Systems Features and Basic Operation

Figure 2. Valve Connection Details

Hydraulic Valve

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.

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 conductor functions.

The valve accepts a 12 VDC proportional current signal from the Control Panel.

If you require a proportional time or 24 volt valve, contact ATI Corporation.

Equipment Set-Up

Skid Steer Grading Box

1.Provide 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.

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.

Figure 3. Components of the Automatic Control System on a Skid Steer