5-32
SHB 28Z3 EN – Edition 2.0 * 28z3s510.fm
Hydraulic system
5.12 Changeover valve for SAE/ISO controls (option)
The directional valve is located at the left behind the seat
.
Danger!
Changing the directional valve over modifies the controls (control levers) –
Danger of accidents!
☞
Ensure that you know which control mode has been selected before start-
ing work
☞
Always secure wing nut
J
on the changeover lever of the directional valve
Switch-over carried out via ISO and SAE controls, and vice versa, with the directional valve.
☞
Tighten wing nut
J
after changing the control mode.
5.13 Proportional valve (option)
A
proportional valve
ensures a modifiable control signal (an electric signal) is steplessly
transformed into a proportional output signal.
Function and settings in the Operator's Manual.
Fig. 29: Directional valve position
Fig. 30: Directional valve
J
A
B
1
2
3
4
8
7
6
5
Position
Function
A
ISO controls
B
SAE controls
Directional valve ports
1
Joystick (right) port 1
2
Boom ram retraction control
3
Joystick (right) port 3
4
Main valve block, boom ram extension control
5
Main valve block, stick ram extension control
6
Joystick (left) port 1
7
Main valve block, stick ram retraction control
8
Joystick (left) port 3
Joystick (left)
Summary of Contents for 28Z3
Page 10: ...I 8 SHB 28Z3 EN Edition 2 0 28Z3s20IVZ fm...
Page 11: ...Operation...
Page 27: ...Specifications...
Page 46: ...2 20 SHB 28Z3 EN Edition 2 0 28z3s210 fm Specifications...
Page 47: ...Maintenance...
Page 113: ...Engine...
Page 132: ...4 20 SHB 28Z3 EN Edition 2 0 28z3s410 fm Engine...
Page 133: ...Hydraulic system...
Page 169: ...bersicht der Hydraulikpl...
Page 174: ......
Page 175: ...Electrical system...
Page 184: ...6 10 SHB 28Z3 EN Edition 2 0 28z3s610 fm Electrical system...
Page 185: ...Die Stromlaufpl ne und K Optionen...
Page 187: ......
Page 188: ......
Page 199: ...SHB 28Z3 EN Edition 2 0 28z3s612 fm 6 25 Electricalsystem...
Page 200: ...6 26 SHB 28Z3 EN Edition 2 0 28z3s612 fm Electrical system...
Page 201: ...Options...
Page 204: ...7 4 SHB 28Z3 EN Edition 2 0 28z3s710 fm Options Installation...
Page 230: ...7 30 SHB 28Z3 EN Edition 2 0 28z3s710 fm Options...
Page 231: ...PowerTilt PTS06...