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Old 11-14-2017, 08:21 AM   #1
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Default Any "tricks" for changing out bilge pump hose?

Mine is toast. The issue is the thru hull is located behind a storage locker. My current plan is to cut an acess hatch in the locker to get access to the thru hull.

Unless anyone knows any magic tricks....
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Old 11-14-2017, 08:47 AM   #2
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Mine is toast. The issue is the thru hull is located behind a storage locker. My current plan is to cut an acess hatch in the locker to get access to the thru hull.

Unless anyone knows any magic tricks....
Pics would help alot.

Can you pull the locker temporarily? Access hatch sounds good unless it needs to be waterproof..

Realistically you should have an access hatch anyways to shut off thru-hull in case of emergency.
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Old 11-14-2017, 08:50 AM   #3
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1. Can't pull locker that I can see. Imagine two boxes in the back corners of the boat.
2. Fortunately doesn't need to be waterproof.
3. The thru hull is 2-3" from the cap. If I needed to shut off a through hull that high... I've got MUCH bigger problems
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Old 11-14-2017, 08:54 AM   #4
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Quote:
Originally Posted by jfigliuolo View Post
1. Can't pull locker that I can see. Imagine two boxes in the back corners of the boat.
2. Fortunately doesn't need to be waterproof.
3. The thru hull is 2-3" from the cap. If I needed to shut off a through hull that high... I've got MUCH bigger problems
Sorry is this for the outflow hose?
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Old 11-14-2017, 09:15 AM   #5
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Sorry is this for the outflow hose?
Yes it is. It's the bilge pump
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Old 11-14-2017, 09:16 AM   #6
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Is there anywhere else appropriate to put it? If the through hull looks decent cosmetically, and you have a more accessible place you can put the replacement, that may be an easier option. Just add another through hull, and let that one just stay where it is unused. The other possibility is just route the hose right out the rigging tube, and hang it over the transom. Sounds goofy, but is very effective and makes it easy to tell when the bilge is running from the helm of most boats. Just depends on how the boat is laid out.
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Old 11-14-2017, 09:28 AM   #7
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There is usually a way, you may have to get creative. I had to make a long extension with a 5/16 universal socket to get to the clamps on my scupper hose clamps and do it by feel, couldn't see it. I even had to tape my dremel on to a broom stick to get in and cut the wire in the hoses.
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Old 11-14-2017, 10:51 AM   #8
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If you decide to work by feel- an inspection camera may be a big help- might try Northern tool or Harbor Freight for a cheap one- HD or Lowes for a brand name- has saved me a lot of time and blood-
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Old 11-14-2017, 10:58 AM   #9
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I had to do that on a Hewes bayfisher - cut a hole in the rear storage box to get to the backside of the overflow.

In my case the plastic overflow fitting broke and needed to be replaced. even after cutting the hole, the area around the fitting was foamed and i need to cut that out.
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Old 11-14-2017, 11:40 AM   #10
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A perfect example of "What the hell was the boatbuilder thinking?" My raw water/livewell pump is in a practically impossible location for replacement. Next time it goes I'm moving it to a more accessible place. Will lengthen the hoses a bit to accommodate.

But that whole arrangement is wonky so it needs doing anyway. Good luck!
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Old 11-14-2017, 12:01 PM   #11
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If you are cutting a hole, I'd strongly consider replacing the thru-hull itself. Stainless ones look nice
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Old 11-14-2017, 09:23 PM   #12
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If you cut a hole, use a deck plate to cover it back up.
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Old 11-16-2017, 02:59 AM   #13
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A lot of boats are poorly constructed in that manufacturer installs systems then installs cap with no thought ot care about future service
That being said, before you start cutting check to see if the hose itself will move or has play. Not uncommon that hose is crushed, fiberglassed, strapped and if so must be abandoned.Without pictures itis difficult to suggest alternate ways of routing hose and installing new thru hull
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Old 11-16-2017, 05:57 AM   #14
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I had this problem, I found a new location and installed a new fitting that could be serviced.
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Old 11-16-2017, 06:29 AM   #15
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Quote:
Originally Posted by keysdiver View Post
A lot of boats are poorly constructed in that manufacturer installs systems then installs cap with no thought ot care about future service
That being said, before you start cutting check to see if the hose itself will move or has play. Not uncommon that hose is crushed, fiberglassed, strapped and if so must be abandoned.Without pictures itis difficult to suggest alternate ways of routing hose and installing new thru hull
Again, just guessing without pictures, but sounds like this is an above the waterline thru-hull so moving it may be more trouble than it is worth if it requires patching a hole on outside of hull.
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Old 11-16-2017, 06:48 AM   #16
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If you decide to cut a hole in the locker, remember to make it big enough to work slightly above the thru-hull bc there's probably an anti-siphon loop. ie, the hose should be suspended at a point higher than the thru-hull fitting, and then goes downward. Note the black hose in the right of the picture.

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