5-20 BA 1404 en – Edition 2.7 * * 1404b520.fm
Maintenance
5.9 Hydraulic system
Important information on the hydraulic system
Burn hazard when performing maintenance on a hot engine and
hydraulic system.
Can cause serious injury or death.
☞ Wait at least 10 minutes after stopping the engine.
☞ Wear protective equipment.
Danger of fluid escaping under high pressure! Removing the filler
plug can cause oil to escape.
Can cause serious injury or death.
☞ Do not operate the machine with leaking or damaged hydraulic system
components.
☞ Open the breather filter carefully to slowly release the pressure inside the
reservoir.
☞ Wear protective equipment.
☞ Wear safety glasses to protect the eyes. If oil contacts the eye, flush imme-
diately with clean water and seek medical treatment.
In order to avoid damage to the hydraulic system:
• Use hydraulic oil and grade according to fluids and lubricants table.
• Always add hydraulic oil using the filling screen.
• If the hydraulic oil in the sight glass is cloudy, this indicates that water or air has
penetrated the hydraulic system. Contact a Wacker Neuson service center.
• If the hydraulic system is filled with biodegradable oil, then use only biode-
gradable oil of the same type for filling up – observe the sticker on the hydraulic
oil reservoir.
• Contact a Wacker Neuson service center if the filter of the hydraulic system is
dirty.
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