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Checking and Adjusting the Blade Level
Steel deck models (Toro Recyclers and Lawn-Boy
Silver Series) use spring arms and pins to engage
notches in a plate bolted to the mower housing
(Figure 11).
Checking Blade Levelm
All Mowers
Checking the blade level involves preparing a suitable
workspace and measuring the distance from one of the
blade tips to a level flat surface at the 12, 3, 6, and
9 o'clock positions.
Figure 11
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Some models (43cm and 48cm models sold in Europe)
use a single lever height of cut system (Figure 12).
Figure 12
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Preparing the Workspace
Use a straight edge to verify that the workspace is fiat.
Do not assume the floor is fiat even if it appears to be
so. You will make measurements with a tolerance of
less than 3/16 inch (5mm) (Figure 13). A small dip in a
concrete floor may cause you hours of work trying to
find a problem that isn't there.
Riding Mower Overview
Each series of riding mower has it's own method of
suspending the mower assembly. For checking and
adjusting the blade tracking, height of cut, side-to-side
level, and front-to-rear pitch on a given riding mower,
see the subsection that discusses the appropriate
series of riding mower.
Figure 13
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For smaller product a 4 by 8 foot sheet of 3/4 inch
plywood laid on the floor may assure you of a relatively
fiat surface. It is rigid enough to give you a good
surface to measure from and will serve you for all
mowers up to 48 inches wide and with a wheel base
less than about 84 inches. For larger machines you
may need to find a larger level area to verify the blades
are at the correct level.
4 - 2
Service Dealer's Guide to Great Quality of Cut
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