50's, early 60's ford hydraulic pump

farmbif · Oct 18, 2021

im kind of desperate for some expert advice

my 1962 ford 4000 diesel with factory installed Sherman trans
the old pan is over full of hydraulic fluid.
im desperate to make it right as its my old tractor right now to use to drag in trees for firewood

SVcummins · Oct 18, 2021

The engine oil pan is overfull ?

farmbif · Oct 19, 2021

warbaby · Oct 19, 2021

On a '62 Ford there is no way for hydraulic oil to get into the oil pan. The two totally independent, isolated systems dont have any way to leak into each others
realm.

The most likely scenario is that you have a leaking seal at the bottom of your injection pump and your extra fluid in the pan is diesel fuel.

JMOR · Oct 19, 2021

(quoted from post at 08:54:46 10/19/21) On a '62 Ford there is no way for hydraulic oil to get into the oil pan. The two totally independent, isolated systems dont have any way to leak into each others
realm.

The most likely scenario is that you have a leaking seal at the bottom of your injection pump and your extra fluid in the pan is diesel fuel.

ow sure are you about that? Me, not as sure as you sound.

Janicholson · Oct 19, 2021

It could be Coolant raising the level of oil. Loosen the drain plug on the engine oil pan till it is almost out and see if coolant comes out first. If so it
isn't Hydraulic oil, which is unlikely unless someone put it in there. Also is the possibility that it is fuel contamination. In all eventuality don't run it
till it is figured out. Jim

warbaby · Oct 19, 2021

You may be right. Maybe its possible for the pump shaft seal to go bad and for hydraulic oil to travel along the shaft to the pump/camshaft gear mesh point and
into the pan?
That scenario works for the injector pump seal!

JMOR · Oct 19, 2021

(quoted from post at 15:13:17 10/19/21) You may be right. Maybe its possible for the pump shaft seal to go bad and for hydraulic oil to travel along the shaft to the pump/camshaft gear mesh point and
into the pan?
That scenario works for the injector pump seal!

hat is the way I see it.

Ozlander · Oct 19, 2021

(quoted from post at 14:13:17 10/19/21) You may be right. Maybe its possible for the pump shaft seal to go bad and for hydraulic oil to travel along the shaft to the pump/camshaft gear mesh point and
into the pan?
That scenario works for the injector pump seal!

On my NAA, when the pump seal gave up, it sucked air thus loosing prime.

farmbif · Oct 19, 2021

ok, I checked dip stick by the pto engagement lever, that oil level is perfect and that oil is a darker color.
now I'm stumped if that is the hydraulic reservoir.
im going to see if rural king or tractor supply has any type of manual to cover this older 4 cylinder ford. because its my first ford with a gear driven hydraulic pump bolted to side of engine.
if it were engine coolant filling the oil pan it would be like whipped cream on the dipstick.
the oil over filling oil pan is clear and smells like hydraulic fluid
while I;m searching for manual locally ill get a bucket of UTF because I'm not sure if the 303 tractor fluid I have is good for this machine. I've got to check all the levels and I'm guessing the pipe plugs on the side of housings are the overfill ports.
also will get new oil filter for engine and drain pan and refill with rotella 15-40
I'm assuming this ford diesel is good with 15-40 like all other diesels ive had

This post was edited by farmbif on 10/19/2021 at 03:48 pm.

warbaby · Oct 20, 2021

That makes even more sense- the oil in the manifold is of a far greater density than the air. Picture a leaky seal on a shaft with oil on one side and air on the
other. All things being equal, which one is easier to pull into a vacuum?

50's, early 60's ford hydraulic pump

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