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USER
MANUAL
817NG
T
ECHNICAL
S
HEET
D.33
7845282-06 03/20
subject to change without notice
D.16
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 in temperature
between the oil and the environment (°C)
τ
w
: working time (minutes)
Содержание 817NG
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Страница 91: ...USER MANUAL 817NG TECHNICAL SHEET D 1 7845282 06 03 20 subject to change without notice D TECHNICAL SHEET...
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