Saildrive Seal Replacement: Difference between revisions
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The 99139 SKF Speedi Sleeve For 35.00mm/1.375" Shaft has been installed over the propeller shaft - this is a bad idea. The Speedi Sleeve is not rated for continuous salt water immersion so it is not | The 99139 SKF Speedi Sleeve For 35.00mm/1.375" Shaft has been installed over the propeller shaft - this is a bad idea. The Speedi Sleeve is not rated for continuous salt water immersion so it is not 17-4 ph (likely the propeller shaft material) or 316SS.<br> | ||
Revision as of 08:39, 29 July 2026
Stuck bolt removal: File:Removal of frozen bolts on SD20 saildrive.pdf
Instructions: File:SD20 Seal Replacement Instructions.pdf
SD20 disassembly and reassembly video: External Link
Key Parts:
- 1:00 Disassembly of the propeller shaft assembly from the saildrive
- 9:00 Removal of the seals
- 9:09 Installation of shims and seals
- 11:07 Installation of propeller shaft assembly into saildrive
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 (35mm)
- Replace propeller shaft
Notes:
The 99139 SKF Speedi Sleeve For 35.00mm/1.375" Shaft has been installed over the propeller shaft - this is a bad idea. The Speedi Sleeve is not rated for continuous salt water immersion so it is not 17-4 ph (likely the propeller shaft material) or 316SS.
