Palfinger PK 48000 Betriebsanleitung Seite 73

Maintenance
As the viscosity of hydraulic fluids changes considerably through fluctuations in temperature,
compromises cannot be avoided in their selection. For your PALFINGER crane the following limit
values apply:
• High temperatur range:
• Cold start limit:
• Purity class:
Owing to different basic products different service temperatures apply:
• Fluids based on mineral oil:
• Biodegradable fluids:
The ideal operating temperature of the hydraulic fluid is between 30°C and 60°C
10 cSt
1000 cSt
15/12 (nach ISO 4406)
Fully synthetic ester:
Native ester:
Fluids based on rape oil:
6.1-5
approx. -30 bis +80°C
approx. -30 bis +80°C
approx. -20 bis +80°C
approx. -20 bis.+65°C