25
engine revs, and also you can screw handle to adjust accelerograph imperceptibly.
2.11 PILOT OPERATION
Operation marks：
You should clearly understand the corresponding part
of each control lever.
The instruction of this manual is established under the
international standard.
These control levers are used for the operation of
boom、arm、bucket、swing、boom swing and dozer
(undercarriage extending).
A. Right joystick
This joystick can make the following operations:
a- Lift boom
b- Lower boom
c- Load backhoe, or bucket close
d- Unload backhoe, or bucket open
B. Left joystick
This joystick can do the following operations：
e- slew the superstructure widdershins
f- slew the superstructure clockwise
g- extend the arm
h- retract the arm
Composite operation can be achieved by the assorted operations of the two joysticks.
FIG.2-11
FIG.2-9
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