Propeller Shaft Grooves: Difference between revisions
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Methods to deal with groves on the propeller shaft: | Methods to deal with groves on the propeller shaft: | ||
# Add/Re-position spacers between the seals | # Add/Re-position spacers between the seals | ||
# Machine propeller shaft and add a 316SS sleeve to return to original size | # Machine propeller shaft and add a 316SS sleeve to return to original size | ||
# Replace propeller shaft | # Replace propeller shaft | ||
<br> | <br> | ||
Revision as of 14:06, 30 July 2026
It is an issue that Gori propellers installed on a SD20 saildrive will form grooves over time which will result in sea water penetration. Periodic repositioning of the seals using shims (P/N 196315-02880 Circlip, Needle 52) allow longer life from the propeller shafts.
Methods to deal with groves on the propeller shaft:
- Add/Re-position spacers between the seals
- Machine propeller shaft and add a 316SS sleeve to return to original size
- Replace propeller shaft
Notes:
- Propeller shaft diameter: 35mm (where the seals ride)
- Propeller shaft material: Likely 17-4 ph
- Speedi Sleeve: The 99139 SKF For 35.00mm/1.375" Shaft has been installed over the propeller shafts by others - this is a bad idea. The Speedi Sleeve is not rated for continuous salt water immersion so it is not recommended.
