Craftsman 917.257281 Owner's Manual page 19

12.0 hp ic electric start 38" mower deck 5 speed transaxle lawn tractor
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TO LEVEL
MOWER
HOUSING
Adjust the mower while tractor is parked on level ground or
driveway.
Make sure tires are property inflated (See
"PRODUCT SPECIFICATIONS" on page 3). If tires are
over or under inflated, you will not propedy adjust your
mower,
SIDE-TO-SIDE ADJUSTMENT (See Figs. 18 and 19) -
You will need two (2) standard 2 x 4 short pieces of wood
to make the followingadjustment, Similar blocks measur-
ing 1-1/2" thick may also be used.
Raise mower with attachment riftcontrol to allow two
(2) 1-1/2" thick blocks to be placed under rear edge of
mower directly behind mandrels.
ADJUSTMENTS
........................
:,
i ::It
FRONT-TO-BACK ADJUSTMENT (See Figs, 20 and 21) -
IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF
THE FOLLOWING FRONT-TO-BACK ADJUSTMENT tS
NECESSARY, BESURE TO ADJUST BOTHFRONT LINKS
EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO-
SIDE,
To obtain the best cutting results, the mower housing
should be adjusted sothat the front isapproximately 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 infront and behind the mandrel at bottom
edge of mower housing as shown,
Lower mower deck to its lowest height of cut position
(See "TO ADJUST MOWER CUTTING HEIGHT" in
Operation section of this manual).
On bothsides oftractor, loosen, butdonotremove, 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 fasteners.
o
Repeat procedure on other side of tractor.
o
Raise mower with attachment lift control and remove
blocks from under mower.
PLACE TWO (2) 1-1/2 = THICK BLOCKS UNDER REAR EDGE OF
equlv.)
'%
MOWER MUST BE IN LOWEST HEIGHT OF CUT POSITION
FIG. 18
ADJUSTABLE
PIVOT
PULL DOWN AND
TIGHTEN REAR
FASTENER FIRST
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" ts 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" fromtrunnion 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_
o
Recheck side-to-side adjustment.
FIG. 20
BOTH FRONT UNKS MUST BE EQUALIN LENGTH
NUT "E"
FRONT UNKS
TRUNNION
FIG. 21
FIG. 19
19

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