48
ZTKS0156 / Z31820 / Rev.: 03
Assembling
Top of the Cryostat
Figure 4.23: Assembling the RT Tube - step 6
18. Mount the O-ring (1) to the RT tube.
Figure 4.24: Assembling the RT Tube - step 7
19. Grease six M 5 x 12 screws with screw
grease.
20. Mount the lower RT closure flange to the
end of the RT tube. Push the RT closure
flange with the RT tube inside the cryostat.
Check the index. The lower RT closure
flange can be inserted in only one position.
21. Fix the bottom RT closure flange with the six
screws (torque 12 Nm).
Figure 4.25: Assembling the RT Tube - step 8
22. Mount the upper RT reduction flange. Res-
pect the correct position if an eccentrically
upper RT reduction flange was used. Align
the marks at the RT vessel and the upper
RT reduction flange.
23. Grease twelve M 5 x 12 screws with screw
grease.
24. Fix the upper RT reduction flange with the
twelve screws (torque 12 Nm).
25. Grease six M 5 x 12 screws with screw
grease.
26. Fix the upper RT closure flange with the six
screws (torque 12 Nm).
Respect the correct position if an eccen-
trically upper RT closure flange was used.
Align the marks at the RT closure flange
with the marks at the RT vessel and the
upper RT reduction flange.