OM 28Z3 US – Edition 2.0 * 28Z3b340.fm 3-45
Operation
Directional valve
The changeover valve switches from ISO to SAE controls and vice versa.
☞ Tighten wing nut J after changing control mode.
Warning!
Possible equipment damage or injury hazard. Never drive or work with the
machine if wing nut J is malfunctioning or missing!
• Immediately contact Wacker Neuson to replace a malfunctioning or miss-
ing wing nut.
Fig. 56: Directional valve
J
A
B
Position Function
A ➥ ISO controls
B ➥ SAE controls
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