3-78 OM 25-3503 us – Edition 4.1 * * 2503_3503b340.fm
Operation
Directional valve position
Directional valve 28 is located at the left behind the seat.
Directional valve
The changeover valve switches from ISO to SAE controls and vice versa.
Changing over:
☞ Loosen the wing nut and set the valve to the required position.
☞ Retighten the wing nut after changing over.
No machine travel or operation if wing nut J is malfunctioning!
• Immediately contact a Wacker Neuson service center to replace a malfunc-
tioning wing nut.
Fig. 186: Directional valve position
28
Fig. 187: Directional valve
J
A
B
Position Function
•A
➥ ISO controls
•B
➥ SAE controls