Craftsman 917.255561 - Manual (Page 19)

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. 18 and 19) -
You will need two (2) standard 2x4 short pieces of wood
to make the following adjustment. Simitar 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 directly behind mandrels.
* Lower mower deck to its lowest height of cut position
fSee '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 bracfets must be loose enough to move
freely.
» Pull down firmly on suspension arm to remove any
slack in pivot bracket and h>. id while tightening rear
fastener first to secure, Tighte, 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. 20 and 21) -
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-
Sjnc
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 necessaiy 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“ tower at front than
rear, tighten nut "F" against trunnion on bothfront links,
* Recheck side-to-side adjustment.