Service Manual

Service Dealer’s Guide to Great Quality of Cut 7 - 3
Appendices
Discharge Chute—the opening in the mower cutting
chamber that allows the cut grass to be discharged
from the mower.
Engine RPM (revolutions per minute)—a
measurement of the speed the engine is running.
Floating deck—a mower that is free to follow the
terrain separately from the tractor through the use of
gage wheels. This term is often applied to decks that
are actually semi-floating.
flotdeck.TIF
Gage wheels—an adjustable wheel that determines
the height of cut. The gage wheel is in contact with the
ground all the time a full-floating mower is cutting.
gagewh.TIF
Ground speed—the rate at which the mower travels
across the ground.
Halo—a noticeable circle of clippings dropped by a
mower, usually when a mower is stopped.
halo.TIF
Height of cut (HOC)—the measurement from the
ground to the top of the grass blade after it is cut, or
from the ground to the cutting edge of the mower blade
(these should be the same).
Leveling—the process of adjusting the mowing deck
so that the blade is correctly positioned relative to the
ground. See the instructions for the particular mower
for the correct adjustment method and measurements.
Lush grass—grass with a high water content. This is
common in most areas during spring rains or on a lawn
that is watered heavily. This term may be used in
conjunction with density, as in “lush dense grass”.
Mulching—using the mower to cut grass into very
small pieces and deposit it back into the lawn.
Mulching fan—See Accelerator.
Mulching mower—a mower used to mulch grass. This
term is used to describe mowers that are designed
specifically to mulch and convertible mowers that
mulch.
Peak torque—the speed at which an engine applies
the maximum twisting force to the crankshaft. This is
the speed where the engine can do the most work
Pitch—the front-to-rear position of the blade in relation
to the ground.
pitch.TIF