4 Operation
46 TW85
4.7.3 Brakes
Service brake
• Operate the service brake (20/12) as required.
Parking brake
• The parking brake (20/63) must be activated
when shutting off the machine.
Activate brake only when machine is
at standstill.
Excavator brake
• The excavator brake – push the service brake
(20/12) fully through until fastening device
(20/11) locks in – must be engaged during
excavation work.
The pendulum axle is simultaneously
locked with the excavator brake.
4.7.4 Driving on roads
Buckets with a width over 600 mm, ditch-
cleaning buckets/swing buckets with a
width of more than 1,250 mm must be
removed.
• Swing upper carriage to travel position and peg
out with upper carriage swing lock bolts (20/21)
• TW85 AL – Set to "normal steering" (see
Chapter 4.7.2 Steering)
• Boom up until color marking on the slewing
column is covered.
• Raise the boom (TPA, CI) completely.
• Swivel work device to transport position with
backsight (21/1)
• Retract intermediate boom cylinder (TPA and
CI) completely
P
HM32-020-N
52
62
63
11 12
16
21
Fig. 20 Operation
HM32-020
Fig. 21 Backsight
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