Author Topic: How do you secure bilge pumps to the bottom?  (Read 3968 times)

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Offline Markshoreline

How do you secure bilge pumps to the bottom?
« on: January 13, 2015, 03:00:29 PM »
I've tried screws but they went through the glass :bigshock:
Silicone always seems to let go.
How have you found success?
2002 Sea Ranger HT 21, Yamaha 150, Yamaha 9.9

Offline CanvasGuy

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Re: How do you secure bilge pumps to the bottom?
« Reply #1 on: January 13, 2015, 03:03:06 PM »
 Mark ,how about ..Plastic drywall anchors...
 

KISS? :wink:
« Last Edit: January 13, 2015, 03:32:26 PM by CanvasGuy »
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Offline StreamFixer

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Re: How do you secure bilge pumps to the bottom?
« Reply #2 on: January 13, 2015, 03:08:48 PM »
Just remember you are dealing directly with the hull where the normal bilge pump sits. and it is only 1/4 to 3/8" (6 to 9.5 mm) thick (at least that is what I found when I installed my pump intake).

Scrub paint and surface crap down to fiberglass  - make a glass or resin encased wood pad;  build pump mount bolts into the pad, glass the pad to the hull (attachment bolts up  :biggrin: )... 

I made a mounting pad by putting down some resin, layer of woven glass, resin, glass --- repeat until desired thickness achieved and let cure overnight.  I have a piece of granite on my shop bench that is handy for this kind of stuff, pouring lead too.  Glass, lead spills etc. just pop right off.  Good backing for tooling leather too. 

Get the granite from any counter making shop, pretty much for free or just a few $$$.  Just ask for a double sink cut out.  It will likely be polished, but not necessarily.

StreamFixer
« Last Edit: January 13, 2015, 03:17:22 PM by StreamFixer »
'97 19SC w/ Salt Boss Top
'03 Yamaha 115 EFI
'05 Yamaha T8 Solas 4 blade prop

"By the grace of God we travel upon the rivers and sea..
They, like He, are mightier than me."  Mike Jesperson aka 'Nalu'

Offline Threeweight

Re: How do you secure bilge pumps to the bottom?
« Reply #3 on: January 13, 2015, 03:31:43 PM »
I think you have better bilge access in the 21' than I have in the little 17... have you considered epoxying a piece of marine ply to the hull, then mounting the bilge pump to that?  You could coat the marine ply well with spar varnish (or even thin epoxy) before mounting to minimize rot.

Starboard won't work (epoxy won't stick to it), but maybe there is some other more water-resistant product.

Another option is to swing by the hardware store and buy some flat aluminum stock.  Cut and bend it to make a bracket for the pump base to attach to, so that the aluminum then attaches to a vertical surface like a floor stringer or bulkhead.  Like this:



When I revamped my pumps last year, the Whale got mounted to a long flat piece of aluminum stock (so I could both place it at the far back of the boat and still be able to pull it out to service it when I need to), and the manual Johnson pump remains attacked to one of the vertical bulkheads under the gas tank.
Former Sea Chaser 17 owner
Wild Card, Hewescraft Ocean Pro 220, Honda 225 and 9.9

“Never turn your back on fear. It should always be in front of you, like a thing that might have to be killed.”
       --- Hunter S. Thompson

Offline Markshoreline

Re: How do you secure bilge pumps to the bottom?
« Reply #4 on: January 13, 2015, 05:38:34 PM »
Ok, there's a couple of good ideas. 
My last iteration was to drill a hole in one of the stringers and run a zip tie through it and around the pump... seemed to work ok, except now the pump doesn't.
I pulled LiLi out of the water today for maintenance and some installations- reached the 70 hour (my spec) oil/lube change.
Purchased a new Rule 900 gph pump that looks like a red, white and blue Whale- they so copied!
2002 Sea Ranger HT 21, Yamaha 150, Yamaha 9.9

Offline Croaker Stroker

Re: How do you secure bilge pumps to the bottom?
« Reply #5 on: January 13, 2015, 05:41:24 PM »


Mine is free floating....not secured.
1987 - 17' Sea Pacer - 2004 Evinrude 90 E-tec
15' Sea Sprinter - **SOLD**

"If a fish will, he will… if he won't, he won't… and that's about it… except… he may take this when he won't take that."

Offline Markshoreline

Re: How do you secure bilge pumps to the bottom?
« Reply #6 on: January 13, 2015, 05:45:41 PM »
just held in place by the hose or actually floating?
2002 Sea Ranger HT 21, Yamaha 150, Yamaha 9.9

Offline StreamFixer

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Re: How do you secure bilge pumps to the bottom?
« Reply #7 on: January 13, 2015, 05:52:45 PM »
I suspect he means not attached, just bouncing around.  Of course if the bilge is full of water perhaps splashing around would be a better description....   :shrug9:

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'97 19SC w/ Salt Boss Top
'03 Yamaha 115 EFI
'05 Yamaha T8 Solas 4 blade prop

"By the grace of God we travel upon the rivers and sea..
They, like He, are mightier than me."  Mike Jesperson aka 'Nalu'

Offline Markshoreline

Re: How do you secure bilge pumps to the bottom?
« Reply #8 on: January 13, 2015, 05:55:19 PM »
do you happen to have a black bush under your desk?
2002 Sea Ranger HT 21, Yamaha 150, Yamaha 9.9

Offline First Cabin

Re: How do you secure bilge pumps to the bottom?
« Reply #9 on: January 13, 2015, 06:27:13 PM »
Use a ring of some type....cut down can.... of 1/4" height.   Place it where you want to install the bilge pump.  Fill the ring with 4200 and let it dry.  Secure your bilge pump into the dry 4200 with 1/4" screws.
First:  1982 15' SeaHunter, Yamaha 70 2-stroke, Yamaha F6
Second:  1987 17' SeaRanger, Merc 90 2-stroke, Yamaha F8
Current:  2002 17' SeaChaser, Yamaha F100, Yamaha T8

Offline Croaker Stroker

Re: How do you secure bilge pumps to the bottom?
« Reply #10 on: January 13, 2015, 06:37:57 PM »
just held in place by the hose or actually floating?

Held by the hose.
1987 - 17' Sea Pacer - 2004 Evinrude 90 E-tec
15' Sea Sprinter - **SOLD**

"If a fish will, he will… if he won't, he won't… and that's about it… except… he may take this when he won't take that."

Offline Salmon King

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Re: How do you secure bilge pumps to the bottom?
« Reply #11 on: January 13, 2015, 06:38:58 PM »
I have never fastened the pump to the hull or a stringer.
I have found that the hose keeps it in place very well...the pump stays upright, and it doesn't move around more than an inch or 2.  I use a stiff hose not one of those super flexible corrigated ones.
There's not any room under the fuel tank to get in there and fasten it down anyway

If I were to try to secure it I would do the silicone footing and bed the pump in it (same as you would if installing a transducerto shoot through the hull).  Let's not get into this install in this thread please....I know how we all can get off track sometimes. :biggrin:
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Offline StreamFixer

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Re: How do you secure bilge pumps to the bottom?
« Reply #12 on: January 13, 2015, 07:39:28 PM »
A thread wander off topic   :facepalm:   --- ON THIS SITE???  :bigshock:  Heaven forbid.... 

I would really raise caine with the moderators if that were to happen ---  and start with the most recent moderator first....   :stirthepot:

StreamFixer

P.S.  He likes it under the bus    :whistle:

do you happen to have a black bush under your desk?

Not so much any more   :whistle:
« Last Edit: January 13, 2015, 07:49:00 PM by StreamFixer »
'97 19SC w/ Salt Boss Top
'03 Yamaha 115 EFI
'05 Yamaha T8 Solas 4 blade prop

"By the grace of God we travel upon the rivers and sea..
They, like He, are mightier than me."  Mike Jesperson aka 'Nalu'

Offline Diablo

Re: How do you secure bilge pumps to the bottom?
« Reply #13 on: January 14, 2015, 08:04:49 AM »
How about 'glue' the strainer down to a cleaned spot in the bilge with 5200? Then snap the pump in when thoroughly setup.  :twocents:
'98 19SR  '15 E Tec 115, '10 Honda 8
'88 17SR  '90 Johnson 90, Honda 8, SOLD

Offline Wyrguy

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How do you secure bilge pumps to the bottom?
« Reply #14 on: January 14, 2015, 08:42:31 AM »
How about 'glue' the strainer down to a cleaned spot in the bilge with 5200? Then snap the pump in when thoroughly setup.  :twocents:

That's how the three factory ones on my boat were installed. Kinda wish they hadn't used 5200 though as now those base/strainers will be there until the next millennium! Having said that, as far as I'm concerned, NOTHING installed on a boat is usually going to be permanent and it will need to be removed/replaced at some point in its life. IMO, 4200 has 'almost' as good of holding properties without the innate ability of destroying anything to remove it...  :shrug9:

Rick


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Offline Kimbrey

Re: How do you secure bilge pumps to the bottom?
« Reply #15 on: January 14, 2015, 09:19:39 AM »
How about 'glue' the strainer down to a cleaned spot in the bilge with 5200? Then snap the pump in when thoroughly setup.  :twocents:

That's how the three factory ones on my boat were installed. Kinda wish they hadn't used 5200 though as now those base/strainers will be there until the next millennium! Having said that, as far as I'm concerned, NOTHING installed on a boat is usually going to be permanent and it will need to be removed/replaced at some point in its life. IMO, 4200 has 'almost' as good of holding properties without the innate ability of destroying anything to remove it...  :shrug9:

Rick


Reluctantly sent from my iPhoney using this crappy Tapatalk app...
Supposedly hitting the 5200 area with some heat from a heat gun will allow you to remove the item
2005 Sea Legend --Sold--replaced with 26' Duckworth

Offline Kimbrey

Re: How do you secure bilge pumps to the bottom?
« Reply #16 on: January 14, 2015, 09:25:22 AM »
Ok, there's a couple of good ideas. 
My last iteration was to drill a hole in one of the stringers and run a zip tie through it and around the pump... seemed to work ok, except now the pump doesn't.
I pulled LiLi out of the water today for maintenance and some installations- reached the 70 hour (my spec) oil/lube change.
Purchased a new Rule 900 gph pump that looks like a red, white and blue Whale- they so copied!
I would assume the stringer is glassed over with wood. If correct I'd make sure the screw holes are sealed so you don't get any water intrusion. Not likely but possible.
2005 Sea Legend --Sold--replaced with 26' Duckworth

Offline Markshoreline

Re: How do you secure bilge pumps to the bottom?
« Reply #17 on: January 14, 2015, 09:28:33 AM »
Kim, the one I drilled was just fiberglass.

Gary, were you kidding about the drywall backers???   :shrug9:
2002 Sea Ranger HT 21, Yamaha 150, Yamaha 9.9

Offline CanvasGuy

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Re: How do you secure bilge pumps to the bottom?
« Reply #18 on: January 14, 2015, 09:55:29 AM »

Gary, were you kidding about the drywall backers???   :shrug9:

Nope..seen it done before..:) simple yet effective.. a bit of 4200 on the screws will also fix it..

 yet I am also a Flopper by hose guy ... float's around getting all that gunk...:biggrin:
« Last Edit: January 14, 2015, 09:59:15 AM by CanvasGuy »
Gary Smart
-1980 Hardtop Glasply Sedan"VistaCruiser" 
 http://www.smartcustomcanvas.com
“Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.” Arthur C. Clarke

Offline StreamFixer

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Re: How do you secure bilge pumps to the bottom?
« Reply #19 on: January 14, 2015, 09:56:45 AM »
No wood in Arima stringers since the mid 1980's

StreamFixer
'97 19SC w/ Salt Boss Top
'03 Yamaha 115 EFI
'05 Yamaha T8 Solas 4 blade prop

"By the grace of God we travel upon the rivers and sea..
They, like He, are mightier than me."  Mike Jesperson aka 'Nalu'

Offline SeaPacer

Re: How do you secure bilge pumps to the bottom?
« Reply #20 on: January 14, 2015, 11:28:52 AM »
Plus one for Diablos idea but with 4200 or just use the hose. Not a great spot for penetrations. IMHO. I've been hose flopin for 10 years plus it lets the pump sit as low as possible so it sucks up the most water.



Tiderunner 18 - sold | Sea Pacer 17 - sold | Pro-Line 20' Walk - Yamaha F150

Offline wedocq

Re: How do you secure bilge pumps to the bottom?
« Reply #21 on: January 14, 2015, 01:46:41 PM »
Ok, there's a couple of good ideas. 
My last iteration was to drill a hole in one of the stringers and run a zip tie through it and around the pump... seemed to work ok, except now the pump doesn't.
I pulled LiLi out of the water today for maintenance and some installations- reached the 70 hour (my spec) oil/lube change.
Purchased a new Rule 900 gph pump that looks like a red, white and blue Whale- they so copied!
Mark, post a pic of what you did. I would be nervous to drill holes in the stringer for fear of unwanted water intrusion.
-Shawn
2002 21' Arima Sea Ranger HT  Suzuki DF175 4-stroke.
WEDOCQ= WE DO SEKIU! It pays homage to my Uncle Jay who died of cancer.

Offline Markshoreline

Re: How do you secure bilge pumps to the bottom?
« Reply #22 on: January 14, 2015, 02:09:28 PM »
shawn,
my bilge is full of water right now- soaking the grime out... so can't take a pic.

the stringer is vertical and lives just behind the fish box 4"hole and a little to the left.  It's maybe 1/4" thick- I drilled a 1/8" hole in it to attach a zip tie.  no water intrusion issues at all there.
2002 Sea Ranger HT 21, Yamaha 150, Yamaha 9.9