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COPYRIGHT 2007 by
ATI Corporation
New Holland, PA 17557 U.S.A.
DISCLAIMER
THE INFORMATION IN THIS MANUAL IS PROVIDED TO PROMOTE THE SAFE USE OF, AND
ASSIST THE OPERATOR IN ACHIEVING THE BEST PERFORMANCE FROM, THE PRODUCTS
DESCRIBED HEREIN WHEN USED FOR THE INTENDED APPLICATION.
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MODELS
Part Model
Number Number
Description
315-067-000
315-068-000
315-069-000
PL72
PL84
PL96
Box, Grader, Para-Level, Single, 6', Cylinder Only
Box, Grader, Para-Level, Single, 7', Cylinder Only
Box, Grader, Para-Level, Single, 8', Cylinder Only
000-166-407
000-166-448
Kit, Hydraulic, Single MEI/Mikrofyn, Includes Valve Assembly, Hoses, Fittings
and Solenoid Cable
Kit, Hydraulic, Single Topcon, Includes System Five Remote, Power and
Solenoid Cable (does not include Sensor Cable)
000-166-483
000-200-149
Kit, Hydraulic, Single Trimble, Includes Valve Assembly, Hoses, and Fittings
Kit, Cables, Topcon System Five, Includes Sensor/Solenoid Cable and Power/
Remote Cable
000-200-148
315-575-000
Kit, Cables, Trimble, Includes Junction Box with Solenoid Cable and Remote,
Sensor Cable and Power Cable
Tractor Hitch
NOTE: Optional accessories, Scarifier Assembly, installation and parts manual can be obtained from ATI
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TAbLE Of CONTENTS
MODELS..........................................................................................................................................................ꢀꢀ
TABLE OF CONTENTS.................................................................................................................................ꢀꢀꢀ
SAFETy INFORMATION...............................................................................................................................v
Safety Precaution Definitions ....................................................................................................................v
WARRANTy...................................................................................................................................................vꢀ
LIST OF ILLUSTRATIONS ..........................................................................................................................vꢀꢀ
SySTEMS FEATURES AND BASIC OPERATION ......................................................................................1
Purpose ......................................................................................................................................................1
Components...............................................................................................................................................1
Control Panel......................................................................................................................................2
Rotating Laser ....................................................................................................................................2
Laser Sensor .......................................................................................................................................2
Cables .................................................................................................................................................2
Hydraulꢀc Valve..................................................................................................................................3
Equꢀpment Set-Up ....................................................................................................................................3
Tractor Gradꢀng Box...........................................................................................................................4
Job Sꢀte Set-Up ..........................................................................................................................................5
Set-Up for Level Gradꢀng...................................................................................................................6
Set-Up for Sloped Gradꢀng.................................................................................................................6
Benchꢀng And Operatꢀng ...........................................................................................................................8
Benchꢀng.............................................................................................................................................8
Benchꢀng wꢀth a Rod Eye...................................................................................................................8
Operatꢀon ............................................................................................................................................9
TROUBLESHOOTING..................................................................................................................................10
SPECIFICATIONS AND MAINTENANCE .................................................................................................12
Specifications...........................................................................................................................................12
Dimensions.......................................................................................................................................12
Maꢀntenance.............................................................................................................................................13
Storage and Transport.......................................................................................................................13
Cables and Hoses..............................................................................................................................13
Machꢀne ............................................................................................................................................13
Calꢀbratꢀon ........................................................................................................................................13
Servꢀce .....................................................................................................................................................13
REGISTRATION CARD................................................................................................................................15
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TAbLE Of CONTENTS
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SAfETY INfORMATION
This manual is furnished to you, the owner/opera-
• Always allow for clearance under the cutting
edge of the machine when tuning the system
or when switching to automatic control.
tor, as a guide to get the greatest benefit from your
Grading Box. ATI Corporation wants you to be
able to get the most use out of your Grading Box
through safe and efficient operation.
Insufficient clearance could cause the machine
to lift itself off the ground as its cutting edge
attempts to achieve the programmed slope.
Before attemptꢀng to operate the Gradꢀng Box,
carefully read all sections of this manual. Be sure
that you thoroughly understand all of the safety
information and operating procedures.
• Never adjust the position of the Laser Sensor
when the system is in automatic control.
• Never perform service work on your machine
or the automatic control system when the
system is in automatic control.
SAfETY PRECAUTION DEfINITIONS
Dangers, Warnings, Cautions, and Notes are
strategically placed throughout this manual to fur-
ther emphasize the importance of personal safety,
qualifications of operating personnel, and proper
use of the grading box in its intended application.
These precautions supplement and/or complement
the safety information decals affixed to the unit and
include headings that are defined as follows:
• Install all safety panels and guards before
operatꢀng your equꢀpment.
• Stay clear of all moving parts when the
machine is in operation.
• Keep all people clear of the machine when it is
runnꢀng.
• Keep feet and other body parts from under the
cutting edges of the machine at all times.
• Read and comply with all safety recommenda-
tions of your Tractor/Skid Steer manufacturer,
as outlined in its operator and service manuals.
Indicates an imminently hazardous situation
which, if not avoided, will result in death or
serious injury.
NOTE: References made to left, right, front, and
rear are those directions viewed from be-
hind the power unit and grading box.
Indicates a potentially hazardous situation or
practice which, if not avoided, could result in
death or serious injury.
NOTE: Some equipment depicted in illustrations
may not reflect exact production model
configurations.
NOTE: All safety, operating, and servicing infor-
mation reflects current production models
at the time of publication of this manual.
Indicates a potentially hazardous situation or
practice which, if not avoided, will result in
damage to equipment and/or minor injury.
NOTE: ATI Corporation reserves the right to
discontinue models at any time, change
specifications, and improve design without
notice and without incurring obligation on
goods previously purchased and to discon-
tinue supplying any part listed, when the
demand does not warrant production.
NOTE: Indicates an operating procedure, practice.
etc., or portion thereof, which is essential
to highlight.
• Always use caution and safe operating prac-
tices when operating this equipment.
• Always set the Automatic/Manual Switch on
the Control Panel to MANUAL before leavꢀng
the operator’s seat or whenever the machine is
not movꢀng.
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WARRANTY
This Laser Grading Box is designed and manufac-
Laser Controls, Vendored Components and Control
Valve Parts are warranted separately by their
respective manufacturers.
tured to high quality standards. ATI Corporation,
therefore, guarantees this Laser Grading Box to be
free from defect in workmanship and materials for
one (1) year from purchase date. If the machine is
used for rental purposes, the warranty is limited to
ninety (90) days.
Does not cover normal wear or failure due to
hydraulꢀc oꢀl contamꢀnatꢀon.
Misuse, abuse, misapplication, and unauthorized
alterations will void this warranty.
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LIST Of ILLUSTRATIONS
Figure 1. Plane of Laser Light with Components of the Automatic Control System......................................1
Figure 2. Valve Connection Details .................................................................................................................3
Figure 3. Components of the Automatic Control System on a Skid Steer.......................................................3
Figure 5. Components of the Automatic Control System on a Tractor............................................................5
Figure 6. Method One: Align Rotating Laser with Grade Stakes....................................................................6
Fꢀgure 7. Sight Over Rotating Laser................................................................................................................6
Figure 8. Grade Stake with Elevation Mark ....................................................................................................7
Figure 9. Method Two: Align Rotating Laser with Grade Stakes....................................................................7
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SYSTEMS fEATURES AND bASIC OPERATION
NOTE: It is the responsibility of the dealer or
owner to select, install, and properly oper-
ate an automatic control system on this
Laser Grading Box within the guidelines of
this manual.
PURPOSE
The Level Best Laser Grading Box is a cost-effi-
cient method for fine grading. Various capacities
sized to fit the skid steer or tractor with a choice of
automatic control systems are available.
Laser-guided depth control provides unmatched
measurement of plane from a single Rotating Laser.
Grade information from a Rotating Laser is pro-
cessed and automatically directs the grading box’s
hydraulics to maintain the elevation of the cutting
edge.
The Laser Grading Box is intended to operate with
an automatic control system providing accurate
grade control. If desired, the Laser Grading Box
can be operated wꢀthout an automatꢀc control
system in one of two ways:
Without any Valve/Manifold - The cylinder can
be connected directly to the tractor or skid
steer and the Laser Grading Box operated
using the tractor or skid steer valve. Flow to
the hydraulic cylinder is restricted to improve
control. However, movement of the cuttꢀng
edge can be coarse.
Most automatic control systems can operate auto-
matꢀcally or manually.
• In manual control, the operator watches an
indicator on the Laser Sensor or Control Panel
and uses the controls to keep the box “On
Grade”.
• In automatꢀc control, the automatꢀc control
With the Valve and No Control System - A
switch can be installed to operate the electric
valve from the tractor or skid steer, providing
fine control of cylinder movement. However,
raising and lowering of the cutting edge is
dependant upon operator attentiveness and
accuracy.
system controls the box’s hydraulic cylinder to
keep the box “On Grade”.
COMPONENTS
The control system consists of 4 components:
Rotating Laser – Provides a reference Plane of
Laser Light over the job site (refer to Figure 1).
Light plane may be level or set at an angle to
match the slope of the ground.
For the most accurate control and ease of operation,
an automatic control system is used and recom-
mended. This manual is for a skid steer or tractor-
mounted, single cylinder Para-Level Laser Grading
Box with customer-supplied laser controls.
Laser Sensor – Mounted at a specific height on a
mast on the Laser Grading Box, it determines
the difference in depth based on the Plane of
Laser Light.
Figure 1. Plane of Laser Light with Components of the Automatic Control System
1
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SYSTEMS fEATURES AND bASIC OPERATION
Control Panel – Contains the logic of the auto-
matic control system, processing data from
the Laser Sensor and, if equipped, switches
controlled by the operator.
Use of any laser on a worksite is controlled by
OSHA regulations found at 29 CfR 1926.54.
be familiar with these regulations before using
any laser beacon used in conjunction with this
system. Review and understand all literature
provided with the Laser System before operat-
ing.
Valve Assembly – Wired to the Control Panel,
the valve meters hydraulic oil to the hydraulic
cylꢀnder for depth control.
Control Panel
The complexity of the Control Panel varies from
system to system. Refer to the specific brand of
system for specific details.
Laser protection devices must be provided
to all workers in the area if the laser system
exceeds five (5) milliwatts. Refer to the literature
provided with the system to determine the
power output. If unsure of the strength of the
laser system, anti-laser eye protection should be
provided to all workers.
Rotating Laser
The Rotating Laser is the unit that creates the plane
of laser light detected by the Laser Sensor. Most
Rotating Lasers transmit a focused plane of laser
light approximately 1000 ft. (300 meters). They
are available in single grade, dual grade, and steep
slope versions. They can be quickly and easily
aligned to job site requirements without compli-
cated calculation of angles.
Laser Sensor
The Laser Sensor detects the laser light generated
by Rotating Lasers. The Laser Sensor sends to the
Control Panel the location of the plane of laser
light. The Control Panel then has the valve assem-
bly drive the Grading Box's hydraulics accordingly.
A dual slope Rotating Laser can be configured
for level, single slope, or dual slope applications.
Sꢀmply enter the requꢀred percent of grade and
align the Rotating Laser to the axis (direction) to be
graded.
The Laser Sensor is mounted on the mast pole
dꢀrectly above the cuttꢀng edge of the box.
• Percent of Grade. The change ꢀn elevatꢀon for
Cables
every 100 feet (30 meters) graded.
Cables connect the various components together
into a system. A single cable is provided with
“open” wires at one end for attachment to the
automatic control system or an electric switch. The
other end has a 3-pin connector that mates with the
hydraulꢀc valve connector.
• Slope. The change ꢀn elevatꢀon per foot
(meter).
Never look directly into a laser light or serious
injury to the eye may occur. In general, inciden-
tal exposure of the laser to the eye will not do
damage. However, avoid looking into the beam
whenever possible. Use a target for viewing the
laser spot.
All cables must be secured with adequate cable
length to avoid pinching, stretching and tight
bending. Do not clamp cables to pipes or hoses
that may generate high heat.
2
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SYSTEMS fEATURES AND bASIC OPERATION
Figure 2. Valve Connection Details
Hydraulic Valve
EqUIPMENT SET-UP
The hydraulic valve is mounted on the frame of the
Laser Grading Box. It is an electrically-actuated
double-acting, single-section valve. Hoses and
quick-couplers to attach it the tractor’s auxiliary
hydraulics are included with the hydraulic kit.
Skid Steer Grading Box
1. Provꢀde power to the Control Panel from the
skid steer's electrical system. Usually this
involves a direct hookup to the battery.
2. The Laser Grading Box should be positioned
on a level area for attaching to the skid steer.
Start the skid steer and drive up to the attach-
ment plate and secure per the manufacturer’s
directions. The Level Best quick-attach plate
is designed to be universal.
An electrical cable is also provided. One end of the
cable has a 3-pin connector for the valve. The other
is open and can be attached to the Control Panel of
the automatic control system as required. Refer to
Figure 2 for wiring details of the cable and conduc-
tor functions.
The valve accepts a 12 VDC proportional current
signal from the Control Panel.
NOTE: If the skid steer’s pins do not fit securely
into the rectangular holes at the base of
the attachment plate, these holes can be
notched larger to accept the pins.
If you requꢀre a proportꢀonal tꢀme or 24 volt valve,
contact ATI Corporatꢀon.
Figure 3. Components of the Automatic Control System on a Skid Steer
3
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