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03-24-2018, 08:01 PM
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#21
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Senior Member
City: Oriental
Vessel Name: Delphina
Vessel Model: President 43
Join Date: Aug 2014
Posts: 289
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1983 and it looks as if the plate had been replaced as it only has 4 screws no gasket
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03-24-2018, 08:08 PM
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#22
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Senior Member
City: Oriental
Vessel Name: Delphina
Vessel Model: President 43
Join Date: Aug 2014
Posts: 289
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Rest of engine looks good but I will check all connections anyway ... the cover plate had only 4 screws so I’m sure it was a quick fix at one point . I’m gonna get a rebuild kit with proper cover plate gasket and screws and impeller
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03-24-2018, 08:18 PM
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#23
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Guru
City: Cape May, NJ
Vessel Name: Irish Lady
Vessel Model: Monk 36
Join Date: Dec 2007
Posts: 4,886
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A rebuild kit won't help as the remainder of the 2 screw threads are still in the threaded holes. Based on the photo they look like they broke off below the pump body machined surface. So that means a new or rebuilt pump assembly unless you can somehow dig them out.
__________________
Archie
Irish Lady
1984 Monk 36 Hull #46
Currently in Stuart, FL
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03-24-2018, 08:27 PM
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#24
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Enigma
City: Slicker?
Join Date: Oct 2007
Posts: 16,358
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Greetings,
Mr.K. Mr. HW is absolutely correct. Looks like you'll have to pull the WP. IF you can't readily get the broken screws out, a good machine shop should be able to remove the stubs without causing pump ruination and necessitating replacement.
One bonus of removing the pump is you will be able to see whether or not it is the "old" style (I'm assuming a Lehman 120 HP) which are prone to breakage. IF it IS the old style, don't bother too much with repair unless you REALLY feel the need for a spare. Replace it with the "new" style available from American Diesel or Bomac.
__________________
RTF
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03-24-2018, 08:38 PM
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#25
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Senior Member
City: Oriental
Vessel Name: Delphina
Vessel Model: President 43
Join Date: Aug 2014
Posts: 289
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New style ???
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03-24-2018, 08:48 PM
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#26
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Senior Member
City: Oriental
Vessel Name: Delphina
Vessel Model: President 43
Join Date: Aug 2014
Posts: 289
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Thanks
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03-24-2018, 08:53 PM
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#27
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Enigma
City: Slicker?
Join Date: Oct 2007
Posts: 16,358
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Mr. K. Whoa! I deleted my post. Get the correct information and #'s from someone who actually knows what they're talking about. I only know: Old style pump=bad. New style pump=better.
__________________
RTF
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03-24-2018, 08:56 PM
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#28
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Senior Member
City: Oriental
Vessel Name: Delphina
Vessel Model: President 43
Join Date: Aug 2014
Posts: 289
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The pump I removed
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03-24-2018, 09:06 PM
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#29
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Guru
City: Queensland
Vessel Model: Milkraft 60 converted timber prawn trawler
Join Date: Jul 2016
Posts: 5,482
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Quote:
Originally Posted by kapnd
Those look pretty crusty!
Hope that’s not representative of all the mechanical parts on your boat.
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Frightening isnt it. 
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03-24-2018, 09:08 PM
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#30
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Guru
City: Queensland
Vessel Model: Milkraft 60 converted timber prawn trawler
Join Date: Jul 2016
Posts: 5,482
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Quote:
Originally Posted by KEVMAR
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Get that thing bead blasted and rebuilt pronto.
Its a jabsco so one would like to think its mostly ok.
Mind you, over there its probably cheaper to bin it and buy new.
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03-24-2018, 09:18 PM
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#31
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Enigma
City: Slicker?
Join Date: Oct 2007
Posts: 16,358
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Mr. K That cover does appear to be an aftermarket "Speed Seal" but it's the end opposite the impeller that is of concern. Where to pump connects to the motor. The old style is prone to failure and as I said, is probably NOT worth re-building. Please provide a picture of the other end please.
__________________
RTF
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03-24-2018, 11:06 PM
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#32
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TF Site Team
City: California Delta
Vessel Name: FlyWright
Vessel Model: 1977 Marshall Californian 34 LRC
Join Date: Apr 2008
Posts: 13,724
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Call a pro and have it looked at by someone who knows what he's looking at. It's the best money you'll ever spend.
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03-25-2018, 01:19 AM
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#33
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Guru
City: Sydney
Vessel Name: Sojourn
Vessel Model: Integrity 386
Join Date: Oct 2011
Posts: 13,134
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There is a replacement ADC pump unit,which overcomes breakage risks of the drive tang. It has a geared drive. Not a totally R&R job, you have to blank off an oil passage(?). Costs about $500USD,($900AUD by the time mine got here). Many owners have fitted them as an improvement, yours sounds cactus, it`s a no brainer IMO.
__________________
BruceK
2005 Integrity 386 "Sojourn"
Sydney Australia
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03-25-2018, 07:12 AM
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#34
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Senior Member
City: Oriental
Vessel Name: Delphina
Vessel Model: President 43
Join Date: Aug 2014
Posts: 289
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think its time for a new one ,,, a call to American Diesel will be in order on Monday morning .. thank you all for your help .
PS: I believe this part is called a cooling pump ?? is that correct?
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03-25-2018, 07:22 AM
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#35
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Guru
City: Ft Pierce
Vessel Name: Sold
Vessel Model: Was an Albin/PSN 40
Join Date: Oct 2011
Posts: 27,736
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Raw water pump may be the term they use.
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03-25-2018, 08:47 AM
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#36
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Guru
City: Edgewater, MD
Vessel Name: Catalina Jack
Vessel Model: Defever 44
Join Date: Nov 2011
Posts: 3,585
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Quote:
Originally Posted by KEVMAR
New style ???
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A Johnson pump. Looks identical, fits perfectly. I recently changed on both Lehman 120s. Call Brian at American Diesel. He'll ship the same day. Reuse the bronze elbows from the existing pump.
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03-25-2018, 08:49 AM
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#37
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Guru
City: Edgewater, MD
Vessel Name: Catalina Jack
Vessel Model: Defever 44
Join Date: Nov 2011
Posts: 3,585
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Rebuild the Jabsco? Not the consensus among this group. Get a new Johnson.
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03-25-2018, 09:37 AM
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#38
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Senior Member
City: Oriental
Vessel Name: Delphina
Vessel Model: President 43
Join Date: Aug 2014
Posts: 289
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Thanks jack I will call ��the pump I have now is a jabsco .,.. Do you remember how much the new pump costed?
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03-25-2018, 11:02 AM
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#39
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Guru
City: Toms River
Vessel Name: V E N T U R E
Vessel Model: 1996 36' Island Gypsy Classic
Join Date: Dec 2009
Posts: 1,346
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Quote:
Originally Posted by FF
If the water continues , one solution is to pull the hose from the pump (you will need to do that to repair the pump anyway) and stick a dowel or anything into the hose and clamp tight.
When your at the boat store for pump parts , pick up a set of wooden emergency plugs made for emergency leak use.
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Great Advice!
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03-25-2018, 01:16 PM
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#40
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Guru
City: Cape Cod, MA
Vessel Name: Island Seeker
Vessel Model: Willard 36 Sedan
Join Date: Oct 2007
Posts: 1,295
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The screws on my water pump (Sherwood) and the bolts on my heat exchanger flange were all brass on my engine. Exchanging them for SS b/4 they rotted away (Dezincafied) saved me a lot of grief.
For that matter, except for high strength bolts, every time I work on the engine, I replace replace the affected fasteners with SS If I have them or can get them nearby. In the long run this has saved be time and I feel like I'm sure I can get something apart on the water if I need to.
Just exchanging SS shakeproof nuts for rusty nuts and lockwashers is enough if you don't have the bolts at hand.
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