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-   -   Lewmar ST winches - too easy to come apart? (http://www.sailnet.com/forums/gear-maintenance/56354-lewmar-st-winches-too-easy-come-apart.html)

stipakb 07-19-2009 07:36 PM

Lewmar ST winches - too easy to come apart?
 
I just bought a Lewmar 16ST, and found out that unlike the 16ST on my old boat which required unscrewing four machine screws to take it apart, the new version has a plastic cap that unscrews and then the self-tailer can come right out.

This bothers me; it seems like it is too easy to come apart. One plastic screw-on cap with no locking device of any kind is all that keeps parts from coming out. My application is on the mast, horizontally mounted, so it especially bothers me that one plastic screw-on cap is all that stops parts from falling out and going overboard.

I'm considering taking back the winch and getting another brand. Am I overreacting? Is this really a good design?

Brian Stipak
Portland, Oregon

scottyt 07-19-2009 07:54 PM

brian if you want to get rid of it i will offer 50 bucks plus shipping :)

seriously it does sound risky can you use something like a weak loctite to secure it or may be teflon tape. either would make it harder to unscrew

bubb2 07-19-2009 08:17 PM

Your are speaking of the older Wave grip vs the new wave spring. I have 3 of the wave spring on our boat for 10 years and not 1 problem. If fact I been on sailnet for years and have never heard of anyone else have a problem with them. I am sure they are standard equipment 10 of thousands of sailboats that are built every year as they were on mine. If there was a problem we would have heard about by now because I think they started this design in 1992.

Lewmar Winch Schematics

sailingdog 07-24-2009 05:17 PM

IIRC, the plastic screw-on cap still covers four screws that hold the wave-guide self-tailing rings in place.... so, yes, you're overreacting IMHO.

Quote:

Originally Posted by stipakb (Post 506762)
I just bought a Lewmar 16ST, and found out that unlike the 16ST on my old boat which required unscrewing four machine screws to take it apart, the new version has a plastic cap that unscrews and then the self-tailer can come right out.

This bothers me; it seems like it is too easy to come apart. One plastic screw-on cap with no locking device of any kind is all that keeps parts from coming out. My application is on the mast, horizontally mounted, so it especially bothers me that one plastic screw-on cap is all that stops parts from falling out and going overboard.

I'm considering taking back the winch and getting another brand. Am I overreacting? Is this really a good design?

Brian Stipak
Portland, Oregon


jarcher 07-25-2009 09:09 PM

On my Lewmar ST winches there is the same thing you describe, a screw on ring (kind of) that holds it together. No other screws at all.

I have never had a problem at all, and I really like it. Its very easy to take the winch open for service. I used to check mine to make sure they stayed tight, but they had never come loose so I slacked off. I like it.

topcat2 08-10-2009 02:59 AM

lewmar ocean screw top
 
Quote:

Originally Posted by stipakb (Post 506762)
I just bought a Lewmar 16ST, and found out that unlike the 16ST on my old boat which required unscrewing four machine screws to take it apart, the new version has a plastic cap that unscrews and then the self-tailer can come right out.

This bothers me; it seems like it is too easy to come apart. One plastic screw-on cap with no locking device of any kind is all that keeps parts from coming out. My application is on the mast, horizontally mounted, so it especially bothers me that one plastic screw-on cap is all that stops parts from falling out and going overboard.

I'm considering taking back the winch and getting another brand. Am I overreacting? Is this really a good design?

Brian Stipak
Portland, Oregon

Hi Brian
Some background info for you.
When the ocean design was introduced aprox 18 years ago, the top cap was Brass material chromed, with an 'o' ring on the underside.
The 'o' ring acted as a good locking mechanism between chrome Feeder arm and the top cap, if fact it required a little grease on the 'o' ring otherwise the top cap was VERY hard to unscrew.
Some when in the last couple of years Lewmar have changed some models to a plastic top cap.( cost reduction)
I am not sure how secure the new plastic cap is, does it have an 'o' ring under it as well.
suggest if you have any problems , you replace the topcap with a chrome one. they would not come undone unless you wanted it to.( they were bullet proof.)
If i can help you further , please let me know
Regards --TOPCAT2


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