ABB HT608319 Operation Manual page 35

Operation Manual / A130-M.. - A145-M..
3 Removing and Installing / 3.2 Removing the turbocharger
Version with water cooling
CAUTION
Freezing of the cooling water in the bearing casing
If cooling water freezes in the bearing casing, this can lead to severe dam-
age.
For transport and storage of the turbocharger, drain the cooling water
u
from the bearing casing via one of the two bottom openings of the water
connections.
3.2.1 Fastening of the turbocharger
Depending on the type and version, the turbocharger can be fastened in different ways. The
appropriate procedure must be chosen to undo the connection.
Oil-cooled bearing casing (A)
Attach lifting gear to the suspension eye.
u
Loosen and remove nuts (E). If clamping nut (D) is present: Loosen in accordance with
u
chapter Loosening the clamping nut
Positioning the turbocharger for storage
u
Water-cooled bearing casing (B)
Loosen and remove water connections. Close the openings of the water connections with
u
screw plugs.
Attach lifting gear to the suspension eye.
u
Loosen and remove nuts (E). If clamping nut (D) is present: Loosen in accordance with
u
chapter Loosening the clamping nut
Positioning the turbocharger for storage
u
Hydraulic loosening (round special nut)
Attach lifting gear to the suspension eye.
u
Loosen the round special nut with a hydraulic tool according to the instructions of the en-
u
ginebuilder.
Positioning the turbocharger for storage
u
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HZTL4031_EN Rev.N March 2021