Wacker Neuson 28Z3

5-30 SHB 28Z3 EN – Edition 2.0 * 28z3s510.fm
Hydraulic system
Pilot valve (driving)
• Pedal with hydraulic damping
• Consists of two pedals and four pressure reducing valves
26±1.25
2°30'
0
0
0
0
5.65±0.35
1°30' à
0.95
11° 12° 30'
11°30' à
4.95
9°35' à
5.8
(377±17.1)
(82±5)
(0.04“) (0.2“) (0.23“)
P
T
3
1
4
2
P
1
2
3
4
P
T
T
Pressure bar
(psi)
Characteristic curve for
drive pilot valve
Pilot valve piston stroke in mm (in)
Joystick position
(degrees)
Pos.
Designation
1
Right-hand drive segment control
2
Right-hand drive segment control
3
Left-hand drive segment control
4
Left-hand drive segment control
P
Pilot control pressure
T
Tank line