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SERVICE AND ADJUSTMENTS
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FRONT-TO-BACK ADJUSTMENT (See Figs. 22 and 23) -
IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF
THE FOLLOWING FRONT-TO-BACK ADJUSTMENT tS
NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS
EQUALLY SO MOWER WILL STAY LEVEL SfDE-TO-SlDE,,
To obtain the best cutting Jesuits, the mower housing
should be adjusted so the front is approximately 1t8" to 1/2"
lower than the rear when the mower is in its highest
position.
Check adjustment on right side of tractor, Measure dis-
tance "F" directly in front of 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.
o tf links are not equal in length, adjust one !ink to same
length as other tink_
• To lower front of mower housing, loosen nut"G" on both
front links an equal number of turns.
• When distance "F" is 1/8" to 1/2" lower at front than
rear, tighten nut"H" against trunnion on both front links,
. To raise front of mower housing, loosen nut "H" from
trunnion on both front links. Tighten nut "G" on both
front links an equal number of turns
. When distance "F" is 1/8" to 1/2" lower at front than
rear, tighten nut "H" against trunnion on both front
links.
NOTE: Each full turn of nut "G" wilt change dim, "F" by
approximately 3/8".,
• Recheck side-to-side adjustment
_',.% I ,7_ 1, MANDREL
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'q_@.;;' I ''F'' "F"t "_
FIG. 22
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL (See Fig, 24) -,
. Park tractor on a level surface, Engage parking brake
o Remove four screws from L,H, mandrel cover and
remove cover,
° Roll belt over the top of LH, mandrel pulley,
• Remove belt from electric clutch pulley,
• Remove belt from idter pulleys
. Remove any dirt or grass clippings which may have
accumulated around mandrels and entire upper deck
surface,
• Check primary idler arm and two idlers to see that they
rotate freely,
o Be sure spring is securely hooked to primary idler arm
and bolt in mower housing,
MOWER DRIVE BELT INSTALLATION (See Fig 24)
, 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 LH mandrel pulley.
o Carefully check belt routing making sure beft is in the
grooves correctly and inside belt keepers.
. Reassemble L.H. mandrel cover,
L.H. SCREWS
MANDREL
COVER "X_.,
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IDLER
PULLEYS
ELECTRIC
CLUTCH
PULLEY
BOTH FRONT LINKS SHOULD BE EQUAL IN LENGTH
NUT "G"
NUT "H"
FRONT LINKS
IDLER ARM
BELT
KEEPERS
f
FIG., 24
TRUNNION
FIG. 23
21