Terex TW85, Operating Instructions Manual

Page: 60 / 125

5 Working operation of the machine
54 TW85
5.3.6 Operation - additional control circuit
Additional control circuit (37/55)
Grab operations (swing bucket etc.)
•
Changeover switch (37/53) to rock breaker
mode “OFF” (indicator light in switch is off)
If necessary, the working speed of the
auxiliary circuit must be adjusted. To do
this, adjust the control dial (37/A).
Rock breaker operation
•
Changeover switch (37/53) to rock breaker
mode “ON” (indicator light in switch is on)
Additional control circuit II (37/68)
•
Various hydraulically operated work
attachments can be controlled via this
additional control circuit.
5.3.7 Operation – pendulum axle locking
•
The pendulum axle locking is controlled by the
excavator brake; that is, upon engaging the
brake, the pendulum axle is automatically
locked.
•
For special application cases, it is possible to
activate the pendulum axle locking independent
of the excavator brake.
•
To do so, set switch for pendulum axle locking
to "ON" (38/62)
•
The indicator light in the switch lights up red.
After completing the special work, set
switch for pendulum axle locking
immediately back to "OFF."
HM32-037
53
55
68
A
Fig. 37 Operation
P
HM32-038
62
Fig. 38 Operation