USER
MANUAL
925NG
T
ECHNICAL
S
HEET
D.38
7844058-00 03/20
subject to change without notice
D.15
OIL COOLER
TECHNICAL SPECIFICATIONS
Heat transfer coefficient: 235 W/K (oil flow rate of 40
ℓ/min
)
Activation temperature: 48 °C
Weight: 13.5 kg
Capacity: 4
ℓ
For a crane without oil cooler performing a sequence of standard work cycles, the difference in
temperature between the oil and the environment is shown in the graph below.
The oil cooler is recommended when
T
env
+
τ
w
> 57
where:
T
env
: temperature of the environment (°C)
∆T : difference i
n temperature between the oil and the environment (°C)
τ
w
: working time (minutes)