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SERVICE ADJUSTMENTS
FRONT-TO-BACK ADJUSTMENT (See Figs. 24 and 25) -
IMPORTANT: DECK MUST BE LEVELSIDE-TO-SIDE_ IF
THE FOLLOWING FRONT-TO-SACK 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 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.
o 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.
To lower front of mower housing, loosen nut"G" on both
front links an equal number of turns
o When distance "F" is 1/8" to 1/2" lower at front than
rear tighten nut"H" against trunnion on both front links,
o 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" will change dim. "F" by
approximately 3/8".
Recheck side-to-side adjustment.
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL (See Fig. 26) -
o Parktractoron a level surface_ Engage parking brake.
• Remove four 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 rnay have
accumulated around mandrels and entire upper' deck
surface.
o 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. 26) -
,, 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.
° Carefully check belt routing making sure belt is in the
grooves correctly and inside belt keepers_
° Reassemble L.H_ mandrel cover.
,_;. Oo Io _,o1 MANDREL
FIG. 24
BOTH FRONT LINKS SHOULD BE EQUAL. IN LENGTH
LIT "G"
NUT "H
FRONT LINKS
L,H,
MANDREL
COVER
MANDREL
SCREWS
MOWER
DRIVE
BELT
SPRING
IDLER
PULLEYS
PRIMARY
IDLER ARN
BELT
KEEPERS
FIG. 26
ELECTRIC
CLUTCH
PULLEY
MOWER
HOUSING
FIG. 25
20
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