Technical Specification
14
BP8000
5.4 Hydraulic Power Unit
Figure 4 – Hydraulic Power Unit
5.5 Oil
Use wear proof oil for hydraulic drive, in conformity with ISO 6743/4 rules (HM
class). The oil with features similar to those shown in the table is recommended.
Test standards
Features
Value
ASTM D 1298
Density 20°C
0.8 kg/l
ASTM D 445
Viscosity 40°C
32 cSt
ASTM D 445
Viscosity 100°C
5.43 cSt
ASTM D 2270
Viscosity index
104 N°
ASTM D 97
Pour point
~ 30 °C
ASTM D 92
Flash point
215 °C
ASTM D 644
Neutralization number
0.5 mg KOH/g
Change hydraulic oil at 1 year intervals