hydraulic pump priming

Marvin Rosenkoetter · Jul 3, 2014

I need to know the procedure for priming the hydraulic pump on my Ford 800 tractor.

jeff pk · Jul 3, 2014

Jack up the rear end and run it for 20 minutes---while up, move the lift up and down until it smooths out.

Kurt-NEPA · Jul 3, 2014

Assuming you have a round piston pump. With the tractor running, back out the pipe plug on the front of the pump until you see some bubbles. When the bubbles stop tighten the plug.

Be careful. This is messy. And if you go too far with the plug you'll get an oil shower.

It that doesn't, work post back, there are other options. If you have a square vane pump, post back.

sunbeam · Jul 3, 2014

Git the pump lower the rear end. I drive the front wheels into the road ditch leaving the rear wheels in the road and they will usally prime themselves.

Dave Warden · Jul 6, 2014

Get a plug that has the barb to hook a clear hose on anrun it back into the sump. No mess gaurantee.

Lanexa Speedway · Jul 6, 2014

(quoted from post at 09:20:19 07/06/14) Get a plug that has the barb to hook a clear hose on anrun it back into the sump. No mess gaurantee.

I like this idea. Gonna use it soon. Thanks!!!

Sean in PA · Jul 7, 2014

(quoted from post at 08:20:19 07/06/14) Get a plug that has the barb to hook a clear hose on anrun it back into the sump. No mess gaurantee.

Having a line back to the sump will bleed the system for sure, but it won't ever be able to do ay work unless you also install a shutoff valve for the line.

Garycw · Jul 17, 2014

(quoted from post at 17:22:36 07/03/14) I need to know the procedure for priming the hydraulic pump on my Ford 800 tractor.

No jacking up needed. Fill redivide with 2 gal of UTF with 134D spec for ford. Lossen bleed plug on pump( without motor running) wait and see if fluid appears. Yes- re install plug , start and work lift. No- reinstall plug, remove dip stick and with rubber tip air gun apply about 5 lbs air pressure to dip stick hole with engine running and move lift control and see if it lifts. With engine running you can slightly loosen plug to bleed further of fluid and bubbles.
Or that's how I did it. There's a good video from external link on doing this too

Garycw · Jul 18, 2014

(quoted from post at 17:22:36 07/03/14) I need to know the procedure for priming the hydraulic pump on my Ford 800 tractor.

Here's a good vid on priming
http://youtu.be/qkv0MfmFupw

Garycw · Jul 18, 2014

(quoted from post at 22:31:32 07/03/14) Jack up the rear end and run it for 20 minutes---while up, move the lift up and down until it smooths out.

??? I don't understand the logic of jacking up the back of tractor??? What's that have to do with hydraulics and makes for a potentially dangerous scenario.

Sean in PA · Jul 18, 2014

(quoted from post at 09:22:43 07/18/14)

(quoted from post at 22:31:32 07/03/14) Jack up the rear end and run it for 20 minutes---while up, move the lift up and down until it smooths out.

Click to expand...

??? I don't understand the logic of jacking up the back of tractor??? What's that have to do with hydraulics and makes for a potentially dangerous scenario.

The hydraulic sump is located toward the rear of the tractor from the pump, so positioning the tractor with the nose downhill from the rear allows gravity to help prime the system. Most folks just park it on a hill with the nose pointing downhill rather than actually jacking up the rear, but if you live in the flatlands and don't have any hills available, you do watcha gotta do.

cmkmtrucker · Jul 23, 2014

Remove the dipstick in the hydraulic reservoir with the tractor running and blow some compressed air in.

hydraulic pump priming

Marvin Rosenkoetter

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jeff pk

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Kurt-NEPA

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sunbeam

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Dave Warden

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Lanexa Speedway

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Sean in PA

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Garycw

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Garycw

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Garycw

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Sean in PA

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cmkmtrucker

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