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  #1  
Old 02-27-2012
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Re-greasing your Max-Prop

Anyone have any experience with regreasing a Max-prop? The Manual talks about removing 2 setscrews on the spinner. Are these them? I found the Zerc Tower at PYI website. Any other tips to successfully lube my prop?
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Old 02-27-2012
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I disassemble the entire thing each time I haul the boat to lubricate the moving parts. Make sure you mark the settings so that you put it back together with the proper pitch. I am not sure how just taking the prop off the shaft would give you enough access to lubricate all of the moving parts.
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Looks like them from here. Pull the set screws, one at a time, and replace it with the zerk fitting. One pump of grease from the gun and then fully rotate the prop in both directions. Then another pump and fully rotate again. The moment you see any sign of grease, stop and rotate several times. It will appear under the blades from one fitting and from the seem with the other. Do not over fill with grease, as that will make it harder to feather. The blades should turn easily.

Use the right waterproof grease. I bought it from PYI themselves, but I'm sure it isn't proprietary and I don't have it nearby to tell you what it is.
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p.s. I don't think it's really necessary to fully disassemble each year. However, if you do, be sure to replace the cotter pins, don't reuse them. There are good vids on YouTube (published by PYI) to show you how to do it.

When you replace the zinc, be sure to clean the contact area well. Its often corroded and you need good contact for the anode to work properly.
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Old 02-27-2012
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Quote:
Originally Posted by Minnewaska View Post
Use the right waterproof grease. I bought it from PYI themselves, but I'm sure it isn't proprietary and I don't have it nearby to tell you what it is.
Lubriplate 130 AA is what they recommend...

Edited.. checked the PYI pdf....thanks jsaronson

http://www.pyiinc.com/index.php?sect...tallation&sn=3
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Last edited by Faster; 02-27-2012 at 12:09 PM. Reason: bad info
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Actually, its Lubriplate 130 AA. don't know what the difference is ...
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Old 02-27-2012
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Just a thought: After I noticed that water came out of the prop when I greased it, I started doing it in the fall as part of the winterization process to purge the seawater and reduce the possibility of internal corrosion over the long winter.
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Quote:
Originally Posted by billyruffn View Post
Just a thought: After I noticed that water came out of the prop when I greased it, I started doing it in the fall as part of the winterization process to purge the seawater and reduce the possibility of internal corrosion over the long winter.
I suppose that's a good point to prevent freezing damage too. However, I think they may actually recommend bi-annual lubrication and I've never heard of anyone having freeze damage.
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Old 02-27-2012
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Thanks Billy and Minewaska.
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Old 02-27-2012
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PYI sells the kits:
PYI Inc. Max-Prop PSS Shaft Seal Seaview Radar Mounts R&D

Note, there is a second kit for pre-1991 props that have not been fitted with the grease fittings.
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