7-40 BA ET18, 20, 24 en* 1.5 * et18_20_24w710.fm
7 Maintenance
7.12 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
immediately with clean water and seek medical treatment.
► Do not search for hydraulic leaks with your bare hands. Wear
protective gloves and search for hydraulic leaks with a piece of
cardboard.
► Always consult a doctor immediately, even if the wound seems
insignificant. Hydraulic oil causes blood poisoning.
In order to avoid damage to the hydraulic system:
► Use hydraulic oil and grade according to fluids and lubricants table.
► Add hydraulic oil using the filling screen.
► Check the hydraulic oil level once a day.
► 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
biodegradable 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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