To Level Mower Housing - Craftsman 917.255692 Owner's Manual

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SERVICE A
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 wilt 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, S#nilar blocks measur_
ing 1-1/2" thick may also be used.
• Raise mower with attachment lift control to allow two
(2) t-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
(See "TO ADJUST MOWER CUTTING HEIGHT" in the
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_
PLACE TWO (2) 1-1/2" THICK BLOCKS UNDER REAR EDGE OF
MOWERDECK (Usewood2 x 4'sor equivalent)
MOWER MUST BE IN LOWES:r HEIGHT OF CUT POSITION
FIG. 20
ADJUSTABLE PIVOT
BRACKET
PULL DOWN AND
TIGHTEN REAR
FASTENER FIRST'
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2O
ADJUSTMENTS
FRONT-TO-BACK ADJUSTMENT (See Fig& 22 and 23)-
IMPORTANT: DECK MUST BE LEVEL S_DE-TO-SIDE. IF
THE FOLLOWING FRONT*TO-BACK ADJUSTMENT IS
NECESSARY, RE SURE TO ADJUST BOTH FRONT LINKS
EQUALLY SO MOWER WtLL 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 _inks 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 #ont 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 n ut "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.
MANDREL
FIG. 22
BOTH FRONT UNKS MUST BE EQUAL IN LENGTH
NUT "E"
NUT "F"
FRONT LINKS TRUNNION
FIG. 21 FIG. 23