Installing The High-Pressure Stage - ABB Power2 800-M Original Assembly Instructions

Assembly Instructions / Power2 800-M
5

Installing the high-pressure stage

5 Installing the high-pressure stage
Fixing elements and installation force
The fixing screws and sleeves for fastening the high-pressure stage are not included in the
ABB Turbo Systems scope of delivery and must be designed by the enginebuilder in accord-
ance with the following details.
Bearing casing
Figure 7: Fixing elements
Subject
Fixing elements
Washers under the screw head
or nut
Sleeves
Table 10: Fixing elements
The required installation pre-tension force for the fixing elements of the turbocharger are de-
fined in table (see Table 11). An appropriate tightening method must be chosen for assembly.
For the case of the torque-controlled tightening method, an appropriate tightening torque is
defined in table (see Table 11) in accordance with VDI2230.
Power2 Subject
850 HP Thread size
Quantity
High-pressure stage clamping length a
Minimum screw-in depth E
Bracket clearance depth D
Bracket clearance diameter G
Installation pre-tensioning force F
Sleeve outside diameter d
Sleeve inside diameter d
© Copyright 2016 ABB. All rights reserved.
Requirements
Plug bolt or screw with washer
Use hardened washers,
thickness ≥ 15% of the nominal thread diameter
Strength class 10.9 (DIN EN ISO 898-1)
min
M
30 +0.021 +0.008 mm
a,H
i,H
HZTL455311P0010
Support
Requirements
Bearing casing
M20
2
50 mm
30 mm
20 mm
30 +0.02 -0 mm
190 kN
Chamfering 0.5x45°
22 mm
Revision -
Page 14 / 21
Requirements
Support
M20
3
30 mm
30 mm
20 mm
22 mm
190 kN
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March 2016