7.3.6
Lubricating oil cooler (2E01)
The external lubricating oil cooler can be of plate or tube type.
For calculation of the pressure drop a viscosity of 50 cSt at 60°C can be used (SAE 40, VI 95).
Design data:
see Technical data, "Oil flow through engine"
Oil flow through cooler
see Technical data
Heat to be dissipated
80 kPa (0.8 bar)
Max. pressure drop, oil
see Technical data, "LT-pump capacity"
Water flow through cooler
60 kPa (0.6 bar)
Max. pressure drop, water
49°C
Water temperature before cooler
56°C
Oil temperature before engine
1.0 MPa (10 bar)
Design pressure
min. 15%
Margin (heat rate, fouling)
Fig 7-10
Main dimensions of the lubricating oil cooler
Dimensions [mm]
Weight, dry
[kg]
Engine
D
C
B
A
L
W
H
300
330
1057
380
1217
690
1675
840
W 6L46DF
300
330
1057
380
1467
690
1675
890
W 7L46DF
300
330
1057
380
1467
690
1675
950
W 8L46DF
300
330
1057
380
1717
690
1675
1010
W 9L46DF
300
330
1057
380
1717
690
1675
1070
W 12V46DF
300
330
1057
380
1967
690
1675
1190
W 14V46DF
300
330
1057
380
1967
690
1675
1240
W 16V46DF
DBAD209883
7-17
7. Lubricating Oil System
Wärtsilä 46DF Product Guide
Summary of Contents for 46DF
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