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Old 08-09-2011, 05:19 PM   #2
Marin
Scraping Paint
 
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Join Date: Oct 2007
Posts: 13,745
fuel injection pump

From your photos it appears that your pump is lubed by the engine's lube oil. I'm saying this on the assumption that the hoses attached to the top and bottom of the pump are plumbed to the engine, perhaps to the oil filter fitting. If this is the case, then you don't need to change the pump oil by itself, and there would be no reason to.

The CAV/MINIMEC/SIMMS injection pumps on the FL120 and the older 4-cylnder Ford Lehmans do need to have their lube oil changed every 50 hours because they are lubed independently of the oil in the engine itself and the oil is gradually diluted by fuel leaking down past the jerk injection pistons up above. The photo below is of the pump on one of our FL120s and as you can see there is no oil plumbing attached to the pump. The drain plug for the pump oil is on the bottom of the pump case more or less under the letter "L" in "Level."

But if you have any questions regarding a Ford Lehman engine I suggest you call Brian or Bob Smith at American Diesel. Bob worked for Lehman way back when and was involved in the marinization of a number of their engines. Brian is his son. American Diesel is the best place today for Lehman advice, problem-solving, and parts.


-- Edited by Marin on Tuesday 9th of August 2011 06:23:00 PM
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