PLATE AS 4648487 - Caterpillar

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Refer to Operation and Maintenance Manual, "Display Description" for more information on the icons that are on the Display.The following sections explain the procedure that is used in order to benchmark the AccuGrade - Laser System while using the Linked Elevation Operating Mode. Refer to Operation and Maintenance Manual, "Setting the Reference Elevation" in order to use the AccuGrade - Laser System and set up the AccuGrade - Laser System in the Independent Elevation Operating Mode.Benchmark the System In Linked Elevation Mode
To make sure that the machine is grading to the correct elevation, the machine's cutting edge must be benched over a point that represents a finished grade. This point is known as a benchmark.Using a Level Laser
Level the machine's cutting edge.
Place the right blade tip on the benchmark.Make sure that you do not move the benchmark. If necessary, put the blade tip next to the benchmark.
Press the right reset key when the right tip is on the benchmark. Both masts will begin to move automatically in order to search for the laser beam. The search for the laser beam will stop when the right laser receiver is on-grade.This process is called auto benching.Note: In order to obtain the best results, the cutting edge must be parallel to the laser beam.The following illustration shows the way the machine's cutting edge must be positioned for proper benching with a level laser.
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Benching in Linked Elevation Operation Mode (Level Laser) (1) Laser Receivers (2) BenchmarkRefer to Operation and Maintenance Manual, "Setting the Reference Elevation" in order to benchmark the machine's cutting edge with a sloping laser.Set the Reference Elevation
The elevation of the benchmark must be entered into the Display. In order to enter the elevation, proceed through the following steps.
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Place the "power/setup" switch on the Display to the Information position. The screen in Illustration 11 appears. Refer to Operation and Maintenance Manual, "Display" for more information on the buttons and switches on the Display.
Toggle either of the "Menu scroll" buttons until "Reference Elevation" is highlighted on the Display.
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Dual mast system
Press the right "OK" key. The screen that is shown in Illustration 12.
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Dual mast system
Press the "OK" key again. The screen that is shown in Illustration 13 appears on the Display.The current reference elevation value and the configured units appear on the Display.
To edit the "Reference Elevation" value, perform the procedure that is listed below.
Press the "OK" key and the "ESC" key simultaneously in order to reset the "Reference Elevation" to 0.000.
Press the "Cursor scroll" key in order to move the cursor to the right and in order to highlight the digit on the Display that you want to change.
Toggle either of the "Menu scroll" switches in the up direction in order to increase the value.
Toggle either of the "Menu scroll" switches in the down direction in order to decrease the value.
Toggle either of the "Menu scroll" switches in the up direction or to the down direction in order to change the sign from positive to negative.