Komatsu GD555-5 Operation & Maintenance Manual page 189

OPERATION
RIGHT DITCH FINISHING
1. Set the right side of the blade behind the front right wheel.
2. Operate the right blade lift cylinder and set the blade to the
depth of the ditch.
3. Be careful not to let the rear left wheel run over the window
discharged from the blade.
Operate the blade lift cylinder and blade rotation to set the
blade in position.
4. Lean the front wheels slightly to the left.
5. To push out the soil to the top of the slope face and the road shoulder, a separate pass is needed. Spread the
soil, then carry out final finishing with the grader.
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OPERATION