Brakes; Hydraulic System - Terex TL80 Operating Instructions Manual

3 Technical data

3.5 Brakes

Service brake
Parking brake
Additional brake

3.6 Hydraulic system

Hydraulic pump
Priority valve
Steering
Total steering angle
Loader frame
Additional control circuit
Hydraulic oil cooler
26
Hydraulically actuated center-mounted disk brake, combined with
hydrostatic brake of travel drive.
Brake acts on all 4 wheels via 4-wheel drive.
Mechanically actuated center-mounted disk brake at front axle.
The hydrostatic travel drive in closed circuit additionally acts as
non-wearing service brake.
Gear pump on throughdrive of variable displacement pump.
Pump capacity: max. 64 l/min.
Working pressure, steering: 175 bar
Working pressure, loading: 250 bar
Priority supply of hydraulic oil to steering through load-sensing
system, ensuring that all the available oil can be provided if
necessary. Rapid steering movements even at low engine revs.
Fully hydraulic, proportionally
One double-acting steering cylinder.
80°
Parallel kinematics
Double-acting work cylinders, one lift cylinder and one tilt cylinder.
Z kinematics
Double-acting work cylinders, two lift cylinders and one tilt
cylinder.
Control valve with 3 control circuits.
Electro-hydraulically operated float position for "Lower" work
function.
Single, four-way control lever (joystick) with integrated direction-of-
travel switch, float position switch and switch for additional control
circuit.
Max. oil flow
Max. operating pressure 230 bar
Thermostatically controlled.
acting articulated
64 l/min
steering.
TL80