1943ford9n
New User
Not sure how this works? I have a 9n with a fresh engine rebuild. I keep losing oil pressure after stopping and starting about 6 times. I prime it and then it is good.
(quoted from post at 23:23:40 04/08/17) what do you mean why didnt the machine shop do it? I inspected it before it was installed and then i now drained the oil and checked it by making sure it was not loose by moving it from the drain plug.
If the gear has been running cocked sideways it will rub against and eat into the housing and cover. You should always inspect that area of the housing as well as the cover plate for signs of scoring and wear before replacing the gears and bushing.
TOH.
(quoted from post at 11:46:40 04/09/17)If the gear has been running cocked sideways it will rub against and eat into the housing and cover. You should always inspect that area of the housing as well as the cover plate for signs of scoring and wear before replacing the gears and bushing.
TOH.
Amen .
I have 5 blocks sitting in the corner . I took the pumps to my machinist buddy and we installed new bushings and custom bored each bushing to fit its used shaft . Every pick up tube needed the flat side resurfaced . I will test for leak down before I install them . I am on the fence about switching to the 3/4" pump for my personal 8N . I am leaning to keeping the 9/16" pump and running 10-30 synthetic . I would like to use the money saved towards something that was designed for a front end loader , either Old and Blue or Newer and Orange .
The pump gear is a press fit on the end of the shaft. How can you go undersize on the bushing and still get the end of the shaft through it?
TOH
(quoted from post at 15:12:43 04/09/17)The pump gear is a press fit on the end of the shaft. How can you go undersize on the bushing and still get the end of the shaft through it?
TOH
I dropped them off and picked them up after they were done so I will have to ASSUME that the shafts were not worn more than a few thousandths , enough to make it tough assembling but tight once installed ? I know he built parts for Boeing for decades and would have told me if any needed parts as that was a doable option .
(quoted from post at 15:47:20 04/09/17) is there anything special i have to do to install a new 3/4 oil pump instead of the 9/16 pump that is original? Thanks for the help.
(quoted from post at 14:32:27 04/09/17) well it has lost primp again. I primed it last night and it was good 35. Started this afternoon and still good 35. Ran the tractor for about 45 min with a spring tooth on it. When hot it was at 20. Turned tractor off and started again and only 5 and now zero. What should i start with first?? Oil pump?
This is that royal PITA part I was talking about. Everything points to the oil pump but you can't be 100% sure.
TOH
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