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FRONT-TO-BACK ADJUSTMENT (See Figs. 21 and 22)-
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 SIDE-TO-SIDE ',
To obtain the best cutting results, the mower housing
should be adjusted so 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 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 If links are not equal in length, adjust one link to same
length as other link_
• Tolowerfront 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 tinks_ Tighten nut "G" on both
front links an equal number of turns.
- When distance "F" is t/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" will change dim. "F" by
approximately 3/8".
o Recheck side-to-side adjustrnent.
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL (See Fig. 23) -
• Park tractor' on a level surface. Engage parking brake.
o Remove four screws from Loll, mandrel cover' and
remove cover.
° Roll belt over the top of L H,,mandrel pulley,,
o Remove belt from electric clutch pulley,
= Remove belt from idler pulleyso
o Remove any dirt or grass clippings which may have
accumulated around mandrels and entire upper deck
sudace.
, 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. 23) -
e
\
MANDREL
FIG. 21
BOTH FRONT LINKS SHOULD BE EQUAL IN LENGTH
NUT "H" _
FRONT LINKS
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.Ho mandrel pulley,
- Carefully check belt routing making sure belt is in the
grooves correctly and inside belt keepers.
o Reassemble L.H. mandrelcover,
L.H. ELECTRIC
MANDREL CLUTCH
COVER PULLEY
SCREWS
SPRING
IDLER
PULLEYS
PRIMARY
IDLER
ARM
MANDREL
MOWER
DRIVE BELT BELT
KEEPER
BOLT IN
HOUSING
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FIG. 23
FIG. 22 22
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