Coolant
inspecting
Summary
Acquire and check typical values of the operating media to prevent or limit
damage.
The fresh water used to fill the coolant circuits must satisfy the specifications.
The coolant in the system must be checked regularly in accordance with the
maintenance schedule.
The following work/steps is/are necessary:
Acquisition of typical values for the operating fluid,
evaluation of the operating fluid and checking the anticorrosive agent con-
centration.
Tools/equipment required
The following equipment can be used:
▪
The MAN Diesel & Turbo water testing kit, or similar testing kit, with all
necessary instruments and chemicals that determine the water hardness,
pH value and chloride content (obtainable from MAN Diesel & Turbo or
Mar-Tec Marine, Hamburg).
When using chemical additives:
▪
Testing equipment in accordance with the supplier's recommendations.
Testing kits from the supplier also include equipment that can be used to
determine the fresh water quality.
Testing the typical values of water
Typical value/property
Water for filling
and refilling (without additive)
Circulating water
(with additive)
Water type
Fresh water, free of foreign matter
Treated coolant
Total hardness
≤ 10 dGH
1)
≤ 10 dGH
1)
pH value
6.5 – 8 at 20 °C
≥ 7.5 at 20 °C
Chloride ion content
≤ 50 mg/l
≤ 50 mg/l
2)
Table 1: Quality specifications for coolants (short version)
1)
dGH
German hardness
1 dGH
= 10 mg/l CaO
= 17.9 mg/l CaCO
3
= 0.179 mmol/L
2)
1 mg/l
= 1 ppm
Equipment for checking the
fresh water quality
Equipment for testing the
concentration of additives
Short specification
2017-03-21 - de
Quality guidelines (conventional and Common Rail engines)
Quality guidelines (conventional and Common Rail engines)
General
MAN Diesel & Turbo
010.000.002-03
M010.000.002-03-0001 EN
1 (2)
Summary of Contents for L23/30DF
Page 1: ...L27 38S Project Guide Power Plant Four stroke GenSet...
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Page 9: ...MAN Diesel Turbo I 00 Introduction Page 1 1 I 00 Introduction 2018 04 13 en...
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Page 293: ...ENGINE AUTOMATION MAN Diesel Turbo SE SaCoSone GENSET System description Revision 1 5...
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Page 327: ...MAN Diesel Turbo B 20 Foundation Page 1 1 B 20 Foundation 2018 04 13 en...
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Page 335: ...MAN Diesel Turbo B 21 Test running Page 1 1 B 21 Test running 2018 04 13 en...
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Page 341: ...MAN Diesel Turbo E 23 Spare parts Page 1 1 E 23 Spare parts 2018 04 13 en...
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Page 351: ...MAN Diesel Turbo P 24 Tools Page 1 1 P 24 Tools 2018 04 13 en...
Page 379: ...MAN Diesel Turbo B 50 Alternator Page 1 1 B 50 Alternator 2018 04 13 en...
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