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Primed Wrong Cavity?

E

equeen

Member
After reading more posts on different threads regarding priming the oil pump on my 1950 Cub, it appears that I've made a blunder in what I did.

Did I do wrong? If so, how bad a wrong and how to get the oil out?

I removed the hex head plug noted by the blue arrow in the photo, then added about 3 oz of engine oil into the cavity.
 
Trying again to upload photo.
a41130.jpg
 
I don't believe you have created any problem. The pump prime plug is on the left side of the engine to the extreme rear edge. If looking at the rear of the engine it would be at about the 10 o'clock position.
K-Mo
 
Okay, you were very clear as to the location to prime; but let me be sure I understood.

The prime plug is at the arrow behind the hdy lines in the photo, yes?
a41140.jpg
 
Yes, the oil pump is mounted on on the rear of the engine directly under the plug you have an arrow to. Pumping oil into this location will fill the oil pump.
K-Mo
 
You didn't hurt anything. Oil squirted into the suggested priming plug goes into the oil gallery, near the oil pump. The plug you used also goes into the oil gallery but farther away from the pump. Priming the pump from there might take a little longer or a little more oil. It is certainly harmless.
 
Seems like, way back when on ATIS, someone also said it could be primed through the oil filter base, or something to that effect. Could have just been to like prime the oil passages or something. I know I couldnt get that plug out on my Cub, and I poured oil into the filter base. I pulled mine with the switch off, and in 3rd until my pressure came up. Only took a few seconds.
 
David G. you are so correct!!!!

Thanks everyone.

Gene
PS: I'll be back as I continue to play with this toy I bought to take up some time - but not so much money - here in my older years.
 
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