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INDEX
DANGER
Never allow anyone to ride on the 7812 High
Speed Landoll (HSL) at any time. Allowing a
person to ride on the machine can inflict serious
personal injury or death to that person.
DANGER
• Disc blades are extremely sharp.
• Exercise extreme care when working on or near
disc blades.
• Do not allow discs to roll over or fall onto any
bodily part.
• Do not allow wrenches to slip when working
near disc blades.
• Never push wrenches toward disc blades.
• Do not climb over machine above disc blades.
• Failure to stay clear of disc blade edges can
cause serious personal injury or death.
CAUTION
• When transporting farm implements on public
roads, it is the responsibility of the operator to
abide by state and local laws concerning wide
loads, speed, safety emblems and safety
lighting equipment.
• Drive at safe speeds. Particularly when rounding
corners, crossing rough ground or driving on
hillsides, to prevent tipping the tractor.
Product Description and
Operation
The High Speed Landoll (HSL) is a non-tradition tillage
tool. It is extremely versatile and can be used in lieu of
traditional primary tillage tools or may be used in final
seeding and planting preparations.
•
The HSL can be employed at depths as shallow as
1-1/2 to 2 inches or as deep as 4-1/2. It is most
efficiently used from 2 inches to 3-1/2 inches deep. It
can be adjusted to eradicate virtually all weeds.
•
The HSL is capable of incorporating high amounts of
plant residue. It leaves a firm, reconsolidated soil
profile for conservation of not only the soil itself, but
the moisture in the soil profile.
F-1127-0622
TABLE OF CONTENTS
Operation & Maintenance
NOTE
The 7812 HSL is most effective at speeds of eight miles
per hour or greater. If field conditions permit, a speed of
nine or ten miles per hour is very desirable.
NOTE
If plugging occurs reduce the working depth until the issue
has been remedied. The HSL can produce a "blacker"
field in just a few inches of working depth, than a
convectional machine at approximately twice the depth.
The HSL is comprised of two rows of disc blades; each
individually mounted on a spring torsion type mount. The
row units rotate per field conditions and in response to the
work being done and upon encountering obstacles in the
soil.
•
As the individual units rotates, the resistance to
rotation increases as the degree of rotation
increases.
•
The front row fractures soil to the left side of each of
the front blades, while the rear row fractures soil to
the right side of each of the rear blades.
•
As a result, each blade, in each row is moving soil in
the same direction as the others in that row. Because
of this, the HSL creates and maintains a level field.
•
It is always desirable to start the HSL at a shallow
depth and then subsequently adjust it from that point.
The amount of plant residue buried is a function of
machine depth and speed. Operating the HSL at
greater depths will naturally bury more plant residue.
However, increasing the speed of the HSL will also
bury more plant residue. Therefore, if operating at
greater depths comes at the sacrifice of speed.
Running deeper may not be the most desirable
choice.
NOTE
It is paramount that the 7812 track straight behind the
tractor. It is unimportant whether the machine run level or
not; typically the 7812 will run down hill to the front when
tracking straight.
Chapter 4
4-1
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