Operation Manual / TPS44-H.. - TPS52-H..
12 Mothballing the turbocharger / 12.1 Taking the engine out of opera-
tion for up to 12months
© Copyright 2021 ABB. All rights reserved. HZTL4037_EN Rev.F May 2021
12 Mothballing the turbocharger
12.1 Taking the engine out of operation for up to
12months
State of the engine lubricating oil
The turbocharger normally remains attached to the engine. The measures to be taken for
mothballing the turbocharger depend on the state of the lubricating oil. No measures are
necessary under the following conditions:
¡ Acid number (TAN) <2mg KOH/g
¡ Before taking out of operation, the engine lubricating oil is replaced with a preservative
oil and circulated with the pre-lubrication pump. Residues of old engine oil are flushed
away in this way and the bearing parts are largely protected against corrosion.
Preparations for mothballing
WARNING
Handling operating materials and supplies
Swallowing or inhaling vapours of operating materials and supplies or con-
tact with them may be harmful to health.
u Do not breathe in these substances and avoid contact with the skin.
u Ensure proper ventilation.
u Observe the information in the material safety data sheet for the operat-
ing materials and supplies.
u Wear personal protective equipment (PPE) according to the material
safety data sheet.
u Comply with local legislation.
Wear safety goggles.
Wear safety gloves to protect against chemical hazards.
Wear a respiratory mask to protect against gases.
If the acid number (TAN) is greater than 2 mg KOH/g, the following mothballing measures
are necessary after taking out of operation:
u Remove turbocharger (see chapter Removing and Installing →28).
u Dismantle turbocharger (see chapter Dismantling and fitting →70).
u The rotor and bearing parts must be dismantled and refitted by an ABB Turbocharging
Service Station.
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