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  Topic Review (Newest First)
08-07-2013 12:09 PM
Christian Williams
Re: rebuilding compass

Ritchie rebuild:

Ritchie Globemaster Diaphragm Replacement - Blogs - EY.o Information Exchange

BLOG TEMPORARILY OUT OF SERVICE AFTER ERICSON FORUM HACKED BY VANDALS.
08-01-2013 09:31 AM
erps
Re: rebuilding compass

I replaced a diaphram on a compass years ago. The compass manufacturer wanted me to send the compass in to have it done, saying I would never get enough fluid back in to prevent a bubble. They mentioned putting the fluid in the freezer for a DIY'er but I found an easier method.

Tape a string onto the diaphram. Pour the fluid in while pulling on the diaphram a bit. Fill the compass up. As you're putting the plug back in, have it facing up and release the diaphram a bit to so that fluid is spilling out of the plug while you're tightening it up. No bubbles on the first try.
08-01-2013 08:53 AM
Captainmeme
Re: rebuilding compass

Quote:
Originally Posted by davidpm View Post
Is this the stuff you used to clean and blacken the black parts too?
Yes, I used that stuff to only clean and blacken the black parts. The dome was replaced. The old dome had cracks. I think the cracks are due to stress introduced when the dome was formed.

I did try to clean the old dome with the Meguiar's PlastX. After seveal minutes of rubbing and buffing I couldn't tell the difference from the polished spot and an unpolished spot. Makes me think there is some clouding internal to the plastic.
08-01-2013 12:56 AM
Rhapsody-NS27
Re: rebuilding compass

The compass on my boat has a foggy looking lens, and may need liquid. I've been looking at it thinking there must be a good way to clean it. I'll have to see what kind it is and see if parts are out there for it.

Nice job on your cleanup.
07-31-2013 11:57 PM
davidpm
Re: rebuilding compass

Quote:
Originally Posted by Captainmeme View Post
OK, the magic plastic goop is "Meguiar's PlastX" .
Here is a link to some place.
Meguiar's PlastX Clear Plastic Cleaner and Polish - 10 oz | Free Shipping Available - Detailed Image

Bet Autozone or some other car part store has it on the shelf.
Is this the stuff you used to clean and blacken the black parts too?
07-30-2013 12:27 PM
Captainmeme
Re: rebuilding compass

OK, the magic plastic goop is "Meguiar's PlastX" .
Here is a link to some place.
Meguiar's PlastX Clear Plastic Cleaner and Polish - 10 oz | Free Shipping Available - Detailed Image

Bet Autozone or some other car part store has it on the shelf.
07-29-2013 11:08 PM
Captainmeme
Re: rebuilding compass

I bought the parts from the factory, Ritchie & Sons. I'd have to look around for the cost. Wait I used paypal. About $160 for two rebuild kits which included the dome, bellows, o-rings, led holder, and two quarts of fluid. I don't have a link for the magic plastic goop.
A guy at work has been rebuilding an old car in the warehouse. He had some which I tried. Hopefully its still there as I need to polish the second compass. If its there I'll post the info.
07-29-2013 10:53 PM
davidpm
Re: rebuilding compass

Quote:
Originally Posted by Captainmeme View Post
The rebuilding consist of new dome, bellows, fluid and LED bracket. A little Mcquires magic plastic goop on the bezel makes the bezel nice and black.
were did you get the domes, factory?

Also do you have a link for the stuff you used to fix the black plastic?
07-29-2013 10:41 PM
Captainmeme
Re: rebuilding compass

Thanks Jim. Good luck with your boat.
07-29-2013 10:25 PM
jimgo
Re: rebuilding compass

Wow, you can't even see the glass/plastic in the last pic. Nice job!
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