Operation Manual / Power2 850-M / 4.2 High-pressure stage
5 Taking out of operation at short notice / 5.1 Possible emergency re-
pairs
© Copyright 2020 ABB. All rights reserved.
HZTL4063_EN
Rev.D
July 2020
5.1.2
Fitting the cover plate
Fig. 27: Fitting the cover plate
Part number
Thread and tightening torque
42099
M12x80
80 Nm
Table 15: Tightening torque (42099)
1. Remove air suction branch with bellows, wall insert, compressor casing and cartridge
group.
2. Close opening in bearing casing with gasket (02) and cover plate (01).
3. Secure cover plate (01) with spacer sleeve (03) and screws (42099).
Fig. 28: Installing the casing
4. Re-fit the compressor casing, the wall insert and air suction branch with bellows.
CAUTION
Escaping lubricating oil
Complete sealing of the lubricating oil supply is not guaranteed with the
cover plate fitted.
u
Close lubricating oil supply to high-pressure stage at engine side.
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