Pearson 303 knotmeter change out ? - SailNet Community
 
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post #1 of 4 Old 10-14-2010 Thread Starter
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Pearson 303 knotmeter change out ?

My knotmeter dosn't work and I wanted to take it out to check it ..

How do I take it off ? There are no setscrews visible.

Any suggestions ? I've never done this before. There is a panel from the back and two small screws are visible but the third is not accessable..
Both the knotmeter and depth meter are Data Marine.

McSwiggin
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post #2 of 4 Old 10-16-2010
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McS,
Mine, also datamarine, on my P303 didn't work when I bought her. I assume you are trying to remove the display. I removed the panel just inside the companionway on the starboard side. The display is held in by a bracket. Remove the bracket and push the display out towards the cockpit. The problem with mine was not the display (it showed “0.0”), but the connection at the sender. Hope this helps.


Paul
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post #3 of 4 Old 10-16-2010
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McSwiggin

If you look at the black tube that holds the instrument face from inside the bulkhead you will see a silver ring on the ID of the tube about 1/8" in from the end. Part of this ring is bent to allow you to get a screw driver under it. You will need to remove it from the groove it is in. Then, the instrument will slide out. Leave the three screws in place unless you want to rebed the bezel.

If you have not already you will want to make sure the paddle wheel on the sending unit is free to spin. These get clogged with growth all of the time.
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Last edited by nickmerc; 08-18-2011 at 06:50 AM.
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post #4 of 4 Old 10-18-2010 Thread Starter
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The paddle wheel moves just fine but I'll have to take a closer look behind the meter.

As I remember there was a black ring with three small screws... one of which was impossible to get to.
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