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Adjustments
Simplicity
Figure 35. Drive Belt Tension Adjustment
Mower Belt Stop Adjustment
The belt stop holding the mower drive belt on the
lower engine pulley should be adjusted for 1/16
inch (1.5mm) clearance between the belt and belt
stop when the mower clutch is engaged. See figure
34.
Right Arbor Belt Stop
The right arbor belt stop should be adjusted so that
it is 1/8 inch (3 mm) from the belt with the PTO
engaged (see figure 36). If it is not, loosen the nut
and lock washer and move the belt stop until the
1/8 inch clearance is reached. Then retighten the
nut while holding the belt stop from moving.
Figure 36. Right Arbor Belt Stop Adjustment
Idler Pulley Belt Guide
The idler pulley belt guide is correctly adjusted
when its edge is 1/4 inch (6 mm) from the edge of
the PTO idler arm (see figure 37). If it is not, loosen
the nut and lockwasher holding on the belt guide
and move the belt guide to its proper position. Hold
the belt guide from moving while retightening the
nut.
Figure 37. Idler Pulley Belt Guide Adjustment
Leveling 36" Mower
If the 36" mower is giving an uneven cut, or if one
side of the mower cuts at a different height than
the other side, then the mower needs leveling. To
level the mower, proceed as follows:
WARNING
To avoid serious injury, perform mainten¬
ance on the tractor or mower only when the
engine is stopped. Always remove the igni¬
tion key before beginning the maintenance
to prevent accidental starting of the engine.
1.
Mount the mower on the tractor and place it on
a level, smooth surface, such as a concrete
floor.
2.
Check
for
bent
blades,
and
replace
if
necessary.
3.
With the mower clutch disengaged and the key
removed from the ignition switch, arrange the
mower blades so that they are both pointing
from side to side, perpendicular to the tractor.
4.
Measure the distance between the outside tips
of each blade and the ground. If there is more
than 1/8 inch (3 mm) difference between the
measurements on each side, proceed to step 5.
5.
Remove the cotter pin holding on the mower
leveling rod (figure 38), and shorten the rod to
raise the left side of the mower, and lengthen
the rod to lower the left side of the mower. Put
the leveling rod back in its hole and recheck the
measurements. When both sides are the same
height, replace the cotter pin in the leveling
rod.
35
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