Technical Specification 16
Kwik Bay
5.4 Hydraulic Power Unit
Figure 3 – 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
Emergency
hand pump
Emergency
lowering
screw
Maximum
pressure
valve
Motor
Oil tank
Lowering
solenoid
valve