743b Hydraulic Leak

My 93 743b has been leaking hydraulic fluid, not a ton but it's never leaked before. Just a plate sized spot overnight. It's been pooling up in the engine compartment and leaking out the back corner. I found the leak in the back by the battery. There's a metal hydraulic line and a black line that are bolted to the side to the right of the battery. It's the metal, upper line that has a small, probably pin hole sized, leak near the bend toward the back of the machine. Is there any way to simply repair this? I tried to wrap some rubber around it with a hose clamp, but that didn't do the trick. Can I purchase a replacement line that is pre-made? or will I have to have one made? I am terrible with mechanics but it looks like it can be unscrewed on both ends to be replaced pretty easy? If so is there a way to keep it from spewing out fluid when removing/replacing? Thank you guys so much in advance.

I would take it off and take it to my local shop had three made for under a hundred bucks some might braze it when taking it off put something to catch the fluid

If you don't have a hydraulic shop close by to make the hydraulic tube, you can buy one from Bobcat they are a little higher but not to bad and fit perfectly. Bill B

wbecker said:

If you don't have a hydraulic shop close by to make the hydraulic tube, you can buy one from Bobcat they are a little higher but not to bad and fit perfectly. Bill B

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If it's just a wear spot, you can get it out and braze it up. I have done this many times with great success.

Tazza said:

If it's just a wear spot, you can get it out and braze it up. I have done this many times with great success.

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thanks guys, I'm going to try to fix it myself tomorrow. We have a hydraulic shop so I'll probably get one made since I don't have a welder. I haven't had much with my local mechanic working on it. He get's it done but always seems to have problems. This seems like a pretty simple fix so I'm going to attempt it myself. Thanks for the advice. Will let you know how it goes. Just take it out and put the new one in right, nothing else I need to know or watch out for?

idwoodhauler said:

thanks guys, I'm going to try to fix it myself tomorrow. We have a hydraulic shop so I'll probably get one made since I don't have a welder. I haven't had much with my local mechanic working on it. He get's it done but always seems to have problems. This seems like a pretty simple fix so I'm going to attempt it myself. Thanks for the advice. Will let you know how it goes. Just take it out and put the new one in right, nothing else I need to know or watch out for?

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Just clean it good first no crap in the line cap it off to be sure

antfarmer2 said:

Just clean it good first no crap in the line cap it off to be sure

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Went and got a replacement hose they sold me since they didn't have the metal line. Looks like it won't bend sharp enough to install now I have to find a shop that can do the metal line or the correct part. There goes $30 so far

idwoodhauler said:

Went and got a replacement hose they sold me since they didn't have the metal line. Looks like it won't bend sharp enough to install now I have to find a shop that can do the metal line or the correct part. There goes $30 so far

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The hose doesn't need to run in the exact same path as the metal line. As long as it joins the two hoses together it will be ok. Just watch that it does not rub on corners of the frame as over time it will wear through.

Tazza said:

The hose doesn't need to run in the exact same path as the metal line. As long as it joins the two hoses together it will be ok. Just watch that it does not rub on corners of the frame as over time it will wear through.

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I had to get one with a 90 on one end in order to fit the tight quarters. Once I got that it was pretty easy. At least I fixed it myself. I should have known the first one wasn't going to work but the guy at the first part store I went to didn't even look at the clearance for the bend. I noticed it but by then it was too late so I tried to put it in anyway. Thanks again for the advice.

idwoodhauler said:

I had to get one with a 90 on one end in order to fit the tight quarters. Once I got that it was pretty easy. At least I fixed it myself. I should have known the first one wasn't going to work but the guy at the first part store I went to didn't even look at the clearance for the bend. I noticed it but by then it was too late so I tried to put it in anyway. Thanks again for the advice.

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Good job!!!!!

antfarmer2 said:

Good job!!!!!

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I noticed another hydraulic leak after I fixed the one. This one is on the left side dripping into the engine compartment. I was running the aux hydraulics on an auger, which I never use and not sure if that made a difference. It looks like it is coming from the thinly accessible area where the hoses go up into the lift arms on the left. Is there a trick to accessing this area? I have no idea how to remove arms etc. if necessary. I'd say it was losing maybe a cup a day (I'm used to it being dry) so I had to top it off a few times. I just have regular hydraulic fluid from the store and nothing special. Thanks so much for your guys help.

idwoodhauler said:

I noticed another hydraulic leak after I fixed the one. This one is on the left side dripping into the engine compartment. I was running the aux hydraulics on an auger, which I never use and not sure if that made a difference. It looks like it is coming from the thinly accessible area where the hoses go up into the lift arms on the left. Is there a trick to accessing this area? I have no idea how to remove arms etc. if necessary. I'd say it was losing maybe a cup a day (I'm used to it being dry) so I had to top it off a few times. I just have regular hydraulic fluid from the store and nothing special. Thanks so much for your guys help.

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Just take off the clamps pull the lines down and undo