Maintenance
232
Hydraulic oil
Note!
PALFINGER recommends the use of biodegradable oil. Even
biodegradable oil must not be released into the environment.
Required characteristics
Hydraulic oil
Operating temperature
Synthetic ester (biologically degradable):
approx. -30 to +80ºC (-22°F to +176°F)
Mineral oil (not biologically degradable):
approx. -30 to +80ºC (-22°F to +176°F)
Use either synthetic ester (biologically degradable) or mineral oil (not biologically degradable).
The hydraulic fluid has a working range of between -30° and 80°C (-22°F and +176F), depending on
the outside temperature.
The ideal operating temperature of the hydraulic fluid is b 30 and + 60ºC (+86°F and +140°F).
Always read off hydraulic fluid temperature after using the crane.
If this temperature range is exceeded frequently, please contact a PALFINGER service partner.
Recommended characteristics
x
Favorable viscosity/temperature behavior.
x
Good thermal and mechanical properties;
x
Considerable ageing resistance.
x
Good corrosion protection;
x
Sufficient cold flow behavior.
x
Good air release capability.
x
Excellent foam behavior;
x
Does not attack seals and hydraulic hoses.
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