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Table 9-1
Gearbox - heat exchanger unit
Gearbox
Z.128
Z.148
Z.168
Z.188
K.108
K.128
K.148
K.168
K.188
FZ.108B
FZ.128B
FZ.148B
FZ.168B
FZ.188B
FZ.208
9.1.3
Coolant - water and oil
Coolant - water
CAUTION
Not suitable for seawater
The heat exchanger unit is not suitable for seawater.
CAUTION
Usage below 4 °C
The coolant must be mixed with anti-freeze.
The freezing temperature of the coolant must always be lower than the possible outside temperature.
CAUTION
Avoid corrosion
The pH value of the cooling water must be ≥ 6.
For alkaline water the water hardness should be ≥6°dH.
Take the water quality and constituents into consideration when you assess the suitability of the existing water for the unit.
Do not use contaminated cooling water. If the heat exchanger unit is contaminated, a blockage may occur and this will lead
to failure of the oil cooling.
Industrial water and water from streams and rivers is untreated and is not suitable as drinking water. Since this water may
contain a considerable amount of chemical impurities, a water analysis is required to provide a precise assessment.
Normally, copper, brass and steel are highly resistant to industrial water.
Observe the following limit values:
Flow rate - volumetric flow
[l/min]
4 ... 17
18
d1
[mm]
104
127
104
127
d2
["]
R1/2
R1
R1/2
R1
Pressure
Water temperature
[bar]
[°C]
Max. 16
5 ... 30
e
[mm]
35
39
35
39
BA 2510
A5E38121849A/RS-AB, 10/2016
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