Piper184

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  • in reply to: Jinma 254 General Questions #47257
    Piper184
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      My 2007 (built in 2006) has the creeper (or crawler) hi/lo that yours does not. That may be a difference between the models or it may have been an option that was not built into your tractor. Not all farm tractors have transfer or hi/lo speed selectors. Some do, some don’t. My 284 has 12 forward and 4 reverse speeds using the two transfer cases in various combinations. However you have the “shuttle shift” and I don’t. For doing loader work it is a great benefit because you can flip back and forth without shifting the transmission. I wish my 284 had that feature when moving snow.

      As for shifting gears. Most tractors with manual transmissions don’t have a synchronous gear set, so you don’t up-shift on the move. You come to a compete stop before shifting to avoid grinding the gears.

      Decompression levers are nice to have but not a complete necessity. Do you have the two or three cylinder engine?

      in reply to: JW03 Backhoe no circulation of hydraulic fluid #47241
      Piper184
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        Just a few ideas of where to start.

        How is the filter in the tank?

        If you take the suction hose off at the pump will oil flow out of the hose?

        If you take the pressure hose off at the pump, will oil flow out on it’s own? How about with the engine running and the PTO engaged?

        Are you sure the tang on the pump is connecting with the slot in the tractor?

        Have you checked the shaft in the tractor to make sure it is turning with the PTO engaged and the engine running?

        Also, with the PTO engaged and the engine turned off, you should not be able to turn the end of the shaft that engages the tang on the pump. If you can, something in the tractor is broke.

        in reply to: Disc brakes on Jinma 284 #47196
        Piper184
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          Nope, already checked that. No fluid came out.

          The feel on the pedal is more like the pressure plates are not rotating smoothly. I suspect rust or other corrosion on the plates or balls. Another possibility is a broken pressure plate spring.

          I won’t know until I get it apart.

           

          in reply to: jinma 254 injector pump problem #47192
          Piper184
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            Diesel getting into the governor portion of the injector pump does not necessarily mean the injector pump is bad.

            When this happened to me I determined that the fuel was coming from the lift pump actuator pin seal. I replaced the seal and it only lasted a few hours. I removed the lift pump and made a cover plate for the hole. There was an electric pulse pump sitting on my shelf so I plumbed that in and connected it to the fuse block on a circuit that is hot only with the key on.

            Works fine and there has been no fuel in the governor section since then. $40 for a lift pump vs. $500+ for an injection pump.

            in reply to: Disc brakes on Jinma 284 #47186
            Piper184
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              I don’t see any options for PM on this site.

              stuart [at] harnerfarm [dot] net

              in reply to: Disc brakes on Jinma 284 #47184
              Piper184
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                Ah Ha!

                This is pretty much what I had pictured in my mind based on the parts book drawings. This helps clear it up.

                Based on the feel at the pedals I suspect there is rust/corrosion in the area where the balls contact the plates. Possibly a broken spring or two.

                I am guessing there is no lube on any of the pivot points or the balls/ramps. I am guessing that some kind of lube would be a good idea for sliding metal parts.

                What do you think would be best, a light coat of wheel bearing grease or a white grease like lubriplate?

                Did you have to take the whole housing off to get these out or will they come out the end plate?

                Thanks!

                in reply to: Disc brakes on Jinma 284 #47181
                Piper184
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                  without knowing how you are posting replies, I can’t give you detailed instructions.

                  However, if you are using a PC and logging on to the web site, then you will be typing a reply in a box near the bottom of the page that this thread is on.  Below the box will be the emoji’s, a box to check if you want to be Notified of replies via email and a warning about Maximum file size allowed is 1000 KB.

                  Below that is

                  Attachments:

                  And a Browse button.

                  You click on the browse button then you navigate the files of your computer to find the picture you want to attach and click on that. It will take a minute or two to upload, then your picture will appear on the forum with your message once you click the Submit button.

                  You have to be sure that your photo is less than 1 MB in size. There are many ways to reduce the size of a photo depending on what operating system you have and what software you may have on your PC.

                  Hope this helps.

                  in reply to: Disc brakes on Jinma 284 #47179
                  Piper184
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                    According to my manual there were drum brakes like you describe but the ones on my tractor are disc brakes. A different configuration. I have never seen anything quite like this before and have only the images in the manual to go by. I won’t know for sure about the expander ball part of it until I get it apart. Drum brakes I understand, disc brakes on vehicles I understand, these, not so much….

                    in reply to: Jinma 184 Hydraulic Leak #47124
                    Piper184
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                      If it is spitting fluid out until it gets low about the only thing it could be is introduction of air into the fluid. This would indicate a suction side leak where it is sucking air into the pump. Once the fluid gets back to the tank the pressure drop causes the air to bubble out and that causes foaming which pushes out of the vent tube.

                      You could try putting a clear hose on the vent tube and run it up along the roll bar so that you can see the fluid. If the tank is simply over full the fluid will be solid but if it is foaming you will see bubbles in the hose.

                      What indicator are you using for the fill level? On my 284 there is a dipstick in the filler plug (which also contains the vent tube). The dipstick has a grove in it to indicate the fill line. Your 184 may be different. Do you fill the tank with the 3-poing and loader lowered to the ground? If not, it my overflow the tank when you do.

                       

                      in reply to: Jinma 354 three point hitch arms do not respond #47091
                      Piper184
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                        Oh, one more thought.

                        It could be that the loader control valve is dumping all the output from the pump back into the tank and there is not enough pressure to actuate the hitch.

                        Does the power steering still work? There probably is a priority valve that makes sure steering actuates before other hydraulics.

                        Here is a trick I use to get the hydraulic fluid flowing faster in the winter.

                        Raise the loader all the way up, then with one hand hold the 3 point lever in the raise position while lowering the loader with the other hand. On my 284 this seems to help force fluid into the hitch when it is cold. Don’t know if this will help your system or not, but it certainly won’t hurt to try and might give you some clues as to where the problem is.

                      Viewing 10 posts - 231 through 240 (of 309 total)