Last year, I was unaware that the thruster prop clicked on to the pin, so before I screwed anything up, I let the yard put the zinc on. This year, armed with better knowledge from this wonderful site, I gently tapped the prop off with some wood. What I found was a "like new" season-old zinc with no hardware and a crack on the side of the prop from where the yard must have used too much force. My first fear was that the yard stripped the thruster housing out and I was going to be "screwed." I put the new zinc on and thankfully, both screws snugged down.
Question #1 - the zinc has slight play in it. I could probably go tighter, but I'm afraid to strip them myself. Is this normal? Full disclosure, the zinc is from boatzincs, not from Vetus.
Part 2, I replaced the 3 blade with a 6 blade. In the parts kit, there is a small nylon washer. Its the only part that is new, the pin, s/s washer, and retaining nut were similar to the 3 blade. Where does this go? I left it off and mirrored the assembly of the 3 blade, but will re-do if it is necessary.
Thanks
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Bow Thruster Zinc revisited
Moderator: Jeremyvmd
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Bow Thruster Zinc revisited
2004 28TE
- furball
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Re: Bow Thruster Zinc revisited
Rob,
On my thruster, the plastic washer threads onto the prop shaft before the nut.
When you remove the nut next year, thread the washer off and then tap off the prop.
I don't know if it matters much if it's not there. I my case, would depend if the prop was above or below the water.
John
On my thruster, the plastic washer threads onto the prop shaft before the nut.
When you remove the nut next year, thread the washer off and then tap off the prop.
I don't know if it matters much if it's not there. I my case, would depend if the prop was above or below the water.
John
Chief
2005 31TE
Cummins 450
Formerly,
Transition
2006 28TE
Yanmar 6LP
2005 31TE
Cummins 450
Formerly,
Transition
2006 28TE
Yanmar 6LP
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- Gold Member
- Posts: 196
- Joined: Thu May 16, 2013 3:04 pm
- Home Port: Freeport, NY
Re: Bow Thruster Zinc revisited
John, are you saying that the re-assembly is prop / nylon washer / s/s washer / locknut? Or s/s washer / nylon washer / then lock nut, where you are tightening down on the nylon and crushing it?
Either way, I can easily remedy my mistake, I'm still on the hard.
thanks
Either way, I can easily remedy my mistake, I'm still on the hard.
thanks
2004 28TE
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Re: Bow Thruster Zinc revisited
Question #1...can you fit washers? Tap out the screw holes?. Use shorter screws?
Mike and Sue Phillips
Warwick, RI
SUSAN HELENA 1985 40' Trawler
Warwick, RI
SUSAN HELENA 1985 40' Trawler
- Pitou
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Re: Bow Thruster Zinc revisited
Prop / nylon washer / SS washer / prop nut and you're good to go.Paddy wrote:John, are you saying that the re-assembly is prop / nylon washer / s/s washer / locknut? Or s/s washer / nylon washer / then lock nut, where you are tightening down on the nylon and crushing it?
FWIW, I've never had play in my Zinc anode and I always buy from Boat Zincs. Maybe use a little WD or maybe some brake cleaner and brush the threads out a little with a stainless brush. That may get some crud out and help out when tightening.Paddy wrote:Question #1 - the zinc has slight play in it. I could probably go tighter, but I'm afraid to strip them myself. Is this normal? Full disclosure, the zinc is from boatzincs, not from Vetus.
kevinS
>><<>>;>
Former Boats:
- 2006 31TE / Hull# 221
Cummins QSC 8.3 / 500 hp
December '13 - April '23
- 2002 / 28TE / Hull# 614
Cummins 6BTA 370 hp / Alaskan Bulkhead
April '04 ~ May '13
>><<>>;>
Former Boats:
- 2006 31TE / Hull# 221
Cummins QSC 8.3 / 500 hp
December '13 - April '23
- 2002 / 28TE / Hull# 614
Cummins 6BTA 370 hp / Alaskan Bulkhead
April '04 ~ May '13
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- Gold Member
- Posts: 196
- Joined: Thu May 16, 2013 3:04 pm
- Home Port: Freeport, NY
Re: Bow Thruster Zinc revisited
Thanks guys, I will go ahead re-do the entire installation this weekend. Dropping the boat in the water by next Mon / Tues, will report back on the 6 blade performance, although from what I have read, the performance increase is minimal and the sound is just as loud...
2004 28TE