Alfa Laval Contherm 6X11, Instruction Manual

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8 Inspection & Maintenance
8.8.1 Replacing O-Rings in The Stack Valve Assembly
Table 8-24. Replacing O-Rings in The Stack Valve Assembly
Steps Action
1 Drain the hydraulic fluid from the Contherms
™
Rotor Lift System and disconnect all hydraulic lines (tubing)
from the Stack Valve Assembly’s center section.
WARNING: Ensure that all the Contherms
™
clamps are securely fastened before proceeding.
2 Remove the two hex nuts (P/N 7401248-03) from the mounting bracket (P/N 7401781-01) located on the
inlet side of the center section assembly. Refer to Figure 8-14.
3 Remove the Inlet Body (P/N 7402083-02) from the center section.
4 Carefully remove all five O-rings (P/N 7401137-24) from the center section. Clean the area on the center
section of any debris or O-ring remains. Install five new O-rings.
5 Reattach the Inlet Body to the center section assembly.
6 Reattach the mounting bracket and refasten it with the two hex nuts.
7
Remove the two hex nuts (P/N 7401248-03) from the mounting bracket (P/N 7401781-01) located on the
outlet side of the center section assembly. Refer to Figure 8-14.
8 Remove the Outlet Body (P/N 7402083-04) from the center section.
9 Carefully remove the five O-rings (P/N 7401137-24) from the center section. Clean the area on the center
section of any debris or O-ring remains and install five new O-rings.
10 Reattach the Outlet Body to the center section assembly.
11 Reattach the mounting bracket and refasten it with the two hex nuts.
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