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12-24-2019, 07:56 PM
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#1
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Member
City: Powell River, BC
Vessel Name: Iambe
Vessel Model: 1981 35 Cheoy Lee Trawler
Join Date: Oct 2018
Posts: 9
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Coolant Drain
Trying to locate coolant drain on 4D254-80 hp Lehman engine. Found the petcock near the alternator but I was told that there is a lower one close to the lift pump at 11 o’clock position. Could not find it. I would think it would be in a similar position on the 135.
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12-25-2019, 06:59 AM
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#2
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Guru
City: Fort Myers, FL... Summers in the Great Lakes
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 12,834
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If you don't have a manual, a Google search found both the 80 and the 135 online. I would assume they would have the locations shown or explained.
Ted
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12-25-2019, 07:08 AM
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#3
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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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It may be different on an 80 or 135, but here's a picture of a Lehman 120. The petcock is to the left of of the air intake.
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12-25-2019, 08:22 AM
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#4
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Guru
City: Narragansett Bay
Vessel Model: Grand Banks 36 Classic #715
Join Date: Sep 2016
Posts: 1,857
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Quote:
Originally Posted by catalinajack
It may be different on an 80 or 135, but here's a picture of a Lehman 120. The petcock is to the left of of the air intake. Attachment 97791
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You may not have a petcock. It might be a plug. Or it may have a water heater or something of that sort plumbed in.
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12-26-2019, 08:50 AM
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#5
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Guru
City: Brookline, NH
Vessel Name: Shalloway
Vessel Model: Defever 44, twin Perkins
Join Date: Sep 2013
Posts: 2,260
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I can tell you that the drain petcock shown in post #3 is in the same position on the 135's. I have never heard of one near the lift pump.
Ken
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12-26-2019, 01:06 PM
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#6
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Guru
City: Gibsons, B.C., Canada
Vessel Name: Island Pride
Vessel Model: Palmer 32'
Join Date: Oct 2007
Posts: 4,414
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Lehman engine?
Have you contacted American Diesel for help? If not then do so. Maybe they can help.
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12-26-2019, 05:33 PM
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#7
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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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No need to bother Brian. The petcock/drain plug is where I said it is in the picture. I recently used them to refresh the coolant in my 120s.
Quote:
Originally Posted by C lectric
Lehman engine?
Have you contacted American Diesel for help? If not then do so. Maybe they can help.
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