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Seal Reassembly (
Figure 36
)
Be sure that all gasket surfaces are clean and that all holes, including oil holes, are properly
aligned between gasket and mating flange. Coat gasket with oil-graphite mixture to prevent
sticking.
1.
Assembly guide-ring spring (Item 26) and guide-ring assembly (Items 20, 24 and 25).
Check that travel of inner carbon seal ring (Item 20) is .06 in. minimum in each direction.
2.
Install retaining ring (Item 21) and inner carbon ring key (Item 27).
Tighten screws evenly
against spring pressure
.
3.
Replace O-ring (Item 10) in shaft shoulder groove.
4.
Install spray header gasket (Item 29) and spray header (Item 3).
5.
Install contact ring (Item 19), contact ring key (Item 18), shaft sleeve (Item 9) and shaft nut
(Item 8).
6.
Carefully install outer carbon ring (Item 17).
7.
Insert O-ring (Item 12) into packing gland (Item 14).
8.
Place contact sleeve (Item 16) face down on clean cloth or cardboard.
Click here for Figure 36 — Compressor Contact Seal (Open-Drive Machines)