Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30
10 Mothballing the turbocharger / 10.1 Taking the engine out of opera-
tion for up to 12months
© Copyright 2018 . All rights reserved. HZTL2481_EN Revision C May 2018
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:
u Dismantle the turbocharger.
u The rotor and the bearing parts must be removed by an official ABB
Turbocharging service station and refitted afterwards.
u Clean all parts.
u Machined, bright surfaces of steel and cast parts must be oiled with
anticorrosive oil.
u Reassemble complete turbocharger.
Rotor turning in stack draught
If the rotor turns as a result of the stack draught:
u Install blind flange between compressor casing outlet flange and
charge air duct.
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