Technical Data 3
TC29
19
3.5 Steering
Traveling - steering Independent, individual control of crawler chains,
including in opposite directions. Sensitive operation
via hand levers combined with foot pedals, left and
right foot rest on pedal console.
3.6 Brakes
Swing drive The hydrostatic swing drive acts as a maintenance-
free swing brake.
Additional spring-operated multiple-plate brake
acting as parking brake when the swing lever is in
neutral position.
3.7 Hydraulic system
Working hydraulics Single-stage, load-sensing controlled displacement
axial piston pump
Pump capacity ...........................max. 99 l/min
Pressure max. 210 bar
Excavator equipment Hydraulically pilot-operated control valve for the
functions "boom, dipper stick, dipper, slewing of
uppercarriage"
28 bar pilot pressure with pressure accumulator
Proportional control of all functions
Additional control circuit
Control circuit for grab, hammer, etc.
Pump flow (pressure-dependent):
40 l/min at 120 bar
33 l/min at 180 bar
Max. pressure 210 bar
Hydraulic filter Full flow filtration
Hydraulic cylinders Double-acting work cylinders, partially with end-
position damping
Slewing gear Internally-toothed slew ring, teeth can be lubricated
from driver's seat during slewing.
Slewing range: 360°
Uppercarriage slewing speed: 0 – 9.5 rpm
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