SD7H15 Type C Service Manual
Prepared July 1999 – Application Engineering
11
4. Service Operations – Shaft Seal
4.1 Replacement of Lip type shaft seal.
Note: Lip seal assembly and felt ring must never be reused.
Always replace these components.
1.
Be sure all gas pressure inside the compressor has been relieved.
2.
Remove clutch assembly as detailed in section A.
3.
Remove the felt ring assembly using a small screwdriver to pry it
out.(Fig.14)
4.
Remove seal snap ring with internal snap ring pliers.(Fig.15)
5.
Use lip seal removal and installation tool to remove lip seal assembly.
Twist the tool until the 2 lips on the tool engage the slots in the lip seal
housing and pull the seal out with a twisting motion.(Fig.16) Clean out
shaft seal cavity completely. Make sure all foreign material is completely
removed.
Fig.14 Felt ring removal
Fig.15 Snap ring removal
Fig.16 Shaft seal removal
