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3.5 EXCAVATION
3.5.1 Working condition
When dig lengthways with backhoe, make the drive
wheel backward and guide wheel forward. (as figure)
In order to guarantee safety in quarry working, make
the drive wheel backward and guide wheel forward.
Pilot handles control
1 — Left pilot handle
2 — Right pilot handle
Control with right pilot handle
Right figure is the obverse view of right pilot handle (when operator sits on the seat). The four
movements of handle can make the excavator move as follows.
a —— Raise boom
b —— Lower boom
c —— backhoe load, or bucket close
d —— backhoe dump, or bucket open
Control with left pilot handle
Right figure is the obverse view of left pilot handle (when operator sits on the seat). The four
movements of handle can make the excavator move as follows.
e ——Make the superstructure slew widdershins.
f ——Make the superstructure slew clockwise.
g —— Extend arm
h —— Retract arm
FIG. 3-19
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