Operation Manual / Power2 850-M / 4.1 Low-pressure stage
4 Disassembly and assembly / 4.12 Installing the cartridge group
© Copyright 2020 ABB. All rights reserved.
HZTL4062_EN
Rev.C
July 2020
Fig. 23: Inserting the cartridge group
Part number
Thread and tightening torque
42087
M12x60
80 Nm
Table 9: Tightening torque (42087)
1. Screw in a guide stud (90321) in the upper area on the left and right.
2. Insert cartridge group via the guide studs.
3. Coat a screw (42087) with high-temperature grease and screw in to secure the cartridge
group.
4. Remove plates (90031) and bracket (90030).
5. Remove the guide stud (90321).
6. Coat thread of remaining screws (42087) with high-temperature grease and fit screws.
Observe tightening torque.
7. Fit a new O-ring (42012).
Control dimension after installing cartridge group
CAUTION
Control dimension outside the tolerance value
If the control dimension is out of tolerance, the cartridge group has not
been correctly installed and can be the cause of serious damage to the ma-
chine or property.
u
Remove and reinstall the cartridge group.
u
Always replace jammed gasket rings with new ones.
u
If the control dimension is still out of tolerance, contact an ABB Tur-
bocharging Service Station.
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