Propeller Shaft Grooves: Difference between revisions
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It is an issue that Gori propellers installed on a SD20 saildrive will form grooves over time which will result in sea water penetration. | '''General'''<br> | ||
Methods to deal with groves on the propeller shaft: | Description: It is an issue that Gori propellers installed on a SD20 saildrive will form grooves over time which will result in sea water penetration. <br> | ||
# Add/re-position spacers between the seals | '''Notes'''<br> | ||
# Machine propeller shaft and add a 316SS sleeve to return to original size | *Methods to deal with groves on the propeller shaft: | ||
# Replace propeller shaft | :# Add/re-position spacers between the seals | ||
<br> | :# Machine propeller shaft and add a 316SS sleeve to return to original size | ||
:# Replace propeller shaft | |||
*Periodic reposition the seals using shims (P/N 196315-02880 Circlip, Needle 52) allow longer life from the propeller shafts<br> | |||
*Propeller shaft diameter: 35mm (where the seals ride) | |||
*Propeller shaft material: Likely 17-4 ph | |||
*Unacceptable repair: Installing a Speedi Sleeve (99139 SKF for a 35.00mm/1.375") - the Speedi Sleeve is not rated for continuous salt water immersion | |||
'''Pictures'''<br> | |||
[[File:Yanmar Propeller Shaft Sleeve 02.jpeg|thumb|Grooves worn into the propeller shafts]]<br> | [[File:Yanmar Propeller Shaft Sleeve 02.jpeg|thumb|Grooves worn into the propeller shafts]]<br> | ||
[[File:Yanmar Propeller Shaft Sleeve 01.jpg|thumb|Refurbished propeller shaft after machining and adding SS sleeve]] | [[File:Yanmar Propeller Shaft Sleeve 01.jpg|thumb|Refurbished propeller shaft after machining and adding SS sleeve]] | ||
Latest revision as of 10:13, 12 September 2026
General
Description: It is an issue that Gori propellers installed on a SD20 saildrive will form grooves over time which will result in sea water penetration.
Notes
- 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
- Periodic reposition the seals using shims (P/N 196315-02880 Circlip, Needle 52) allow longer life from the propeller shafts
- Propeller shaft diameter: 35mm (where the seals ride)
- Propeller shaft material: Likely 17-4 ph
- Unacceptable repair: Installing a Speedi Sleeve (99139 SKF for a 35.00mm/1.375") - the Speedi Sleeve is not rated for continuous salt water immersion
Pictures
