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OIL-COOLED DEVICES
5.2 Oil-cooled devices
The following instructions must be observed when using the device.
5.2.1 Heat sink and operating pressure for oil-cooled devices
Design system Material
max. operating pressure
Connection
Aluminium heat sink Aluminium 3.3206 10 bar
=> „5.2.3 Connection of
the oil cooling system“
NOTICE
Deformation of the heat sink!
► In order to avoid a deformation of the heat sink and the damages
thereby, the indicated maximum operating pressure may not be
exceededbrieyalsobypressurepeaks.
► The Pressure Equipment Directive 2014/68/EU on pressure equip-
ment must be observed!
5.2.2 Oil requirements
General requirements for the oil:
Requirement Description
Characteristic of the oil Hydraulic oil HLP 46 (ISO VG 46)
Oils with appropriate prop-
erties
• Mobil DTE 25
• Shell Tellus Oil 46
• Castrol Hyspin ZZ 46
Or similar oils
Table 43: Oil requirements
Special requirements for open and half-open cooling systems:
Requirement Description
Impurities Mechanical impurities in half-open cooling systems can be counteracted by using
appropriatelters.
Organic materials The contamination with organic materials must be kept as small as possible, be-
cause separate slime can be caused by this
Table 44: Special requirements for open and semi-open cooling systems for oil coolers
Damage to the device resulting from clogged heat sinks or other obvious usage
failures leads to the loss of warranty claims.
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