Sears 917.259567 owner manual Service An Adjustments, To Level Mower Housing

Models: 917.259567

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SERVICE AN ADJUSTMENTS

SERVICE AN ADJUSTMENTS

TO LEVEL MOWER HOUSING

Adjust the mower white tractor is parked on level ground or driveway. Make sure tires are properly inflated (See "PRODUCT SPEOIFICATIONS"on page 3 of this manual). Iftires are over or underinflated, you will not properly adjust your mower.

SIDE-TO-SIDE ADJUSTMENT (See Figs. 20 and 21)

,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 should 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: Each full turn of adjustment nut will change mower height about 1/8".

=Recheck measurements after adjusting.

BOTTOM EDGE

BOTTOM

EDGE

OF MOWER TO

OF MOWER TO

GROUND

GROUND

 

FRONT-TO-BACK ADJUSTMENT (See Figs. 22 and 23)

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 that 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"D" directly in front and behind the mandrel at bottom edge of mower housing as shown.

°Before making any necessary adjust ments, check that both front linksare 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 1/8" to 1/2" 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 1/8" to 1/2" lower at front than rear, tighten nut"F" against trunnion on both front links.

o Recheck side-to-side adjustment.

GROUND LiNE

A

FiG. 20

_,,

\

SUSPENSION

 

ARM

FIG. 22

BOTH FRONT LINKS MUST BE EQUAL IN LENGTH

LIFT LINK

ADJUSTMENT NUT

FIG, 21

/

/

NUT "E"

NUT "F"_

FRONT LINKS

TRUNNION

21

FIG. 23

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Sears 917.259567 owner manual Service An Adjustments, To Level Mower Housing