorporates ease of operation into its design. The intuitive control panel is easy to understand, featuring straightforward levers and buttons that allow for smooth operation. Additionally, the mower is equipped with a reliable hydrostatic transmission, providing seamless speed adjustments without the need for manual gear changes. This feature allows users to focus more on mowing rather than managing speed.

The construction of the Sears 917.257643 is robust, designed to withstand the rigors of regular use. Its durable housing and high-quality materials contribute to the longevity of the mower. Furthermore, it often includes ergonomic seating, which adds to the comfort of the operator during longer mowing sessions.

Another characteristic that stands out is its maintenance features. The mower is designed for easy access to key components, allowing for straightforward maintenance routines. Regular upkeep ensures that the lawn mower remains in excellent working order, which is crucial for long-term performance.

In summary, the Sears 917.257643 is more than just a lawn mower; it is a reliable partner in lawn maintenance. Its combination of powerful performance, advanced technologies, and user-centric features makes it a favored choice among homeowners looking to keep their lawns in pristine condition. Its durable build and ease of maintenance further enhance its appeal, ensuring that users can enjoy a well-groomed lawn for years to come.