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22
FRONT-TO-BACK ADJUSTMENT (See Figs. 25 and 26)
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-
SIDE.
To obtain the best cutting results, the mower housing
should be adjusted so that the front is approximately 1/8"
to 1/2" lower than the rear when the mower is in its highest
position.
Check adjustment on right side of tractor. Measure
distance “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
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 1/8" to 1/2" 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 1/8" to 1/2" lower at front than rear,
tighten nut “F” against trunnion on both front links.
• Recheck side-to-side adjustment.
MANDREL
"D"
"D"
FIG. 25
FIG. 26
BOTH FRONT LINKS MUST BE EQUAL IN LENGTH
NUT "E"
NUT "F"
TRUNNION
FRONT LINKS
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL (See Fig. 27) -
• Park tractor on a level surface. Engage parking brake.
• Remove screws from L.H. mandrel cover and remove
cover.
• Roll belt over the top of L.H. mandrel pulley.
• Remove belt from electric clutch pulley.
• Remove belt from idler pulleys.
• Remove any dirt or grass clippings which may have
accumulated around mandrels and entire upper deck
surface.
SERVICE AND ADJUSTMENTS
• Check primary idler arm and two idlers to see that they
rotate freely.
• Be sure spring is securely hooked to primary idler arm
and bolt in mower housing.
MOWER DRIVE BELT INSTALLATION (See Fig. 27) -
• Install belt in both idlers. Make sure belt is in both belt
keepers at the idlers as shown.
• Install new belt onto electric clutch pulley.
• Roll belt into upper groove of L.H. mandrel pulley.
• Carefully check belt routing making sure belt is in the
grooves correctly and inside belt keepers.
• Reassemble L.H. mandrel cover.
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 28)
Park the tractor on level surface. Engage parking brake.
• Remove mower drive belt (See “TO REPLACE MOWER
DRIVE BELT” in this section of this manual).
• Remove mower (See “TO REMOVE MOWER” in this
section of this manual).
• Remove screws from R.H. mandrel cover and remove
cover. Unhook spring from bolt on mower housing.
• Carefully roll belt off R.H. mandrel pulley.
• Remove belt from center mandrel pulley, idler pulley,
and L.H. mandrel pulley.
• Remove any dirt or grass which may have accumulated
around mandrels and entire upper deck surface.
• Check secondary idler arm and idler to see that they
rotate freely.
• Be sure spring is hooked in secondary idler arm and
sway-bar bracket.
• Install new belt in lower groove of L.H. mandrel pulley,
idler pulley, and center mandrel pulley as shown.
• Roll belt over R.H. mandrel pulley. Make sure belt is in
all grooves properly.
• Reconnect spring to bolt in mower housing and reinstall
R.H. mandrel cover.
• Reinstall mower to tractor (See “INSTALL MOWER
AND DRIVE BELT” in the Assembly section of this
manual).
• Reassemble mower drive belt (See “TO REPLACE
MOWER DRIVE BELT” in this section of this manual).
IDLER
PULLEYS
L.H.
MANDREL
COVER
SCREWS
L.H.
MANDREL
ELECTRIC
CLUTCH
PULLEY
MOWER
DRIVE
BELT
FIG. 27
BELT
KEEPERS
PRIMARY
IDLER ARM