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08-04-2016, 04:05 PM
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#1
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Guru
City: Ft Pierce
Vessel Name: Sold
Vessel Model: Was an Albin/PSN 40
Join Date: Oct 2011
Posts: 28,149
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Lehman 120 thermostat
Anyone replace one lately?
Looking for info on if the gasket goes on top or under the thermostat lip.
It would seem to go on after as the small indent to accept the thermostat is in the block, not the expansion tank.
What is throwing me is the exploded parts diagrams (I know not always assembly instructions)...they show the gasket going on first then the thermostat, then the expansion tank....
Just doesn't feel right...any thoughts, pics or links?
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08-05-2016, 06:19 AM
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#2
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Guru
Join Date: Jun 2008
Posts: 5,037
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I did mine but honestly can't recall.
What was the arrangement when you took yours apart?
__________________
Jay Leonard
Ex boats: 1983 40 Albin trunk cabin, 1978 Mainship 34 Model 1
New Port Richey, Fl
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08-05-2016, 06:29 AM
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#3
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Guru
City: Ft Pierce
Vessel Name: Sold
Vessel Model: Was an Albin/PSN 40
Join Date: Oct 2011
Posts: 28,149
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Quote:
Originally Posted by jleonard
I did mine but honestly can't recall.
What was the arrangement when you took yours apart?
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Unfortunately....
Anheuser-Busch disease set in and I forgot.
Pretty sure it has to be the thermostat sits in the groove and the gasket goes on top of the 2 now flush mating surfaces, but like I said...the parts diagrams make it look different.
They do show the temp spring down in the block side correctly at least so I have to question myself at least a little.
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08-05-2016, 07:32 AM
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#4
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Senior Member
City: Portland, OR
Vessel Name: Cool Water
Vessel Model: C&L Puget Trawler
Join Date: Jun 2013
Posts: 278
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Quote:
Originally Posted by psneeld
Unfortunately....
Anheuser-Busch disease set in and I forgot.
Pretty sure it has to be the thermostat sits in the groove and the gasket goes on top of the 2 now flush mating surfaces, but like I said...the parts diagrams make it look different.
They do show the temp spring down in the block side correctly at least so I have to question myself at least a little.
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I placed the thermostat on first, then the gasket. There was some pitting so I added a small amount of the blue gasket seal from NAPA. No leaks.
By the by, I used 180 degree thermostats for replacements.
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08-05-2016, 07:43 AM
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#5
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Guru
City: Ft Pierce
Vessel Name: Sold
Vessel Model: Was an Albin/PSN 40
Join Date: Oct 2011
Posts: 28,149
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Quote:
Originally Posted by TONTOROSS
I placed the thermostat on first, then the gasket. There was some pitting so I added a small amount of the blue gasket seal from NAPA. No leaks.
By the by, I used 180 degree thermostats for replacements.
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Thank you....sounds right.....
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08-05-2016, 09:11 AM
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#6
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Guru
City: Ft Pierce
Vessel Name: Sold
Vessel Model: Was an Albin/PSN 40
Join Date: Oct 2011
Posts: 28,149
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Thanks all....
A call to American Diesel confirmed gasket on top......
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08-05-2016, 09:14 AM
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#7
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Guru
Join Date: Jun 2008
Posts: 5,037
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Quote:
Originally Posted by psneeld
Anheuser-Busch disease set in and I forgot.
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Ahhh got it!!
__________________
Jay Leonard
Ex boats: 1983 40 Albin trunk cabin, 1978 Mainship 34 Model 1
New Port Richey, Fl
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08-05-2016, 10:22 AM
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#8
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Guru
City: Sarasota/Ft. Lauderdale
Join Date: Apr 2014
Posts: 5,438
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Use Permatex #2 on the face of the gasket that goes toward the tank and then Super Lube or something like it on the surface of the gasket that goes toward the block.
That way in most cases it will come apart easy later and you can reuse the gasket.
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08-05-2016, 10:40 AM
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#9
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Guru
City: Powell River, BC
Vessel Name: Northern Spy
Vessel Model: Nordic Tug 26
Join Date: Feb 2012
Posts: 4,075
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The Right Stuff gasket maker by permatex.
Use on pretty much everything on the engine. Don't even use Garlock or paper gaskets anymore.
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08-05-2016, 11:46 AM
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#10
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Guru
City: Ft Pierce
Vessel Name: Sold
Vessel Model: Was an Albin/PSN 40
Join Date: Oct 2011
Posts: 28,149
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Good info for me and all...thanks!
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