Transmission Lever; Steering Levers; Blade Control Lever - Komatsu Boss D87E-2 Operation & Maintenance Manual

Crawler dozer
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OPERATION

TRANSMISSION LEVER

2
The lever (3) is used to select the transmission direction and various
gear ranges.
Remark
When the shift lever is put in any one of the reverse posi-
tions, the back up alarm will automatically sound

STEERING LEVERS

2
These levers (4) steer the machine by supplying an additional speed
range to either track for gradual turns with power to both tracks. They
also apply the brake to either track for pivot turns.

BLADE CONTROL LEVER

2
This lever (5) controls all operation of the blade; blade raise, lower and
float and right or left tilt.
Remark
Holding the lever in any position except HOLD or FLOAT for
an extended period of time after the hydraulic cylinder rod
has reached the limit of its travel will produce excessive heat
in the hydraulic system which may affect equipment perfor-
mance.
Raise: Pull the lever back R to raise the blade. When re-
leased the lever will return to the hold position.
Hold: The lever automatically returns to this position H
from any position except the float position when the
lever is released. The blade will remain the same posi-
tion as it was when the lever was released.
Lower: Push the lever forward L to lower the blade. When re-
leased the lever will return to the hold position.
Float: With the lever in the float position F, the blade is free
to follow the contour of the ground. To place the con-
trol lever in the float position, push it all the way for-
ward to its detented position. The lever will remain in
this position until manually returned to the hold posi-
tion.
R Tilt: Push the lever to the right RT to lower the right hand
corner of the blade. When released the lever will re-
turn to the hold position.
L Tilt: Pull the lever to the left LT to lower the left hand cor-
ner of the blade. The lever will return to the hold posi-
tion when released.
2-24
D87E-2 D87P-2

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Boss d87p-2P090001P092001

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