Maintenance - hydraulic system
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25 Maintenance - hydraulic system
If the basic safety instructions are not followed, people may be seriously injured or
killed.
• To avoid accidents, the basic safety instructions in the chapter Safety must have been read
and followed, see chapter Safety "Basic safety instructions".
Damage to the machine due to soiling of the hydraulic system!
If foreign objects or liquids get into the hydraulic system, the hydraulic system may be severely
damaged.
• Clean hydraulic connections and components before removal.
• Seal open hydraulic connections with protective caps.
• Ensure that foreign objects or liquids do not get into the hydraulic system.
Disposing and storing oil and used oil filters
If oil and used oil filters are not stored and disposed of properly, the environment may be
damaged.
• Store or dispose of used oil and oil filters according to statutory regulations.
25.1 Over-pressure valves
NOTE
Over-pressure valves preset in the factory.
Work on the over-pressure valve may be carried out by KRONE customer service only.
The valve blocks have been equipped with over-pressure valves. These valves were preset in
the factory and must not be changed.
25.2 Hydraulic oil
If non-approved hydraulic oils or a mixture of different oils are used, the hydraulic
system may be damaged.
• Never mix different types of oil.
• Never use engine oil.
• Use approved hydraulic oils only.
Filling quantities and types of oil: See chapter Description of machine "Consumables".
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