Operation Manual / A200-L
11 Mothballing the turbocharger / 11.2 Taking the engine out of opera-
tion for more than 12months
© Copyright 2021 ABB. All rights reserved. HZTL4036_EN Rev.T December 2021
u Fit turbocharger completely.
Rotation of the rotor in the stack draught
If the rotor turns as a result of the stack draught:
u Install a blind flange between the outlet flange of the compressor casing and the charge
air duct.
11.2 Taking the engine out of operation for more than
12months
If the engine is taken out of operation, the following variants are possible with regard to the
turbocharger:
¡ Turbocharger remains attached to the engine
¡ The casings of the turbocharger remain attached to the engine, the rotor and bearing
parts are dismantled by an ABB Turbocharging Service Station and stored separately
¡ The turbocharger is completely removed, either as a whole unit or in individual parts
For the measures always necessary for preparing the turbocharger parts for mothballing,
see section Taking the engine out of operation for up to 12months, subsection Preparations
for mothballing.
If the turbocharger remains attached to the engine, see section Taking the engine out of op-
eration for up to 12months, subsection Rotor turning in stack draught.
If the complete turbocharger is removed or the turbocharger is assembled again from the
individual parts:
u Seal all openings of the turbocharger with paraffin paper and wooden lids.
Only dry rooms with 40 ... 70 % atmospheric humidity, in which no water condensation can
form, are suitable as storage locations.
State of the mothballed turbocharger
u Check the turbocharger parts annually for corrosion.
u If there are signs of rust: Thoroughly clean parts and renew corrosion protection.
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