Side-To-Side - Craftsman 917.255575 Owner's Manual

SERVnCE AND ADJUSTMENTS
J, ,uu,u ........................................................................................................ i,
TO LEVEL MOWER HOUSING
FRONT-TO-BACKADjUSTMENT (See Figs. 23 and 24) -
Adjust the mower while tractor is parked on level ground or
driveway. Make sure tires are properly inflated (See
"PRODUCTSPEClF1CATIONS"on page3ofthis manual).
If tires are over or under inflated, you will not properly adjust
your mower°
SIDE-TO-SIDE ADJUSTMENT (See Fig& 21 and 22) -
You wilt need two (2) standard 2 x 4 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
(See TO ADJUST MOWER CUTTtNG 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
chassis, 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) 1-1t2" THICK BLOCKS UNDER REAR EDGE OF
DECK (Use wood 2 x 4'a or equivalent)
MOWER MUST BE IN LOWEST HEIGHT OF CUT POSmON
FIG. 21
ADJUSTABLE PIVOT
BRACKET
PULL DOWN AND
TIGHTEN REAR
FASTENER FIRST
FIG. 22
FASTENERS
IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF
THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS
NECESSARY, BE SUR E TO ADJ UST 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 t0-3/8",
• 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.
%_._ /o o ° °! /MANDREL
FIG. 23
BOTH FRONT UNKS MUST BE EQUAL IN LENGTH
NUT "F"_ NUT
FRONr LINKS TRUNNION
'E'
2O
FIG. 24