Working operation of the machine 5
TW85 49
5 Working operation of the machine
5.1 General notes
The excavator is equipped as standard with an
"ISO"-control (function of control levers 30/5 and
30/14) on which the following description is based.
If the customer so wishes, the excavator
can be equipped with a special control.
Your excavator must therefore be
checked to see whether or not a special
control is installed.
Incorrect handling may endanger
persons or objects.
When opening or closing the exit barrier
(30/6) make sure that no other control
levers and/or pedals are operated.
Danger of accident caused by
uncontrolled movements of the
machine!
If the exit barrier (30/6) is lifted or the
maintenance ladder (30/24) folded in, all
travel and work functions are
deactivated.
• Before commencing excavating work,
memorize the lever controls well
• Start at low engine speed when familiarizing
yourself with the controls
• Always engage excavator brake (30/12)
• Travel direction preselection (30/15) to neutral
position. Working hydraulics (30/52) to “ON”.
During excavation work, the excavator
brake (30/12) and the pendulum axle
locking (30/62) must always be activated.
In addition, support must be provided
with support legs and/or support plate,
but only far enough so that the wheels
still have sufficient ground traction.
Only in this way is an optimal stability
achieved.
• Before activation of the "swivel upper carriage"
work function, the upper carriage must be
unlocked (30/21)
P
HM32-030
52
62
15
5
6
14
12
15
24
21
Fig. 30 Operation
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