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Old 03-10-2021, 12:12   #1
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Volvo QL800 bow thruster - prop removal

Our Bavaria 46E has Volvo BP800 bow thrusters. We're trying to pull the props to check the zinc and clean out the tunnels.

There is a cap screw holding on the prop, but I can't get the prop(s) off. I found a parts list, and it appears to show a cotter pin(?) holding them on?

https://www.marinepartsexpress.com/V...PARTS_LIST.pdf
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Old 03-10-2021, 13:12   #2
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Re: Volvo QL800 bow thruster - prop removal

Nope. I think you are looking at a shear pin, taking the place of a rubber prop hub.

I recommend: With the nut/bolt off, take a cheap wood chisel and tap it into the crack between the prop and the hub. The prop will move. I keep two cheap wood chisels for separating parts that appear to be glued together.
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Old 03-10-2021, 13:16   #3
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Re: Volvo QL800 bow thruster - prop removal

That shear pin is called a "drive pin" part #22 in your parts list.
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Old 03-10-2021, 15:14   #4
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Re: Volvo QL800 bow thruster - prop removal

Thanks for the replies. I found the 2 cap screws holding each prop. They are like a set screw that sits in a channel on the shaft. Once we removed them, we were able to tap each prop out from the opposite side. They were "disguised" with barnacles and antifoul paint...
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