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Ford 4500 Backhoe

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Hutch1234

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These two hoses are leaking at the fittings. Are these the right fittings? I haven't relpalfe any hoses but some where replaced before I bought it. I don't know much about hydraulics but when I look at the manual they appear right to me but I don't know enough to catch Suttle differences. Im going to check to make sure they aren't loose but I what else would cause fittings to leak?



mvphoto107917.png



This post was edited by Hutch1234 on 07/26/2023 at 04:49 pm.
 
(quoted from post at 19:42:02 07/26/23) These two hoses are leaking at the fittings. Are these the right fittings? I haven't relpalfe any hoses but some where replaced before I bought it. I don't know much about hydraulics but when I look at the manual they appear right to me but I don't know enough to catch Suttle differences. Im going to check to make sure they aren't loose but I what else would cause fittings to leak?



mvphoto107917.png



This post was edited by Hutch1234 on 07/26/2023 at 04:49 pm.
Click to expand...

They may look tight but checking them with a wrench is the thing to do as a first step.
 
Not sure which fittings those are but if
you want to check if they are original
look at the online parts diagrams. Below
is a link for the 4500 tractor, the loader
should be a 740, and the backhoe a 753 or
755. Type the various model numbers into
the search box on the page given.

That said, over time hoses/fittings get
changed and may be different than original
but still work fine. If the leaks are
just slow seeping leaks that is almost
considered normal on 50 year old backhoe.
If you are bothered pinpoint leak by
cleaning fittings/hose ends real good,
operate machine, and find the origin.
Might be adapter, hose's swivel fitting,
or hose crimp.
Ford 4500 diagrams
 
If they are tight and still leak, disconnect the hose
and inspect the flare seat on the adapter, and look
down the hose at the flare. Some people get brutal
changing this stuff and the flare seat could have a
nick or a dent in it. The flare in the hose is less
likely to be damaged, but can happen. Cant tell in
the picture if that is an adapter or the end of a steel
line. Changing the adapter would be easy, a steel
line less so. If damaged, they can be fixed at home
with lapping compound, but would require removal
of all affected pieces so the lapping compound can
be thoroughly removed.
 
(quoted from post at 19:12:49 07/26/23)
(quoted from post at 19:42:02 07/26/23) These two hoses are leaking at the fittings. Are these the right fittings? I haven't relpalfe any hoses but some where replaced before I bought it. I don't know much about hydraulics but when I look at the manual they appear right to me but I don't know enough to catch Suttle differences. Im going to check to make sure they aren't loose but I what else would cause fittings to leak?



mvphoto107917.png



This post was edited by Hutch1234 on 07/26/2023 at 04:49 pm.
Click to expand...

They may look tight but checking them with a wrench is the thing to do as a first step.
Click to expand...
The end one was definitely loose. I was able to tighten it. That stopped about 95% of the leak. I didn't have the clearance to get a wrench on the inside one. I'm sure what my strategy will be yet.
 
(quoted from post at 21:47:06 07/27/23)
(quoted from post at 19:12:49 07/26/23)
(quoted from post at 19:42:02 07/26/23) These two hoses are leaking at the fittings. Are these the right fittings? I haven't relpalfe any hoses but some where replaced before I bought it. I don't know much about hydraulics but when I look at the manual they appear right to me but I don't know enough to catch Suttle differences. Im going to check to make sure they aren't loose but I what else would cause fittings to leak?



mvphoto107917.png



This post was edited by Hutch1234 on 07/26/2023 at 04:49 pm.
Click to expand...

They may look tight but checking them with a wrench is the thing to do as a first step.
Click to expand...
The end one was definitely loose. I was able to tighten it. That stopped about 95% of the leak. I didn't have the clearance to get a wrench on the inside one. I'm sure what my strategy will be yet.
Click to expand...

On those type valves and manifolds, common practice is to remove as many outer ones as needed for access to the inner ones then reinstall the ones removed for access.
 
(quoted from post at 22:38:00 07/27/23)
(reply to post at 19:18:40 07/27/23)
Click to expand...

Not a dumb question just one without a firm answer. Some will come out, it will vary but I would expect less than a couple gallons, if that much, hopefully less than one.

Put the bucket on the ground, shut the tractor off, move and hold each control lever at the full extreme in both directions for several seconds to relieve any pressure and let the lift and bucket settle to a resting position. That will minimize what will come out. Keep the ends of the hoses elevated when you remove them, wire them up to the loader frame if needed.
Click to expand...
 
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