Operation Manual / Power2 850-M / 4.2 High-pressure stage
2 Removal and installation / 2.2 Removing the high-pressure stage
© Copyright 2017 ABB. All rights reserved. HZTL4063_EN Revision A August 2017
2.2 Removing the high-pressure stage
CAUTION
Tilting of high-pressure stage and leaks at bellows
The high-pressure stage must not be transported or put down with the air
suction branch and the bellows fitted.
u The air suction branch / bellows combination must be removed, trans-
ported and put down separately.
Fig.1: Suspension of complete high-pressure stage
u Remove insulation.
u Disconnect all gas, air, water and oil pipes in accordance with the enginebuilder's instruc-
tions.
u Unplug the cable connector at the speed sensor.
u Remove air suction branch together with bellows (see Fig.4: Removing the air suction
branch →11).
u Check lifting gear.
u Attach one lifting gear to the two suspension points of the bearing casing and one lifting
gear to the support.
u Undo fixing screws at foot and support.
u Lift the high-pressure stage from the engine and put it down.
u Cover the oil connection.
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