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Section 5 • Maintenance/Service
Shaft Seal Removal – For Part# 28985W and
28985WA
(see Table 5-16 and Figure 5-63)
WARNING
Follow local lock-out/tag-out procedure. Compressors
must be depressurized before attempting to do any
work on them. Failure to comply may result in serious
injury, death and/or damage to equipment.
There will be a small amount of oil drainage as the
shaft seal housing is removed.
1. Prepare compressor for disassembly (standard no-
menclature from other area of manual.
2. Loosen and remove screws (281) mounting shaft
seal housing (218) to main compressor housing.
3. Carefully thread three screws (281) into the jacking
holes in the shaft seal housing (218) to push it out
of the main compressor housing. Do not go more
than one-half turn on any screw at a time.
4. Once the shaft seal housing (218) has been re-
moved from the compressor housing, loosen the 4
small socket cap screws (303) holding the shaft seal
retainer (304) to the shaft seal housing (218).
5. Using a hammer and punch, carefully tap the seal
cartridge (305) out of the shaft seal housing (218).
6. Remove oil seal (230) from shaft seal housing (218).
281
218
230
Figure 5-63. Shaft Seal Breakdown (
VSS/VSM/VSH/VSSH • Installation, Operation and Maintenance Manual • Emerson • 35391SD
NOTE
219B
306
305
304
Stationary
Face
7. Remove the O-ring (260) from the shaft seal hous-
ing (218).
8. The rotating assembly (219C) can be firmly pulled
off the compressor shaft as one assembly. Be sure
to note the location of the drive pin in the main
compressor shaft for re-assembly. See Figure 5-61.
219C
301A
301B
303
260
Rotating
Face
28985W and 28985WA Only
301C
Shaft
)
5 – 59
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