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  1. Replies
    4
    Views
    266

    Re: busted hydrological pipe

    There shouldn't be a problem with removing the filter. As long as there is oil in the pump it should be able to pull oil thru from the sump, provided there are NO air leaks in the suction pipe and...
  2. Replies
    4
    Views
    266

    Re: busted hydrological pipe

    IF the system is drawing clear fluid from the reservoir without any air, the system should self purge just by cycling all the hydraulic functions. Any air in the system will be forced back to the...
  3. Replies
    12
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    582

    Re: Jinma 204 (TY290) temp issues

    DO you have an ohm meter? The resistance from the single terminal on the sensor to ground should vary with the coolant temperature. Unfortunately I have not seen a temp-resistance chart for the...
  4. Thread: battery

    by RonMar
    Replies
    6
    Views
    1,400

    Re: battery

    It is probably a group 27 battery(My Jinma 284 is...). As mentioned, look for one with the highest CCA, but you will probably find them all pretty similar.
  5. Replies
    5
    Views
    625

    Re: ? Re: decompression lever & starting

    I use it on every start, warm or cold, no starter issues, and still using the 2005 chinese battery that came with the tractor... It's bigest advantage IMO is that it allows oil pressure to build in...
  6. Replies
    9
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    971

    Re: 3pt hitch drops too fast? 2004/2425

    You are correct, clockwise screws the tip down into the body and makes the return flow more restrictive.

    Does your tractor have a female quick connect fitting on the right side pointing to the...
  7. Replies
    5
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    625

    Re: ? Re: decompression lever & starting

    +1, easier on the starter and bearings...
  8. Replies
    9
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    971

    Re: 3pt hitch drops too fast? 2004/2425

    On mine that setscrew dosn't lock the valve in place. It is in a recessed area in the shaft. I think it is there to keep you from unscrewing the knob too far and getting a hydraulic oil enema:)
    ...
  9. Replies
    11
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    2,014

    3-Point Hitch Re: Farm Pro (Jinma) 2425 hitch will not stay up

    Well if it still stays up with a load on it when the speed reg valve is screwed closed, the piston/cylinder and seals are not at fault. The control valve is obviously leaking by either past the...
  10. Replies
    14
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    935

    Re: Steering problem with my Farm Pro 2425

    I have a pressure gauge on my main line where it enters the loader valve. It shows overall system pressure and I have seen pressures around 500 PSI when loading the steering system...
  11. Replies
    4
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    362

    Re: foton 254 hydrolic filter

    It is possible that it may siphon/drain all the oil out of the sump. But there is not all that much oil in the system. Put a clean 5 gallon bucket under the filter and just let it drain, then dump...
  12. Replies
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    697

    Oil & Fuel Re: Jinma 284 and Mityvac Oil Evacuation

    Or replace the drain bolt with a banjo bolt and plumb a line from the banjo up alongside the dipstick where you can have easy access to connect the vac pump... Many marine applications do it this...
  13. Oil & Fuel Re: jimna 284 tractor ran out of fuel how do I bleed the fuel lines

    1. Find the primer pump and unscrew/unstow it.
    2. Take a 10MM wrench and loosen the nut on top of the fuel filter. This is an air bleed point.
    3. Pump the primer pump untill only fuel comes out of...
  14. Re: Leak from 2004 Jinma 284 OE loader joy stick box

    Tommy at Affordable tractor supply probably has the sealing washers you seek...
  15. Replies
    11
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    2,014

    3-Point Hitch Re: Farm Pro (Jinma) 2425 hitch will not stay up

    Yep, that is the relief valve. The relief pressure is set by the combination of spring and stacked washers, so at the very least, it you should re-assemble it with the original washers in place. ...
  16. Replies
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    443

    Re: PTO Speed selector-Farm Pro 2425

    Good diagrams on Johns Jinma Website, like this one.

    http://www.johnsjinma.com/files/DriveGear3.jpg

    I am guessing that you are going to have to remove the 3PH lift box/hydraulic reservoir to...
  17. Replies
    11
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    1,335

    Re: Jinma 284 Fuse Box Layout

    Here is a link to the Jinma schematic Erj mentioned.

    If it does turn out to be the ignition switch, I think you would be more than satisfied with the ford switch. What the failure to start...
  18. Re: Jinma 224 electrical problems....voltage regulator?

    Proper voltage is 14.5V +/- 0.5V. What I should ahve mentioned before is the problem with overvoltage is that it cooks off the water in the battery. What can happen is once the electrolyte level...
  19. Re: Jinma 224 electrical problems....voltage regulator?

    Well the amp gauge only tells you how much current is going to/from the battery. It sounds like the alternator may be overcharging. Do you have access to a volt meter to see exactly what the...
  20. Replies
    14
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    1,345

    Re: farm pro 2425 3 pt hitch wont lift, leaking...

    Yep, that is too fine for suction service. That is the type filter you put on the return line to fine filter the fluid right before it returns to the reservoir... That is what these tractors should...
  21. Replies
    14
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    1,345

    Re: farm pro 2425 3 pt hitch wont lift, leaking...

    Well if yours has the spin-on hydraulic strainer, it wouldn't need the one in the sump would it:) The filter on a hydraulic pump suction side must have very low restriction. They usually have a...
  22. Replies
    11
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    2,014

    3-Point Hitch Re: Farm Pro (Jinma) 2425 hitch will not stay up

    The stop rod dosn't have anything to do with lowering, it simply kicks the control lever back to neutral. On older tractors, if it was misadjusted the 3PH could lift too far and damage the seals on...
  23. Replies
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    2,014

    3-Point Hitch Re: Farm Pro (Jinma) 2425 hitch will not stay up

    If it stays up with the speed reg valve closed all the way, the problem is not the rings in the piston, it is the control valve. The fluid from the pump goes into the control valve and then on into...
  24. Replies
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    1,208

    Re: Hydraulic fluid venting - Jinma 284

    It shouldn't take much, you should be able to apply enough with a rubber nozzled air gun tip squirted against the vent hole in the filler cap. I don't think you can apply too much pressure that...
  25. Replies
    13
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    1,208

    Re: Hydraulic fluid venting - Jinma 284

    ATF IS hydraulic fluid... It might be a little thin for this application though. You might be leaking air into the suction side piping that is helping create the foam. On mine, there was a pipe...
  26. Replies
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    1,208

    Re: Hydraulic fluid venting - Jinma 284

    Yea, that is probably it. IF you leave it alone, it will pretty quickly find it's happy place:)
  27. Replies
    13
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    1,208

    Re: Hydraulic fluid venting - Jinma 284

    OK, that's weird... I havn't seen one like that before. All the ones I have seen have a screw-in vented plug right where that pipe assembly is bolted to the top of the case. Part of the screw-in...
  28. Replies
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    935

    Re: Steering problem with my Farm Pro 2425

    Yep, what Tommy said. Pull a cylinder line and put it in a bucket and see if you get any flow while turning the steering wheel...
  29. Replies
    13
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    1,208

    Re: Hydraulic fluid venting - Jinma 284

    Do you have a picture of this tube? On all the jinma's I have seen, the hydraulic vent was on the screw-in filler plug/dipstick, not a separate pipe to the left of the filler port. Your description...
  30. Replies
    20
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    1,191

    Re: Jinma 284 - 3 pt lift not working

    Check the autoparts stores, Napa and Autozone carry it, as do the farm supply stores typically...
  31. Replies
    20
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    1,191

    Re: Jinma 284 - 3 pt lift not working

    Denny, I am assuming #303 is a type of Universal Tractor Fluid or UTF? The system operating better when it warms up is a clue that the hydraulic fluid is too thick. UTF is too thick for this type...
  32. Replies
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    1,191

    Re: Jinma 284 - 3 pt lift not working

    If it is falling all by itself without you shifting the handle to the lower position, most likley it is the piston seals in the lift cylinder.
  33. Replies
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    1,191

    Re: Jinma 284 - 3 pt lift not working

    Like spiker said, make sure that valve down in front of the seat is not screwed down all the way. It has a round handle like a garden hose faucett. The setscrew he mentioned only needs to be...
  34. Replies
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    1,810

    Re: Foton 250a Run Away Engine/Crankcase filling

    My oldest brother was on the Klamath in Viet Nam...
  35. Replies
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    1,810

    Re: Foton 250a Run Away Engine/Crankcase filling

    Bob
    Yep, that was one type. The one I recall was only 2 tubes, one for the sample, and one for the control, came in a long wooden box.
    EDIT: OK, here is the model I was used to, made by...
  36. Replies
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    545

    Oil & Fuel Re: Ty 290 only runs full rpm

    You should be able to pull the rear section to expose the linkages, the next section, the round part, is where the governor flyweights rotate, and the forward section is where the actual injector...
  37. Replies
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    1,810

    Re: Foton 250a Run Away Engine/Crankcase filling

    How do you detect fuel dilution in the oil? With a lube oil dilution test of course:) It is a temperature compensated falling ball viscosity test comparing a hot sample from the crankcase with a...
  38. Replies
    7
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    545

    Oil & Fuel Re: Ty 290 only runs full rpm

    Yep, governor is in the rear side of the Injector Pump housing. Kerosene is usually good for flushing. I use air compressor oil in my IP oil sump... Gunk in the sump might interfere with...
  39. Replies
    7
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    545

    Oil & Fuel Re: Ty 290 only runs full rpm

    Sounds like a stuck governor cup. The IP drive rotates the pump and also spins the governor assembly. The governor consists of a spinning spoke assembly that rotates ball bearings which act as...
  40. Replies
    21
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    1,810

    Re: Foton 250a Run Away Engine/Crankcase filling

    Yep, "growing" engine oil is a problem. IF your hydraulic pump is mounted to the engine case, a blown shaft seal on the pump could force hydraulic fluid into the crankcase. This fills the case till...
  41. Replies
    21
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    1,463

    Re: Jinma 284 Steering Question

    +1, the lines shouldn't drain too much when disconnected. Also the cylinder is full of fluid which will come out when you push/pull on the rod end so have a bucket under the ports to push the fluid...
  42. Replies
    21
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    1,463

    Re: Jinma 284 Steering Question

    With that last information, I agree that the cylinder piston seal bypassing is the most likley. From your earlier descriptions I got the impresion it was working but hard to turn the wheel... Yes a...
  43. Replies
    21
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    1,463

    Re: Jinma 284 Steering Question

    +1, my 284 is fingertip steering. Are you sure it is the cylinder? If it were the piston seal in the cylinder, it would still steer with 1 finger... It would just take more turns of the wheel to...
  44. Replies
    39
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    2,755

    Re: Jinma 284 new owner have some questions

    Yea, OK, I guess technically that is a clutch... Wasn't what I was envisioning wen you were refering to a clutch...
  45. Replies
    39
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    2,755

    Re: Jinma 284 new owner have some questions

    Can you take a pic of this clutch? Never heard of one in a starter...
  46. Replies
    39
    Views
    2,755

    Re: Jinma 284 new owner have some questions

    There is no clutch in the starter... The solenoid(smaller tube attached to the starter) is an electromagnet. When power from the key is applied, it does two things. It closes a high current...
  47. Replies
    10
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    882

    Re: jinma 224 steering problems

    You should be able to get a mechanics stethescope at a local auto parts store or Harbor Freight tools for a few bucks. Once you get one, you will find you have all kinds of uses for it... I use...
  48. Replies
    23
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    1,418

    Re: Brake Drain Plug

    The brake compartment should be dry. I am guessing the drain is to let out water? There is a seal inboard of the brake housing, and if that failed, you would see some oil leakage into the brake...
  49. Replies
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    882

    Re: jinma 224 steering problems

    Tdog Where is the hydraulic cylinder for the steering located? SO when you turn it to the left fine, do you have trouble getting it back to center, or do you have trouble going to the right from...
  50. Re: New Jinma 284 Owner with Hydraulic Pump Pressure Question

    The return port and the filter and hose assembly is pretty straight forward. Drilling and tapping the new vent port farther forward on the reservoir top is a little more involved:)
  51. Re: New Jinma 284 Owner with Hydraulic Pump Pressure Question

    You could put a 10 micron return line filter into that line that runs from the diverter and steering down the LEFT side of the tractor and into the side of the reservoir. There is a steady flow down...
  52. Re: New Jinma 284 Owner with Hydraulic Pump Pressure Question

    When you say new filter, did yours have a spin-on cartridge on the suction line? IF so, that was a strainer cartridge(#100 mesh/150 micron). If you replaced it, you need to make sure it was with a...
  53. Re: New Jinma 284 Owner with Hydraulic Pump Pressure Question

    Like Bob says, as long as they are high pressure rated piping, they should be fine. The only reason to have QC's at the loader is if you plan on regularly removing your loader. IF not, straight...
  54. Re: New Jinma 284 Owner with Hydraulic Pump Pressure Question

    I also wouldn't throw too much hydraulic tech time/money at it. A stock replacement pump is between $179-$189 depending on the engine you have($230 for a higher output upgrade pump) on Affordables...
  55. Re: New Jinma 284 Owner with Hydraulic Pump Pressure Question

    Mark
    On the way the Jinma 284 is typically configured, the FEL only has an inlet and an outlet line/port, so the FEL relief vents excess pressure caused by the load on the loader into the outlet...
  56. Re: New Jinma 284 Owner with Hydraulic Pump Pressure Question

    Yep, as long as you are sure you fixed the suction side leak, it sounds like a pump issue, as you were using 2 different relief valves there. When you load/deadhead the loader, the loader relief...
  57. Replies
    39
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    2,755

    Re: Jinma 284 new owner have some questions

    Yep, mine runs a 5' just fine. Watch your temps and keep the radiator clean. I made a mesh cover out of window screen that keeps the crap out of the radiator and makes clearing the debris out in...
  58. Replies
    39
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    2,755

    Re: Jinma 284 new owner have some questions

    Yep, that is the vent hole on the hydraulic fill port, and at least one of those holes needs to remain open otherwise it might cause issues with feeding fluid to the pump. You might have been a...
  59. Replies
    5
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    1,181

    Re: Three point hitch dead-heading?

    There should also be a hydraulic safety relief on the 3PH control valve body. Not familliar with the 354's valve specifically, but there is probably a screw in plug on the valve body, most likley...
  60. Replies
    17
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    1,616

    Buying Advice Re: Chinese backhoe manufacturer

    It had a single plate on each side of the swivel on both the upper and lower pivots causing both pins to wear unevenly and be loose. I added another plate on both the top and bottom pivots and made 2...
  61. Replies
    17
    Views
    1,616

    Buying Advice Re: Chinese backhoe manufacturer

    I did a lot of modifications to my BH to get it the way it should have been. I don't feel too bad about this as I received a screaming deal on it, and I enjoy a good engineering project every now...
  62. Replies
    17
    Views
    1,616

    Buying Advice Re: Chinese backhoe manufacturer

    Got any pics? The LW-6 can have a few suttle differences, and all are not created equally. Knowing what I know now, I would either want to lay eyes on the one I was purchasing, or get good current...
  63. Re: Well my China made Battery finally starting to fail. 2002 to 2014!

    It is not so much chemestry as the physical properties of the charge/discharge process and the forces associated with a vehicle. The lead plates flake and these conductive flakes fall to the bottom...
  64. Replies
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    2,210

    Price Check Re: Who sells Chinese crate tractors?

    Why 35HP? I have a Jinma 254/284 and it does what you describe and a whole lot more quite easilly. I run a 5' brushhog behind it quite nicely. I have 7.5 acres, mostly hill, and mow a lot of brush...
  65. Replies
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    1,849

    Re: Jinma Chipper Feed Roller Connection Problems

    Got it... Mine came with the ujoint shaft... I wasn't aware there was another driveshaft in use...
  66. Replies
    22
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    1,849

    Re: Jinma Chipper Feed Roller Connection Problems

    Option 1 would probably work OK, providing that socket extension will fit properly thru the bearing inner race. If it didn't workout, you always have option 2 to fall back on. I find it unusual...
  67. Re: Well my China made Battery finally starting to fail. 2002 to 2014!

    My tractor was delivered end of June 2005(9 years next month) and the orig battery is still working great...
  68. Replies
    5
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    827

    Re: Foton. 254 front end loader

    What Tommy describes is the usual way it is done on the chinese tractors with the loader connected between pump and diverter. But I notice you have a quick connect in the line comming out of the...
  69. Replies
    5
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    827

    Re: Foton. 254 front end loader

    Rich
    If you follow the lines out of your pump, is there a "quick connect" fitting in that line? Not specifically familliar with your Foton 254, but many of the chinese tractors have a quick...
  70. Replies
    14
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    1,345

    Re: farm pro 2425 3 pt hitch wont lift, leaking...

    You say the system has the external spin on "filter" and you replaced that? What did you replace it with?

    The banjo fitting that is leaking, what is that pipe connected to, or is that the input...
  71. Replies
    14
    Views
    1,345

    Re: farm pro 2425 3 pt hitch wont lift, leaking...

    IS there a lowering speed regulator valve on the tractor? It looks like a round/flat water faucet type knob down in front of the seat. IF this is screwed in too far, it could be restricting flow...
  72. Replies
    23
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    2,495

    Oil & Fuel Re: Jinma 254 Won't Start After Oil Change

    Compression release is a good thing to have. Diesel starters have a lot of torque. If somehow you get water down the exhaust or oil into the intake to foul a cylinder, an engine can develop enough...
  73. Replies
    23
    Views
    2,495

    Oil & Fuel Re: Jinma 254 Won't Start After Oil Change

    It depends on how the vent is plummed. On my Jinma 284, the vent is connected to the oil fill cap, so forcing oil into the intake manifold while filling is not possible this way... A vent plummed...
  74. Replies
    23
    Views
    2,495

    Oil & Fuel Re: Jinma 254 Won't Start After Oil Change

    Your engine may have the compression release hardware on it, it just dosn't have the linkage connected to somewhere usefull like a handle:). If you do you will have an assembly bolted to the back of...
  75. Thread: General

    by RonMar
    Replies
    3
    Views
    447

    Re: General

    John's jinma website has been a great resource...
    johnstractor
  76. Replies
    10
    Views
    1,507

    Re: Shenniu Tractor Problems

    Ouch! The PTO shaft runs all the way thru the middle of the transmission. Do you have big tools and a flat smooth garage floor? At the least, you will have to split the tractor in two and...
  77. Re: First Tractor, Farm pro 2425/Jinma254 wont start

    How cold is it where you are at? How is the crank speed? A little cold and a little slow speed could be hindering your bleed and start efforts...
  78. Replies
    39
    Views
    2,755

    Re: Jinma 284 new owner have some questions

    The current to heat the plug is maintained into the start position so it continues to apply heat while cranking. If the H position in the switch went bad, the way you are doing it would work to...
  79. Replies
    39
    Views
    2,755

    Re: Jinma 284 new owner have some questions

    Welcom Bryan
    1. Since it starts well when warm, I would look to the glowplug function. You should be able to see if the glowplugs are heating by looking at the amp gauge. When you turn the key...
  80. Replies
    4
    Views
    720

    Re: Farm Pro Tractor 2425

    IF it runs in second and third, it sounds like the pin that holds the first-second shift fork on the sliding shift rod may have let go... Rod is moving but the shift fork that moves the slider gear...
  81. Replies
    11
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    1,068

    Re: Jinma 254 Hard starting

    I put in a 1KW exactly the same way. Warms the head and block nicely and makes cold starts clean and quick...
  82. Replies
    11
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    1,068

    Re: Jinma 254 Hard starting

    Good question, what color is the smoke? What position are you holding the throttle lever at when starting? I find my most consistent starts with the throttle held at the position that yields about...
  83. Re: Farmpro 2425 (jinma 254) Rubber washers. Is there a better solution

    Do you have a single female hydraulic quick connect fitting on the right side of the 3PH box? IF so, that makes it easy. Those were put on many of the Jinma's to power a single acting cylinder on a...
  84. Re: Farmpro 2425 (jinma 254) Rubber washers. Is there a better solution

    I use copper for banjo fittings also. IF you are handy, you can cut your own from thin copper sheet with a sharp pair of scissors... An appropriate sized greenlee punch is real handy to cut a clean...
  85. Replies
    12
    Views
    883

    Re: Clutch or throttle issue?

    Might be an engine issue. Dosn't sound like a clutch as if it were, the speed would increase but the RPM would not. It may be that you are seeing high hours wear provided the engine wasn't overly...
  86. Replies
    6
    Views
    642

    Re: New member with Jinma 284

    Connection for the RPM gauge? What year are we talking about here? DO you have individual gauges or a single gauge cluster unit? The RPM on mine is derived from a sensor screwed into the left side...
  87. Replies
    20
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    2,358

    Re: Where to start with the starter?

    These things also come lubed with "yak-fat" grease from the factory(very sticky). It could be that that inadvertent extended run moved some of that crap where it dosn't belong, causing your...
  88. Replies
    4
    Views
    602

    Re: Hydraulic Fluid Level

    4" might be a little low, but not by much. Underfilled might give some erratic operation as Greg mentioned. Overfilling may cause it to burp a little fluid out of the vent, but won't hurt anything....
  89. Replies
    31
    Views
    2,415

    Re: jinma 354 wont start, dead....

    You could also replace the key with a couple of heavy duty toggle switches. These things are so easy to hotwire, a key is very little protection. A hidden cutout switch would give me way more peace...
  90. Replies
    13
    Views
    1,228

    Re: LOADER REMOVAL/CLUTCH ADJUSTMENT

    A ratchet strap tie-down also works great for holding the clutch pedal fully depressed...
  91. Replies
    13
    Views
    1,228

    Re: LOADER REMOVAL/CLUTCH ADJUSTMENT

    What mark said, great resource, Johns Jinma website...

    When you say the PTO wants to grind when you try and engage it, how long are you waiting from when you push the pedal all the way in till...
  92. Replies
    10
    Views
    968

    Re: How to price for sale?

    Total new prices for same items, devalue for wear and tear and possible remaining life, then take a step back and give the package a long hard look and ask yourself: IF I was looking for something...
  93. Replies
    7
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    815

    3-Point Hitch Re: Jinma 254 3-point first time setup

    I think that is exactly what that chain is for, to hold the two arms together when not using the impliment. That with the side arms tensioned tight will hold the arms from swinging back and forth. ...
  94. Thread: FLUIDS DUMP

    by RonMar
    Replies
    4
    Views
    355

    Re: FLUIDS DUMP

    And when Rich says Tighten ALL bolts, he means ALL the bolts:)
  95. Replies
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    629

    3-Point Hitch Re: Jimna 284 3-point -- tried everything...

    I have only ever seen it refered to as a diverter valve...

    Valve FLD-6

    FLD-6
    ...
  96. Replies
    7
    Views
    629

    3-Point Hitch Re: Jimna 284 3-point -- tried everything...

    I would agree, with the speed reg valve in front of the seat removed, fluid should gush up out of it's hole when you try to lift the 3PH using the control valve. Here is a silly question, is fluid...
  97. Re: jinma 254 - complete rewiring and other questions

    The main power on that drawing flows from the battery via the starter thru wire 2 to the top 30A main fuse. Then it passes on to the amp gauge via wire 3. From the other side of the amp gauge it is...
  98. Re: jinma 254 - complete rewiring and other questions

    The tach will be the hardest to overcome. Tinytach is probably the easiest option if you don't want to go the factory route. All other gauges are common automotive. +1 on the aftermarket fuse...
  99. Replies
    16
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    3,203

    Re: Backhoe frame mount for Jinma 254

    Yes it is a coldwater FEL.
  100. Thread: Jinma model 284

    by RonMar
    Replies
    16
    Views
    1,040

    Re: Jinma model 284

    check the metal pipe that runs between reservoir and pump. On mine there is a pipe union right on top of the reservoir. If that loosens a little, it will suck a lot of air instead of fluid...
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