Komatsu D51EX-24, Operation & Maintenance Manual

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DOZING WORK
Cut soil and sand and move them forward. When cutting a
slope surface, it is more efficient to always cut from top toward
bottom.
When dozing toward one side only, operate with angled blade.
REMARK
If the blade is hard to be raised during digging, adjustment of the blade edge angle will improve the condition.
For the adjustment method, see “METHOD FOR ADJUSTING ANGLE OF BLADE EDGE”.
LEVELING WORK
NOTICE
Avoid leveling work on rocky or stony ground. It can damage the blade.
To finish the ground to a flat surface after digging or piling soil,
put a full load of soil on the front face of the blade and operate
the blade up and down in small movements while traveling for-
ward.
Finally, float the blade travel at low speed in reverse while pull-
ing the blade over the ground surface.
At this time, tilt the blade control lever to the stroke end secure-
ly while pressing FLOAT button.
Avoid running over stones or rocks to protect the blade.
WORKS OF CUTTING INTO HARD OR FROZEN GROUND OR DITCH
For digging and ditch excavation of hard or frozen ground, tilt
the blade. Even hard ground can be dug effectively by a tilted
or angled blade.
MACHINE OPERATIONS AND CONTROLS OPERATION
3-176