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SERVICE ADJUSTMENTS
FRONT-TO-BACK ADJUSTMENT (See Figs. 20 and 21) -
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 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.
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" will change dim. "F" by
approximately 3/8"
Recheck side-to-side adjustment
,:. ,, ,/ MANDREL
FIG. 20
BOTH FRONT LINKS SHOULD BE EQUAL IN LENGTH
NUT "H'
FRONT LINKS
FIG. 21
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL (See Fig 22) -
o Park tractor on a level surface. Engage parking brake.
• Remove four screws from L H mandrel cover and
remove cover.
" Roll belt over the top of LH mandrel pulley.
o 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
° Check primary idler arm and two idlers to see that they
rotate ffeely_
Be sure spring is securely hooked to primary idler arm
and bolt in mower housing
MOWER DRIVE BELT INSTALLATION (See Fig 22) -
° Install belt in both idlers Make sure belt is in both belt
keepers at the idler's 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 LH mandrel cover.
L.H, SPRING
MANDREL ELECTRIC
COVER SCREWS CLUTCH
IDLER PULLEY
PULLEYS
PRIMARY
IDLER ARM
! L
BOLT IN
MOWER
HOUSING
MANDREL
MOWER
DRIVE
BELT
BELT
KEEPERS
FIG. 22
2O