BA DT10 en - Edition 1.5 * dt10b520.fm 5-17
Maintenance
5.5 Hydraulic system
Specific safety instructions
• Release the pressure in all lines carrying hydraulic oil prior to any maintenance and
repair work. To do this:
• Set down all hydraulically activated work equipment on the ground and
• actuate all control levers of the hydraulic controllers several times.
• Hydraulic oil escaping under high pressure can penetrate the skin and cause serious
injury. Always consult a doctor immediately, even if the wound seems insignificant –
otherwise serious 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 system!
☞Contact your Wacker Neuson dealer immediately
• Oil or fuel flowing out of high pressure lines can cause fire or malfunctions, and serious
injury or damage to property. Interrupt work immediately in case of loose nuts or
damaged lines.
☞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.
Dirty hydraulic oil, lack of oil or wrong hydraulic oil –
Risk of serious damage to 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 5.9 Fluids and lubricants on page 5-35
☞Always add hydraulic oil before the level gets too low – see Adding
hydraulic oil on page 5-18
☞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!
Collect drained hydraulic oil and biodegradable oil in a suitable container!
Dispose of drained oil and used filters by an ecologically safe method.
Always contact the relevant authorities or commercial establishments in charge of oil dis-
posal before disposing of biodegradable oil.
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