Komatsu D32E-1 Operation & Maintenance Manual page 49

11. EXPLANATION OF COMPONENTS
11.5.7.1 BLADE HOLD
The control lever automatically returns to this position from any position
except the float position when the lever is released. The blade will remain
the same position as it was when the lever was released.
11.5.7.2 BLADE RAISE
Pull the control lever back to raise the blade. When released the lever will
return to the hold position.
11.5.7.3 BLADE LOWER
Push the control lever forward to lower the blade. When released the lever
will return to the hold position.
II .5.7.4 BLADE FLOAT
With the control lever in the float position, the blade is free to follow the
contour of the ground. To place the control lever in the float position, push
it all the way forward to its detented position. The lever will remain in this
position until manually returned to the hold position.
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