MAN Diesel & Turbo SE Generator Set 7L23/30H

Enter the pH value of the feed water

Enter the conductivity of the feed water

Enter the hardness of the feed water

Enter the oxygen content or surplus at oxygen binder of the feed water

Are all measurements within the normal range?

Document any anomalies or issues observed during the check

Examine the piping system for leaks

Retighten all bolts and nuts in the piping system

Move all valves and cocks in the piping system

Lubricate valve spindles with graphite or similar

Connection and Instrument Check

Check flexible connections for leaks and damages

Ensure the engine is cooled down before starting the cleaning procedure

Do not inhale developed gases and fumes

Observe Safety Data Sheets or Operating Instructions of the relevant manufacturer

Check for contamination in the coolant system

Is the degree of contamination high?

Check for indications of oil content in water

Measure the concentration of chemical additives

Is the concentration of chemical additives within the recommended range?

Document the results of the chemical additive concentration test

Send a coolant sample to an independent laboratory or engine manufacturer for analysis

Coolant Replacement and System Cleaning

Is the coolant older than 3 years?

Condensate Water Quality Measurements

Measure the hardness of the condensate water

Measure the iron content in the condensate water

Measure the additive concentration in the condensate water

Is the hardness within acceptable limits?

Is the iron content within acceptable limits?

Is the additive concentration within manufacturer specifications?

Document any deviations or observations