5-20 BA 1001/1501/2001 us – Edition 3.3 * * 12001b520.fm
Maintenance
5.9 Hydraulic system
Specific safety instructions
• Release the pressure in all lines carrying hydraulic oil prior to any maintenance and
repair work. To do this:
• Lower all hydraulically controlled attachments
• Move all control levers of the hydraulic control valves several times
• Hydraulic oil escaping under high pressure can penetrate the skin and cause severe
injury. Always consult a doctor immediately even if the wound seems insignificant –
otherwise severe infections could set in!
• If the hydraulic oil in the sight glass is cloudy, this indicates that water or air has
penetrated the hydraulic system. This can cause damage to the hydraulic pump!
• Oil or fuel flowing out of high pressure lines can cause fire or malfunctions, and severe
injury or damage to property. Interrupt work immediately if loose nuts or damaged
hoses and lines are detected.
☞Contact your Wacker Neuson dealer immediately
• Replace the hose or line if one of the problems mentioned below is detected.
☞Damaged or leaky hydraulic seals.
☞Worn or torn shells or uncovered reinforcement branches.
☞Expanded shells in several positions.
☞Entangled or crushed movable parts.
☞Foreign bodies jammed or stuck in protective layers.
Contaminated hydraulic oil, lack of oil or the wrong hydraulic oil can damage
the hydraulic system.
• Take care to avoid dirt when working!
☞Always add hydraulic oil using the filling screen!
☞Only use authorized oils of the same type
– see chapter 5.13 Engine/machine fluids and lubricants (1001 and
1501) on page 5-32
☞Always add hydraulic oil before the level gets too low
– see Adding hydraulic oil on page 5-22
☞If the hydraulic system is filled with biodegradable oil, then use only biode-
gradable oil of the same type for adding oil – observe the sticker on the
hydraulic oil reservoir!
☞Contact customer service if the hydraulic system filter is contaminated with
metal chippings. Otherwise, follow-on damage can result!
Use a suitable container to collect fluids and lubricants as they flow out and
dispose of them in an environmentally friendly manner.
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