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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 SlDE-TO-S_DE_ IF
THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS
NECESSARY, BE SUR E 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.
.
if links are not equal in length, adjust one link to same
length as other link.
•
To Iowerfront of mower housing, loosen nut"G" on both
front links an eq,ua! number of turns.
•
When distance
F is 1/8" to 1/2" lower at front than
rear, tighten nut "H" against trunnion on both fr,on!tinkso
°
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 tumso
o
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" will change dim, "F" by
approximately 3/8".
°
Recheck side-to-side adjustment,.
_'\\\.
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MANDREL
FIG. 22
BOTH FRONT LINKS SHOULD BE EQUAL IN LENGTH
FRONT LINKS
NUT "G"
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL (See Fig° 24) -
•
Park tractor on a level surface° Engage parking brake.
•
Remove four screws from LH. mandrel cover and
remove cover°
°
Rol! belt over the top of L.H. mandrel pulley°
-
Remove belt from electric clutch pulley,,
°
Remove belt from idler pulteys_
°
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.
•
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 be_t
keepers at the idlers as shown,
°
install new belt onto electdc 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_
TRUNNION
FIG, 23
L.H,
SCREWS
MANDREL
IDLER
PULLEYS
ELECTRIC
CLUTCH
PULLEY
MOWER
DRIVE
BELT
IDLER ARM
BELT
KEEPERS
FIG. 24
21
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