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Thanks for all who replied. It was the lift pump. I put off changing it over the winter, (because I didn't want to).

In

Thanks. I had not used my primer in over a year, and it was leaking like a sieve. Jim

Thank you Sir. I will go with the 125. Jim

I think I need to replace the original, screw top, primer. Searching the Internet, I come up with two Bosch part numbers, bosch 2 447 222 125, and bosch 2 447 222 126. Can anyone please tell me which one I need? Thanks, Jim

Does anyone have a more detailed schematic of the bucket cylinder line routing on the back of the boom? This diagram seems to show the bends in the hard line nearest the stick, or rear of machine. My machine had them toward the front. Also, are there any tricks to how the rubber hoses should...

I'm trying to remove the cylinders from the stabilizers. I have the snap rings, and hydraulic lines removed, but the pins holding the lower end to the stabilizer pad will not budge. I've tried several applications of PB Blaster over the past few days, and still no luck. Am I missing something...

Thank you. That’s great information.

Thank you, Sir.

What makes you assume I did not try to find it in the TMs?

If you would like to impress me, simply answer the question that was originally asked. Other than that, have a nice day...

Well then let me apologize for my plebian inquiry. Personally, I find personal experience to be of great value in many endeavors. I'd love to hear why someone might approach it a certain way, and why. Maybe learn the mistakes of others. First hand knowledge from multiple sources is far more...

I'd like to learn how to remove them for a couple of reasons, I think it would be a good thing to know. I may want to take it places where I don't need an excavator, and would like to eliminate the weight, and lower the center of gravity. I'm considering where I'm going to park it while I work...

I'd like to learn how to remove the attachments while I work on the hydraulic cylinders. Does anyone know where I can find this information? A link would be very appreciated. TIA. Jim

No, I was unable to lift a stump with my bucket, but couldn’t. (The backhoe lifted it with ease.) i would like to measure the operating pressure to the loader. I’m hoping to use a couple of hydraulic quick connects with a gauge plumbed between them for testing. I would like to know what the...

I am wondering if the front hydraulic system of the FLU419 operates at 2,450 psi, like the rear system?

I was able to get at the regulator by removing the spare tire. It apparently just need a little adjustment, and all is working now. Thanks for the replies.

Can someone tell me how I can access the 4x4 locking cylinder, as well as the 2 speed? Is tilting the cab necessary? Those components are not currently operating. Thanks, Jim

As far as I can see, it only affects the trailer air supply. Thanks. Jim https://www.steelsoldiers.com/showthread.php?170940-See-small-emplacement-excavator-flu-419-manuals-and-a-student-handout

Noob question here. To get 95psi in the front, or large tank, I had to adjust the regulator for the rear tank almost all of the way in. I could find no way to build pressure in it, so I am suspecting a large leak somewhere downstream. What will I lose by not having pressure in the rear tank...