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SERVICE A
FRONT-TO-BACK
ADJUSTMENT
(See Figs 23 and 24)
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.
•
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.
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 !/8" to t/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.
FIG. 23
BOTH FRONT LINKS SHOULD BE EQUAL IN LENGTH
FRONT LINKS
ADJUSTMENTS
TO REPLACE
P/tOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL (See Fig, 25)
.
Park tractor on a level surface_ Engage parking brake
°
Remove fouT screws from L.H. mandrel
cover and
remove cover..
•
Roll belt over the top of LH, mandrel pulley,,
•
Remove belt from electric clutch pulley.
°
Remove belt from idler pulleys.
•
Remove any dirt or grass clippings which may have
accumulated a_ound 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 25)
o
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.
o
Roll belt into upper groove of L,H,, mandrel pultey.
o
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 ARM
BELT
KEEPERS
IDLER
PULLEYS
MOWER
DRIVE
BELT
FIG. 25
FIG. 24
22
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