First 36.7 zinc confusion

J

jarcher

.
May 11, 2009
52
2 MK IV Warwick, RI
I bought my 2004 First 36.7 last September, and it spent the winter in the water. I hauled Monday and see that the zincs need replacement. But I'm confused about which to get and the boats user manual was no help. The engine is the MD2030 and I'm pretty sure the saildrive is the 120S. I have a 2 blade folding propeller.

It seems like I need 3 things:
From BoatZincs:
3858399A - Penta 3 piece collar propeller anode
851983A - Penta 120 saildrive anode and mounting screws
852018 - Penta folding propeller anode

Also it seems I could replace the 851983A with:
Penta 120 saildrive split ring anode adapter kit
851983 - Penta 120 split ring anode

But, I don't understand where the 852018 goes or even if I really need it.

Is this right? Do I need any other anodes anywhere?

Also, do I need to change the oil in the saildrive while I'm hauled? How do I do that?

Thanks...
 
J

jarcher

.
May 11, 2009
52
2 MK IV Warwick, RI
Thanks! That answered the oil question, but didn't say much about the anodes.
 
Jackdaw

Jackdaw

.
Nov 8, 2010
11,386
Beneteau First 36.7 & 260 Minneapolis MN & Bayfield WI
jarcher said:
Thanks! That answered the oil question, but didn't say much about the anodes.
Click to expand
Sorry, Kestrel is in Lake Superior, where is is unlikely to EVER eat through a set of manganese anodes.
 
DougM

DougM

.
Jul 24, 2005
2,242
Beneteau 323 Manistee, MI
Jackdaw said:
Sorry, Kestrel is in Lake Superior, where is is unlikely to EVER eat through a set of manganese anodes.
Click to expand
Jackdaw, I think you meant magnesium anodes.

(I have been forever trying to find a source for a magnesium shaft anode for a one inch shaft. Even Boatzincs doesn’t seem to have them. My zinc anodes look the same as they did 14 years ago...virtually unsacrificed)
 
Jackdaw

Jackdaw

.
Nov 8, 2010
11,386
Beneteau First 36.7 & 260 Minneapolis MN & Bayfield WI
DougM said:
Jackdaw, I think you meant magnesium anodes.

(I have been forever trying to find a source for a magnesium shaft anode for a one inch shaft. Even Boatzincs doesn’t seem to have them. My zinc anodes look the same as they did 14 years ago...virtually unsacrificed)
Click to expand
Yep. Stupid Siri. She also guesses my intent with SAIL vs SALE wrong 100% of the time!
 
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