Operation Manual / Power2 850-M / 4.1 Low-pressure stage
4 Disassembly and assembly / 4.10 Installing the nozzle ring and tur-
bine diffuser
© Copyright 2019 ABB. All rights reserved.
HZTL4062_EN
Revision A
March 2019
4.10
Installing the nozzle ring and turbine diffuser
Fig. 19: Installing the nozzle ring and turbine diffuser 1
Part number
Thread and tightening torque
56017
M8 Tx40
25 Nm
Table 7: Tightening torque (56017)
1. Fit nozzle ring (56001).
2. Coat thread of screws (56017) with high-temperature grease. Fit clamps (56018) and
screws (56017).
3. Tighten screws with torque spanner using the box spanner insert (90770). Observe the
tightening torque.
4. Screw in a guide stud (90316) in the upper area on the left and right.
5. Secure lifting gear to swivel lifting eye (90231).
(Installation of bracket and plate
(see Fig. 17: Removing turbine diffuser and nozzle ring 3
)
6. Insert turbine diffuser (63000) via the guide studs.
7. Coat a screw (61056) with high-temperature grease and screw in to secure the turbine
diffuser.
Page
21
/
43