ABB HT845994 Operation Manual page 112

Operation Manual / TPL65-A10 / -A30
10 Mothballing the turbocharger / 10.1 Taking the engine out of opera-
tion for up to 12 months
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If the total acid number (TAN) is greater than 2 mg KOH/g, the following
mothballing measures are necessary after taking an engine out of opera-
tion:
Dismantle the turbocharger.
u
The rotor and the bearing parts must be removed by an official ABB
u
Turbocharging service station and refitted afterwards.
Clean all parts.
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Machined, bright surfaces of steel and cast parts must be oiled with
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anticorrosive oil.
Reassemble complete turbocharger.
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Rotor turning in stack draught
If the rotor turns as a result of the stack draught:
Install blind flange between compressor casing outlet flange and
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charge air duct.
HZTL2482_EN Rev.E March 2020