Forums General Discussion Fuel tank peep hole lens replacement

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    • #68525
      kalinowski
      Participant

      I pulled the fuel tank peep hole fitting to replace the old lens. I noticed that there appears to be an inner ring with two slots that would serve as “ears” to unscrew this inner ring. Is this correct? Will the inner ring unscrew so I can remove the old lens? I want to check before I begin banging away. Any tips from those who have boldly gone before?

      Dan Kalinowski
      Jolly Lama #135
      Ko Olina, O’ahu

    • #78291
      hanks424
      Participant

      Dan, I found a nice brass fixed port at a marine flea market and replaced the entire assembly. As I recall, the original was aluminum and the inner ring was badly corroded. Perhaps another member was successful in changing the lens. Mine looked like it would be more trouble than it was worth. While you have it out, epoxy around the hole to preserve the balsa core.

      Hank S.
      Shay #80 Ketch
      Ft. Lauderdale

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    • #78292
      sumocean
      Participant

      My inner ring crumbled when removed. I just cut a circle of lexan and screwed and caulked it in place. It has been there for ten years and shows no sign of wear

      Linus

      On a good day I can see the other side of the river!

      On Mar 13, 2012, at 9:01 PM, hs wrote:

      Quote:
      Dan, I found a nice brass fixed port at a marine flea market and replaced the entire assembly. As I recall, the original was aluminum and the inner ring was badly corroded. Perhaps another member was successful in changing the lens. Mine looked like it would be more trouble than it was worth. While you have it out, epoxy around the hole to preserve the balsa core.

      Hank S.
      Shay #80 Ketch
      Ft. Lauderdale

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    • #78293
      RichCarter
      Participant

      Dan,
      I can’t think of a stupider way to measure fuel level. I used to get down on my hands and knees to observe the gauge. I think there is a drop-in transducer that will drive most remote gauges. You might need one that slides up-and-down rather than one that is hinged. When I replaced my tank and engine, I had a remote gauge added to the instrument panel.

      About the old peep hole, I thought the glass was held in with a snap-ring. These would help.
      http://www.harborfreight.com/snap-ring-pliers-with-interchangeable-heads-3316.html

      Rich


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    • #78294
      kalinowski
      Participant

      The inside ring that holds the glass in the peep port appears to be brass. I’m letting it soak in PB Blaster to see if I can break it loose.

      This is indeed a silly way to check the fuel level. However, installing a new fuel sender unit without pulling the engine and tank looks like it would require a boneless 2 foot midget. Not many of these running O’ahu. Of course, the deck peep hole is only large enough for one arm at a time.

      Dan Kalinowski
      Jolly Lama #135
      Ko Olina, O’ahu

    • #78295
      kalinowski
      Participant

      The inside ring that holds the glass in the peep port appears to be brass. I’m letting it soak in PB Blaster to see if I can break it loose.

      This is indeed a silly way to check the fuel level. However, installing a new fuel sender unit without pulling the engine and tank looks like it would require a boneless 2 foot midget. Not many of these running O’ahu. Of course, the deck peep hole is only large enough for one arm at a time.

      Dan Kalinowski
      Jolly Lama #135
      Ko Olina, O’ahu

    • #78296
      madsailor
      Moderator

      Not true – you can do it one-armed. Also, you can remove the plywood
      between the port lazarette and work that way. But the six screws remove
      the measuring unit and a new one will have the same pattern. There is only
      one wire to the unit (the tank should be grounded already).

      Easy peasy. Although I haven’t done mine yet. I just polished and
      rebedded my sight glass and called it good.

      Bob

      On Wed, Mar 14, 2012 at 2:50 PM, kalinowski wrote:

      The inside ring that holds the glass in the peep port appears to be brass.
      I’m letting it soak in PB Blaster to see if I can break it loose.

      This is indeed a silly way to check the fuel level. However, installing a
      new fuel sender unit without pulling the engine and tank looks like it
      would require a boneless 2 foot midget. Not many of these running O’ahu.
      Of course, the deck peep hole is only large enough for one arm at a time.

      Dan Kalinowski
      Jolly Lama #135
      Ko Olina, O’ahu

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      Bob Fine
      s/v Pelican
      Pearson 424 Hull #8
      http://thesailinglife.blogspot.com
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    • #78297
      kalinowski
      Participant

      Aloha Bob: when you said that you just polished it and rebedded it, did you mean that you polished the glass? If this is possible, what did you use and how did you do it?

      Dan Kalinowski
      Jolly Lama #135
      Ko Olina, O’ahu

    • #78298
      john stevenson
      Participant

      Looks like there are many variations on the fuel gauge sight glass. I
      inherited a round Beckson port with a screw in clear cover. I had to
      replace it a few years ago with another Beckson. When I replaced the fuel
      tank in 2008 I went with another mechanical gauge. They’re pretty much
      fool proof. The only thing more reliable would be an access port on the
      tank and wooden stick. When on a passage I only need to check the fuel
      once every other day or so. It’s not like this is something I monitor on a
      real time basis so getting down on my 70-year old knees is not a big deal.

      Regards,
      John Stevenson
      http://www.svsarah.com

      On Wed, Mar 14, 2012 at 5:04 PM, kalinowski wrote:

      Aloha Bob: when you said that you just polished it and rebedded it, did
      you mean that you polished the glass? If this is possible, what did you
      use and how did you do it?

      Dan Kalinowski
      Jolly Lama #135
      Ko Olina, O’ahu

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    • #78299
      madsailor
      Moderator

      My glass isn’t glass, it’s acrylic so that I just used plastic polish.
      Hey, presto! Clear again.

      Bob

      On Wed, Mar 14, 2012 at 5:04 PM, kalinowski wrote:

      Aloha Bob: when you said that you just polished it and rebedded it, did
      you mean that you polished the glass? If this is possible, what did you
      use and how did you do it?

      Dan Kalinowski
      Jolly Lama #135
      Ko Olina, O’ahu

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      Bob Fine
      s/v Pelican
      Pearson 424 Hull #8
      http://thesailinglife.blogspot.com
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    • #78300
      petedd
      Participant

      You could train a small octopus to do the job…

      On 3/14/2012 12:50 PM, kalinowski wrote:

      The inside ring that holds the glass in the peep port appears to be brass. I’m letting it soak in PB Blaster to see if I can break it loose.

      This is indeed a silly way to check the fuel level. However, installing a new fuel sender unit without pulling the engine and tank looks like it would require a boneless 2 foot midget. Not many of these running O’ahu. Of course, the deck peep hole is only large enough for one arm at a time.

      Dan Kalinowski
      Jolly Lama #135
      Ko Olina, O’ahu

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      https://pearson424.org/mailman/listinfo/maillist_pearson424.org

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    • #78302
      unabated
      Participant

      Assume the engine uses 1 gallon an hour. Keep track of the engine hours when you fill the tank and with engine usage. Refill tank as needed….
       My  w58 uses about .8 gallons an hour at normal cruising speeds.  This gives me about 20% safety factor.
       Works well and uses no technology to fail.
      I have not looked at the fuel gauge in several years.
      Alan
       Still in Georgetown, Exuma, Bahamas

      — On Wed, 3/14/12, Pete Dubler wrote:

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    • #78303
      rdugger
      Participant

      I installed a sender 4 years ago (bought at West Marine – has arm that
      floats) 1 handed, not hard to do.

      Rick
      Eclipse

      On Wed, Mar 14, 2012 at 4:31 PM, Robert Fine wrote:

      Not true – you can do it one-armed. Also, you can remove the plywood
      between the port lazarette and work that way. But the six screws remove
      the measuring unit and a new one will have the same pattern. There is only
      one wire to the unit (the tank should be grounded already).

      Easy peasy. Although I haven’t done mine yet. I just polished and
      rebedded my sight glass and called it good.

      Bob

      On Wed, Mar 14, 2012 at 2:50 PM, kalinowski <

      wrote:

      The inside ring that holds the glass in the peep port appears to be

      brass.

      I’m letting it soak in PB Blaster to see if I can break it loose.

      This is indeed a silly way to check the fuel level. However, installing

      a

      new fuel sender unit without pulling the engine and tank looks like it
      would require a boneless 2 foot midget. Not many of these running O’ahu.
      Of course, the deck peep hole is only large enough for one arm at a

      time.

      Dan Kalinowski
      Jolly Lama #135
      Ko Olina, O’ahu

      _______________________________________________
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      Bob Fine
      s/v Pelican
      Pearson 424 Hull #8
      http://thesailinglife.blogspot.com
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    • #78304
      kalinowski
      Participant

      Wow! My boat must have had a special owner option;)
      The peep is all brass and real glass. Wire brushed the exposed inner ring threads and moved up to Aero Croil penetrant. We’ll see what happens. I did find some core rot around the hole. One thing leads to another.

      Dan Kalinowski
      Jolly Lama #135
      Ko Olina, O’ahu

    • #78305
      quent
      Participant

      We are a few hull numbers before you, Dan. Also have the metal (bronze?) and glass port. Installed an electric sender and guage which is somewhat erratic probably because of a bad connection somewhere. Put the port back in, makes a good skylight.
      Plan to take the port back out soon to remove the rotted balsa in the cockpit sole with a coat hanger. Vintage boats are such fun!

      Quent
      S/V Clairebuoyant, #132

    • #78309
      RichCarter
      Participant

      As I recall, the fuel sender is accessible by climbing into the starboard locker and reaching across the top of the tank. Access is also available by removing the sight glass. Between the two access places, its not a big deal to service or replace the fuel-gauge.

      As long as the tank baffles don’t interfere with the swing-arm on the sender, replacement of the mechanical gauge should be straightforward. Of course, you need a convenient place to mount the gauge. I was repowering at the the time so I build the replacement instrument panel with an integral fuel gauge.

      When I replaced my tank, the fabricator installed the baffles such that the swing-arm wouldn’t work. We ended up replacing the swing-arm sender with a vertical type sender. A custom length had to be made since the replacement tank was an inch or so shorter than the original. All works now.
      http://www.richardcarter.net/boat/pix/instruments.JPG

      Rich


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    • #78310
      kalinowski
      Participant

      Well, I couldn’t free up the brass ring holding the glass in the peep hole. I did, however, manage to polish up the glass enough to improve the clarity. I’ve decided to stay low tech and keep the old gauge (if it ain’t broke, don’t fix it). My problem was visual as it was very hard to read the gauge with crazed glass. I will install a light above the tank (underneath the cockpit floor) to illuminate the gauge and wire it into the steaming lights. This will solve the problem for me.

      Dan Kalinowski
      Jolly Lama #135
      Ko Olina, O’ahu

    • #78311
      Anonymous

      A flashlight works very well…

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    • #78314
      madsailor
      Moderator

      I have a small light that is on when the running lights are on. It works
      pretty well. During the day, I actually have to shield my eyes to see
      inside.

      Bob

      On Fri, Mar 16, 2012 at 1:28 PM, Joseph Steiner wrote:

      Quote:
      A flashlight works very well…

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    • #78315
      madsailor
      Moderator

      I have a small light that is on when the running lights are on. It works
      pretty well. During the day, I actually have to shield my eyes to see
      inside.

      Bob

      On Fri, Mar 16, 2012 at 1:28 PM, Joseph Steiner wrote:

      Quote:
      A flashlight works very well…

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    • #78317
      sumocean
      Participant

      Dan
      Before I replaced mine it was scratched badly. I would dribble a little water on the face and it became transparent again. Just if it gets scratched again in the future

      Linus

      On a good day I can see the other side of the river!

      On Mar 16, 2012, at 1:17 PM, “kalinowski” wrote:

      Well, I couldn’t free up the brass ring holding the glass in the peep hole. I did, however, manage to polish up the glass enough to improve the clarity. I’ve decided to stay low tech and keep the old gauge (if it ain’t broke, don’t fix it). My problem was visual as it was very hard to read the gauge with crazed glass. I will install a light above the tank (underneath the cockpit floor) to illuminate the gauge and wire it into the steaming lights. This will solve the problem for me.

      Dan Kalinowski
      Jolly Lama #135
      Ko Olina, O’ahu

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      https://pearson424.org/mailman/listinfo/maillist_pearson424.org

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