Taking The Engine Out Of Operation For More Than 12 Months - ABB XAC25849 Operation Manual

Operation Manual / TPR56-F + TPR61-F
7 Mothballing the turbocharger / 7.2 Taking the engine out of opera-
tion for more than 12 months
7.2 Taking the engine out of operation for more
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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.
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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.
than 12 months
If the engine is taken out of operation, the following variants are pos-
sible with regard to the turbocharger:
¡
The turbocharger remains mounted on the engine.
¡
The turbocharger is removed completely.
See the section Taking out of operation for up to 12 months, under
Mothballing measures, for the measures always necessary when moth-
balling turbocharger parts.
If the turbocharger remains mounted on the engine, refer to the section
Taking out of operation for up to 12 months, under Rotor turning in
stack draught.
If the complete turbocharger is removed:
Close all turbocharger openings using wooden covers and paraffin
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paper.
Only dry rooms with 40 ... 70 % atmospheric humidity, in which no water
condensation can form, are suitable as storage locations.
Condition of the mothballed turbocharger
Check the turbocharger for corrosion once per annum.
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If there are signs of rust: Clean parts thoroughly and renew protection
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against corrosion.
HZTL2499_EN Revision F December 2018