Table of Contents
Advertisement
Operation Manual / Power2 550-M / High-pressure stage
10 Taking out of operation at short notice / 10.3 Fitting the cover plate
10.3
Fitting the cover plate
The cover plate has two functions. It seals the turbine casing from exhaust gas and the
bracket from oil leaks.
Remove high-pressure stage (see chapter
u
Fit the turbine casing with the gas outlet casing into the gas pipe again.
u
Attach the cover plate (see following section).
u
Fig. 45: Attaching a cover plate
1. With the high-pressure stage, make sure that the oil connections of the high-pressure
stage are sealed with a gasket under the cover plate (01) or with O-rings inside the cover
plate (01). If the O-rings of the high-pressure stage are used, slots must be cut in the
contact surface of the cover plate
→98).
2. Close the opening in the turbine casing (51000) with the cover plate (01).
3. Thoroughly clean the fastening strips (51002) before assembly. Coat the threads of the
studs (51006) with high-temperature grease.
4. Fasten cover plate (01) to turbine casing (51000) with fastening strips (51002), Verbus
Ripp® washers (51003) and nuts (51007) and screw to bracket.
Part number
51007
Table 53: Tightening torque (51007)
© Copyright 2022 ABB. All rights reserved.
Removal and installation
(see Fig. 47: Figure for cover plate, slots for O-rings
Tightening torque [Nm]
HZTL4058_EN
→30).
M12
75
Rev.F
March 2022
Advertisement
Chapters
Table of Contents
