Sears 917.257552 manual Ervjce And Adjustments, To Level Mower Housing, Fig. Fig

ERVJCE AND ADJUSTMENTS

TO LEVEL MOWER HOUSING

Adjust the mower while tractor is parked on level ground or

driveway° Make sure tires are properly inflated (See "PRODUCT SPECIFICATIONS" on page 3of this manual). If tires are over or'undednflated, you will not properly adjust your mower.

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

. Raise mower'to its highest position.

°At the midpoint of both sides of mower, measure hei,ght from bottom edge of mower to ground_ Distance A'on both sides of mower'should be the same or within I/4" of each other_

oIf 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.

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

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,

BOTTOM EDGE	BOTf'OM EDGE
OF MOWER TO	OF MOWER TO
GROUND	GROUND

FIG. 21

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 tractor. Measure dis- tance"D" directly in front and behind the mandrel at bottom edge of mower housing as shown.

oBefore making any necessary adjustments, checkthat both front links are 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_

oTo lower front of mower loosen nut "E" on both front links an equal number of turn&

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

oTo raise front of mower, loosen nut "F" from trunnion on both front link& Tighten nut "E" on both front links an equal number of turns,,

=When distance "D" is t/4" to 3/4" lower at front than rear, tighten nut"F" against trunnion on both front links.

°Recheck side-to-side adjustment, o Recheck side-to-side adjustmenL

MANDREL

FIG. 23

BOTH FRONT LINKS MUST BE EQUAL IN LENGTH

NUT "E"

NUT "F"

LIFT LINK ADJUSTMENT NUT FRONT LINKS TRUNNION

FIG. 24

FIG. 22

20