Toro LAWN-BOY Series Manual page 50

Appendices
Power band--the RPM range where an engine
produces its best power. This range is usually below
wide-open throttle but above peak torque. As the grass
load slows the engine, the RPM drops to near peak
torque. Wide-open throttle and peak torque are the two
ends of the power band.
Peak
T
o
r
q
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Normal
Operating
Range
Engine RPM
5300-O05.TIF
Ragged cut--grass blades are not cut cleanly or the
edge is shattered. A cleanly cut grass blade has a
small dead area at the tip. After a few days, a ragged
cut looks like a brown or gray haze at the top of the
grass.
raggdcut.TIF
i
Rake--see Pitch.
Recycler--Toro's patented mulching system.
Rough terrain--terrain uneven enough to affect the
quality of cut by causing the mower to bounce
excessively.
terrain.TIF
Scalping--when the blade cuts the grass at ground
level or actually strikes the ground and removes earth.
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scalp.TIF
Semi-floating deck--a type of mower that is partially
supported by the chassis but also has wheels on the
ground.
Side discharge mower--a mower that has an
opening to eject the clippings to one side. This type
mower may also be convertible to other functions.
Slope--see Pitch.
Suspended deck--a mower fully-suspended from the
tractor. Height of cut is controlled by raising or lowering
the mower attachment through linkage attached to the
tractor.
1222-05.Jpg
7 - 4 Service Dealer's Guide to Great Quality of Cut