4440 hydraulic line

taterdigger · Jul 1, 2020

The main hydraulic line (metal) from the main pump going back has blown on my 4440, how do I get to the front connection to remove it? It looks too tight to get a wrench around it.

wore out · Jul 1, 2020

Have you removed the plate(s) under the radiator and over the pump?

Once that's done you should be able to get it loose with a crow's foot wrench, or, even better, a crow's foot tubing wrench, if there's enough room around the fitting.

<img src = "https://i.imgur.com/gVYTRI5.jpg">

Some guys break 'em loose first with a punch or a chisel and a hammer, or an air hammer, that may loosen the fitting in the pump as well, requiring a new O-ring there.

matthies · Jul 1, 2020

It takes an 1 1/4 wrench, take the web plate from under the radiator and should get out with regular wrench. There should be a clamp half way back on the inside of the frame rail make sure that is there, may also have a 3/8 bolt missing from the junction block where it disconnects at the split.

tim s · Jul 1, 2020

There is a flat plate that you can remove in front of the radiator that will help.

taterdigger · Jul 2, 2020

(quoted from post at 11:02:17 07/01/20) The main hydraulic line (metal) from the main pump going back has blown on my 4440, how do I get to the front connection to remove it? It looks too tight to get a wrench around it.

taterdigger · Jul 2, 2020

(reply to post at 18:38:10 07/02/20)

hanks for the info got it fixed, tho I had a parts house make a flexible line to replace the steel on which makes the install much easier.

4440 hydraulic line

taterdigger

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wore out

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matthies

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tim s

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taterdigger

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taterdigger

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