Topcon Motorgrader - Page 6

Table of Contents
Motorgrader System Five Operator’s Manual
ii
Laser Control .................................................................... 2-30
Slope Control .................................................................... 2-33
Chapter 3
Calibration ............................................................ 3-1
Calibrate Rotation ............................................................ 3-2
Calibrate Mainfall ............................................................ 3-3
Calibrate Blade ................................................................. 3-5
Blade Wear Calibration (Trim) ........................................ 3-7
Adjust Valve Offsets ........................................................ 3-10
Automatic Adjusment ................................................ 3-10
Manual Adjusment ..................................................... 3-11
External Switches ............................................................. 3-12
Chapter 4
Getting Ready to Grade ....................................... 4-1
Control Box Setup ............................................................ 4-1
Checking Cross Slope (Trim Calibration) ........................ 4-2
Sonic Tracker Setup ......................................................... 4-3
Setting the Reference Number ......................................... 4-9
Laser Receiver Setup ........................................................ 4-12
Using Set Points ............................................................... 4-18
Chapter 5
Grading Applications .......................................... 5-1
Sonic Stringline ................................................................ 5-1
Setting Up a Sonic Stringline .................................... 5-1
Setting Stringline to Projected Slope ......................... 5-7
Making a Grade Verification Lath ............................. 5-10
Verifying Grade ......................................................... 5-11
Laser Grade Checking System ................................... 5-12
Grading a Road Using a Stringline .................................. 5-15
Grading a City Street ........................................................ 5-31
Grading from Curbs ......................................................... 5-36
Grading From Curbs Placed at Different Elevations ....... 5-39
Road Widening and Shoulders ......................................... 5-44
Grading On Curves ........................................................... 5-46
Grading Slope Transitions ................................................ 5-48