Sears 917.25545 - Manual (Page 20)

SERVICE AND 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 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 2x4 short pieces of wood
to make the foilowing 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.
“ Lower 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
fasteners 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.
• Repeat procedure on other side of tractor,
• Raise mower with attachment lift control and remove
blocks from under mower.
FRONT-TO-BACK ADJUSTMENT (See Figs. 22 and 23) -
IMPORTANT: DECK MUST BE LEVEL SlDE-TO-SIDE. IF
THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS
NECESSARY, BE SURETO 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
iength 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.
BOTH FRONT LINKS MUST BE EQUAL !N LENGTH
FRONT LINKS
20
TRUNNION
FIG. 23