Re: [Amel Yacht Owners] sorry i dont know what happened here Electric Winch Warning


Bill & Judy Rouse <yahoogroups@...>
 

Eric,

I seem to remember that you had an issue with this power winch several months ago. Is this the same issue or another one?

Bill
BeBe 387

On Thu, Jan 29, 2015 at 1:05 AM, kimberlite@... [amelyachtowners] <amelyachtowners@...> wrote:
 



----- Original Message -----
From: "kimberlite@... [amelyachtowners]"
Date: Thursday, January 29, 2015 1:56 am
Subject: [Amel Yacht Owners] Electric Winch Warning
To: amelyachtowners@...

>
>
>
> I awoke
>
> null about 500 miles offshore to a screeching noise forward of
> my cabin. Ijumped out of the bunk and as I passed the midships
> bunk the noise came fromabove the overhead.
>  
>
> I
>
> null off the circuit breaker for the starboard winch. When I
> opened up theinspection  panel for the winch motor, much to my
> surprise, the armatureof the drive motor was out of the motor housing.
>  
>
> I
>
> null remains of the motor housing electrically and removed it
> and the armatureleaving the gearbox still connected to the winch.
> The motor
>
> null slamming against the inside of the coaming and bent the
> negative stud forthe motor  and also sheared off the 61/2  inch
> long 1/4x 20 SAE boltsthat held the motor to the gearbox. The
> motor must be made in the USA.
>  
>
> Getting
>
> null off the shaft is as hard as getting the furling shaft out
> of theouthaul gearbox.
>  
>
>
> null occurred because there is a flange held into the base of
> theunderside of the winch attached with 5- 6 mm allen head cap
> screws whichsheared off. This flange keeps the motor
> gearbox from turning on itself. Thewinch  base has to be removed
> completely and the broken off screws have tobe removed.
> Then I had to
>
> null 6 ½ inch usathread 1/4x20 inch bolts. there is also a lip
> seal in the base of the winchwhich I replaced as well as a nylon
> insulating washer that is the diameter ofthe flange. I then
> purchased the shortest grade 12 screws . they were 20 mm long
> and need to be 12 mm long. i went through a number of cut off
> bladesshortening these very hard  cap screws, Instead of using
> locktite toreinstall these i used duralac as I find it holds
> better than locktite. Aligning the gearbox with the flange
> bolted to the base of the winch is aproject. I finally cut off
> the heads of two bolts and used these studs to
> alignthe gearbox to the flange and then had my girlfriend put in
> a few bolts thatheld the gearbox to the flange..
>  
>
> Getting the
>
> null (now lubricated with anti seize) aligned with the
> gearbox is just plaindifficult impinging on the occult. Bear in
> mind I think this assembly weights40 pounds and holding it over
> my head for literally hours is painful..
>  
>
> It all works now.!!!
>
>  
>
> Conclusion,
>
> null that when Amel attached the gearbox to the base of the
> winch they usednormal grade bolts and did not (for sure) use
>  thread locker. The shaftsalso need lubricating.
> I plan
>
> null the shaft from the other winch, changing the cap screws to
> a bettergrade and using threadlocker and anti seize in the shaft.
> I believe
>
> null check is to just get under the winch motor and see if there
> is any playbetween the flange and the gearbox or winch base.
>  http://www.p2marine.com/sailing-gear/lewmar/lewmar-winch-parts-
> 58est.shtml part 14 and 15 is what caused the problem.
>
> Fair winds,
>
> eric 
>
> sm 376 kimberlite
>


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