Komatsu D51EXi-24, Operation & Maintenance Manual

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19. After the engine stops, turn the starting switch to ON posi-
tion (B) again.
20. Measure the height from the base point to the blade edge,
add this value to the elevation of the base point. Check
that the total value is equal to the elevation recognized by
the machine in the step 14.
ADJUST BLADE ELEVATION
When checking the blade elevation, if the elevation recognized by the machine does not match with the sum of
the base point elevation and the height of blade edge from the base point, adjust the blade elevation.
1.
On the control box screen, press “iB logo key” and display
the main menu.
2.
Press “Blade Height Adjustment” in “Control” menu, and
select.
3.
On “Blade Height Adjustment” screen, check the blade ele-
vation adjustment value before adjustment, and calculate
compensation value (a) to input.
(a) = (b) + (c) - (d) + (e)
(b) Elevation of the base point
(c) Height from the base point to blade edge
(d) Elevation recognized by machine
(e) Blade elevation adjustment value before adjustment
4.
Input calculated compensation value (a) and press “Ok”.
5.
Perform check the blade elevation again.
If there is no error, start the work.
If you find any error, adjust the blade elevation again.
REMARK
If there is dispersion on compensation value (a), repeat the calculation of compensation value for 5 to 10 times
and use their average value.
MACHINE OPERATIONS AND CONTROLS OPERATION
3-28