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Author Topic: Speed Transducer Works on the hard but not in the water  (Read 498 times)

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Jim Hardesty

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Re: Speed Transducer Works on the hard but not in the water
« Reply #15 on: March 20, 2021, 02:40:32 PM »

Quote
does anyone know what the lubricant for the O rings should be?

I use Super Lube on O-rings and wipe it on port hole gaskets.  Can get at any good hardware, auto store or amazon.

https://www.amazon.com/Super-Lube-98003-Silicone-White/dp/B0044NI2M2/ref=asc_df_B0044NI2M2/?tag=bingshoppinga-20&linkCode=df0&hvadid=&hvpos=&hvnetw=o&hvrand=&hvpone=&hvptwo=&hvqmt=e&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=&hvtargid=pla-4584001418758139&psc=1

Jim
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Jim Hardesty
2001 MKII hull #1570 M35BC  "Shamrock"
sailing Lake Erie
from Commodore Perry Yacht Club
Erie, PA

wingman

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Re: Speed Transducer Works on the hard but not in the water
« Reply #16 on: March 20, 2021, 04:37:55 PM »



BTW does anyone know what the lubricant for the O rings should be?


The manual for my Airmar unit says silicone lubricant or petroleum jelly but may depend on the manufacturer.
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2000 tall rig, wing keel, #1471

waughoo

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Re: Speed Transducer Works on the hard but not in the water
« Reply #17 on: March 20, 2021, 10:31:40 PM »

Another vote for silicon grease.  I used fixture grease that i use for all my plumbing cartridge replacements.  Works pretty well.
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Alex - Seattle, WA
91 mk1.5 #1120
Std rig w/wing keel
Belafonte

pbyrne

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Re: Speed Transducer Works on the hard but not in the water
« Reply #18 on: March 21, 2021, 07:14:40 PM »

Found some at Home Hardware!  THanks.

Next thing I need to find is a replacement O ring.  Any suggestions?  It looks like Canadian Tire has a selection.

Quote
does anyone know what the lubricant for the O rings should be?

I use Super Lube on O-rings and wipe it on port hole gaskets.  Can get at any good hardware, auto store or amazon.

https://www.amazon.com/Super-Lube-98003-Silicone-White/dp/B0044NI2M2/ref=asc_df_B0044NI2M2/?tag=bingshoppinga-20&linkCode=df0&hvadid=&hvpos=&hvnetw=o&hvrand=&hvpone=&hvptwo=&hvqmt=e&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=&hvtargid=pla-4584001418758139&psc=1

Jim
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2000 Catalina 34 MK II #1534

Noah

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Re: Speed Transducer Works on the hard but not in the water
« Reply #19 on: March 21, 2021, 07:20:13 PM »

Just google Airmar replacement parts.
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1990 hull #1014, San Diego, CA,  Fin Keel,
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wingman

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Re: Speed Transducer Works on the hard but not in the water
« Reply #20 on: March 24, 2021, 01:22:22 PM »

$16 from iMarine

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2000 tall rig, wing keel, #1471

pbyrne

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Re: Speed Transducer Works on the hard but not in the water
« Reply #21 on: March 31, 2021, 07:32:38 PM »

Can you share the item number or link to the item please?

$16 from iMarine
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2000 Catalina 34 MK II #1534

wingman

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Re: Speed Transducer Works on the hard but not in the water
« Reply #22 on: April 01, 2021, 02:37:58 AM »

Can you share the item number or link to the item please?

This is what I ordered from iMarine for my Airmar ST300 speed and temp sensor, but you'll have to verify make and model in your boat:

Airmar 33-350-01 Thru Hull Spares Kit for S300, ST300

I tried to replace the paddle wheel by using the new axle to push the old one out, but it is really in there. Anyone have any suggestions? Didn't want to use too much force or risk breaking the plastic.
« Last Edit: April 01, 2021, 02:40:07 AM by wingman »
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2000 tall rig, wing keel, #1471

waughoo

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Re: Speed Transducer Works on the hard but not in the water
« Reply #23 on: April 01, 2021, 05:46:27 AM »

It is indeed really in there.  I had to use a hammer and place the 'ducer on something hard with the pin area over the edge.  Once started it moves better, but it never moved by hand.  I had to use pliers for the last bit of extraction of the old pin.
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Alex - Seattle, WA
91 mk1.5 #1120
Std rig w/wing keel
Belafonte

waughoo

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Re: Speed Transducer Works on the hard but not in the water
« Reply #24 on: April 02, 2021, 08:26:20 AM »

Just a followup.  My boat is now launched and the speed transducer that didnt work before (in the water) now works great with the new paddle wheel and pin. 
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Alex - Seattle, WA
91 mk1.5 #1120
Std rig w/wing keel
Belafonte

pbyrne

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Re: Speed Transducer Works on the hard but not in the water
« Reply #25 on: April 03, 2021, 09:09:22 AM »

Good to know!  I've got a call into a chandlery to source the parts. 

I didn't have any luck at 2 autoparts stores, and struck out at CT.

Just a followup.  My boat is now launched and the speed transducer that didnt work before (in the water) now works great with the new paddle wheel and pin.
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2000 Catalina 34 MK II #1534
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