ABB PT003901 - Fitting the Cover Plate; Fig. 43: Attaching a Cover Plate; Table 51: Tightening Torque (51007)

Operation Manual / Power2 340-H / High-pressure stage
10 Taking out of operation at short notice / 10.3 Fitting the cover plate
© Copyright 2022 ABB. All rights reserved. HZTL4054_EN Rev.F March 2022
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.
u Remove high-pressure stage (see chapter Removal and installation →30).
u Fit the turbine casing with the gas outlet casing into the gas pipe again.
u Attach the cover plate (see following section).
Fig.43: 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 (see Fig.45: Figure for cover plate, slots for O-rings
→92).
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 Tightening torque [Nm]
51007 M10
45
Table51: Tightening torque (51007)
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