Assembly and functions
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Description of the controls
1. Left control lever
The left control lever is used to swivel the swivel frame and move the arm. See the table below for details.
The figure shows, in connection with the following table, the
functions of the left and right control levers.
Control levers
Movement
Right control lever
1
2
3
4
Lower boom
Raise boom
Bucket crowd
Bucket dump
Left control lever
A
B
C
D
Arm dump
Arm crowd
Swivel frame to the left
Swivel frame to the right
2./3. Left and right drive levers
With the drive levers the excavator can be driven forwards and backwards and also turned. The left drive
lever controls the left track and the right drive lever controls the right track.
4. Right control lever
The right control lever is used to move the boom and the bucket. See the figure above illustrating the right
control lever.
5. Dozer control lever
The dozer control lever is used to raise or lower the dozer blade. Pushing the lever forward lowers the
dozer blade and pulling it back raises it.
6. Boom swing pedal
This pedal is used to swing the boom right and left.
7. Control lever lock
The control lever lock prevents the operator from inadvertently activating the control levers.
8. Auxiliary port pedal
The auxiliary port pedal is used to operate an implement.
9. Throttle
lever
The engine speed can be infinitely adjusted from idle to maximum engine speed using the throttle lever. To
increase engine speed, pull back the throttle lever. To decrease engine speed, push forth the throttle lever.
10. Selector lever for the dozer/extendable track width
With the selector lever in the extendable track width position, the dozer control lever can be used to adjust
the track width. To reduce the track width, push the lever forward, to increase, pull the lever backward.
11. Swivel frame lock
Using the swivel frame lock you can interlock the swivel frame and the track frame.