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SERVICE AND ADJUSTMENTS
NOTE: Each full turn of adjustment nut will change mower
qeight about 3/16".
, Recheck measurements after adjusting.
FRONT-TO-BACK ADJUSTMENT (See Figs. 18 and 19) -
IMPORTANT: DEC K MUST BE LEVEL SIDE-TO-SIDE. IF
THE FOLLOWING FRONT-TO-BACK ADJUSTMENT S
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 isapproximately 1/8"to 1/2"
lower than the rear when the mower is _rl 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 eaual in length.
If links are not equal in length, adjust one link to same
length as other link.
To lowerfront 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" agalnsttrunn]on 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 "R" 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.
FIG, 18
BOTH FRONT LINKS MUST BE EQUALIN LENGTH
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL (See Fig. 20) -
Park tractor on a level surface, Engage parking brake.
Disengage attachment clutch control.
Remove four screws from LH. mandrel cover and
remove cover,
Roll belt over the top of L.H. mandrel pulley.
• Remove belt from engine 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 freely.
MOWER DRIVE BELT INSTALLATION (See Fig. 20) -
Install belt in both idlers. Make sure belt is in both belt
keepers at the idlers as shown,
Install new belt onto engine 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.
L.H, SCREWS
MANDREL IDLER
PULLEYS
ENGINE
PULLEY
PRIMARY
IDLER ARM
MANDREL
/
MOWER
DRIVE
BELT BELT
KEEPERS ,%
FIG. 20
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 21)
Park the tractor on level surface. Engage parking brake
Remove mower drive belt (See "TO REPLACE MOWER
DRIVE BELT" in this section of this manual).
Remove mower (See "TO REMOVE MOWER" in this
section of this manuab,
Remove four screws from R.H. mandrel cover and
remove cover.
Disconnect secondary clutch rod from Divot rod by
removing retainer spnng,
Carefully roll belt off R,H, mandrel pulley.
• Remove belt from center mandre! pulley, idler pulley,
and L.H, mandrel pulley.
• Remove any dirt or grass which may have accumu-
lated around mandrels and entire upper deck surface.
FRONT LINKS TRUNNION
PIG. 19 21
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