Tables
Technical data
BA RD24_RD28 en us 06
129
5.00.02 Hydraulic oil
The most important characteristic of a pressure fluid is its viscosity. Compliance with the permissible
viscosity ranges is especially important for pumps and hydraulic motors. Too high a viscosity leads to
cavitation, too low a viscosity increases leak losses = overheating, and thus a further fall in the viscosity. In
the end, the limit of the lubricating capability is reached.
[W] Winter conditions in Central Europe
[S] Summer conditions in Central Europe or in enclosed premises
[T] Tropical conditions or in premises subject to high amounts of heat
[U] Excessive amounts of heat (for example from combustion engines)
[X] Pressure fluid temperature range
[V
opt
] Optimal operating viscosity range
[1000 =] Maximum permissible (short-term) viscosity
[II =] 100 mm
2
/s (t
max
= +90 °C) ... 1000 mm
2
/s (t
min
= -25 °C)
5.00.03 Use of biologic hydraulic oil
The hydraulic system of the machine is generally filled with mineral oil in factory. All maintenance intervals
given in these maintenance instructions are related to mineral oil.
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