Sears 917.25545 owner manual B,l,,ID d, To Level Mower Housing, Service And Adjustments

SERVICE 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 3). If tires are over or under inflated, you will not properly adjust your mower.

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

You will need two (2) standard 2 x 4 short pieces of wood to make the following adjustment. Similar'blocks measur- ing 1-1/2" thick may also be used

. Raise mower with attachment lift control to allow two

(2)1-1/2" thick blocks to be placed under rear'edge of mower

•Place one block directly behind the left mandrel Place the remaining block under the stamped ridge on the right rear edge of mower deck,.

oLower mower deck to its lowest height of cut position (See "TO ADJUST MOWER CUTTING HEIGHT" in Operation section of this manual),

.	On both sides of tractor, loosen, but do not remove, the
	fastener's securing the adjustable pivot brackets to
	frame. Both brackets must be loose enough to move
	freely,

•Pull down firmly on suspension arm to remove any

slack in pivot bracket and hold while tightening rear fastener first to secure Tighten remaining fastener_

o Repeat procedure on other side of tractor,

oRaise mower with attachment lift control and remove blocks from under mower

PLACE TWO (2) 1-1/2" THICK BLOCKS UNDER REAR EDGE OF DECK (Use wood 2 x 4'sor equiw)

DIRECTLY

BEHIND

MANDREL

MOWER MUST BE IN LOWEST HEIGHT OF CUT POSITION

FIG. 20

ADJUSTABLE PIVOT

BRACKET

FASTENERS

AUSPENSION ARM

FRONT-TO-BACK ADJUSTMENT (See Fig& 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 1/4" 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.

Before making any necessary adjustments, check that 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.

. 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,

_-. % _>ol MANDREL

"B",l,,I"D":"<' d

FIG. 22

BOTH FRONT LINKS MUST BE EQUAL IN LENGTH

NUT "F"_ _ NUT"E"

PULL DOWN AND
TIGHTEN	REAR
FASTENER	FIRST	FRONT LINKS	TRUNNION

FIG. 21 20 FIG. 23