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  1. Re: Advice on potential purchase (Nortrack 3500B)

    Reportedly has 40 hours on it.
  2. Re: Advice on potential purchase (Nortrack 3500B)

    Interesting. How many hours on it? Why are they selling it?
  3. Replies
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    Re: Nortrac dozer steering problem

    What that tells me is that the steering clutches are releasing (maybe not enough) and that the brake isn't applying enough. This is also symptomatic of oily brake lining. Did you remove the...
  4. Replies
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    1,036

    3-Point Hitch Re: Jinma 3 point hitch problem

    I should have mentioned this before, but many hydraulic valves will have two return lines to the reservoir (neither of which are pressurized) - a return line from the cylinders and pump flow-through...
  5. Re: I am completely out of ideas with jinma 454 fuel system, fuel in oil and high rpm

    We will never hear from him again. I think the white smoke was a red herring, or imagined.
  6. Replies
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    3,024

    Re: Nortrac dozer steering problem

    Confusing me with that statement. To paraphrase: Made recommended adjustments - no change. Returned adjustments to previous settings and now the left side works but the right side doesn't.
    So now...
  7. Replies
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    1,036

    3-Point Hitch Re: Jinma 3 point hitch problem

    I'm not familiar with your tractor, but you mention high pressure and low pressure hydraulics. Do you mean that your tractor has two different pressure systems? That's a new one on me (except for...
  8. Re: I am completely out of ideas with jinma 454 fuel system, fuel in oil and high rpm

    And the white smoke went away too?
  9. Re: I am completely out of ideas with jinma 454 fuel system, fuel in oil and high rpm

    A blown seal in the hydraulic pump will fill the engine crankcase up in short order. This is usually caused from deadheading the pump, which is usually caused by a defective pressure relief valve not...
  10. Replies
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    3-Point Hitch Re: Jinma 3 point hitch problem

    Is there a draft control?
  11. Re: I am completely out of ideas with jinma 454 fuel system, fuel in oil and high rpm

    How is your hydraulic oil level? Do you have a loader attachment?
    Here is a cross sectional view of a typical inline fuel injection pump.
    474493
  12. Replies
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    Re: Nortrac dozer steering problem

    Fwiw, Cat D3 parts, owners, and service manuals will run you about $400. Well written and codified, they assume you know nothing.
    As an aside, while you are under the machine you should remove the...
  13. Replies
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    3,024

    Re: Nortrac dozer steering problem

    There are adjustment bolts on the backside of the compartment and as well underneath. If I remember correctly, you run them all in until snug, doing the ones in back first, then back off one turn and...
  14. Re: I am completely out of ideas with jinma 454 fuel system, fuel in oil and high rpm

    The pump camshaft seal has nothing to do with fuel. It just keeps the oil in the fuel injection pump/governor assembly. Did you check the fuel injection pump dipstick, or is your pump oiled from the...
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    Re: Nortrac dozer steering problem

    1234567890
  16. Replies
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    582

    Re: Blowing fuses (still)

    You must remove the nuts on the copper studs, and the nut on the small screw. These have wires attached on the inside. There may also be an O-ring under the phenolic cap.
  17. Replies
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    3,024

    Re: Nortrac dozer steering problem

    What seems to be an inherent problem with these dozers is the design of the sequential linkage for the steering clutch/brake. For the existing system to operate correctly the brake adjustment must be...
  18. Replies
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    582

    Re: Blowing fuses (still)

    The only parts in the solenoid that are "repairable" are the copper contacts and copper washer which can be flipped. The solenoid motor (steel slug) must be clean, dry, and free from all dust and...
  19. Re: farm pro 2524 rewiring project and brake issue

    This is the best penetrant that I know of. My bulldozer has a brake cross shaft like yours and it keeps it free. I give it a few shots when it begins to stiffen up.
    Google Deal
  20. Re: farm pro 2524 rewiring project and brake issue

    I think you really need to soak that shaft with penetrating oil so that radial spring can do it's job. Whoever sent you that linear spring sent you the wrong one.
  21. Replies
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    Re: Removing glow plugs on YD485 4 cylinder

    It's very simple and straightforward, plus they come with generic instructions. You will have to add some new heavier gauge wire and a couple of in-line fuses or circuit breakers.
  22. Re: farm pro 2524 rewiring project and brake issue

    Not familiar at all with your tractor, but those are two completely different types of springs. The one in your hand is a linear retraction spring and would fit to the brake pedal arm in the returned...
  23. Replies
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    767

    Re: Removing glow plugs on YD485 4 cylinder

    I used this in the glow plug circuit, and also in the starter/solenoid circuit.

    Amazon.com: E Support™ Car Truck Motor Heavy Duty 12V 4A SPST Relay Socket Plug 4Pin 4 Wire Waterproof Seal:...
  24. Replies
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    Re: Hey fluid question on kinks 354

    They obviously must have otherwise you would see a mix of ISO AW46 and 80w-90 gear oil.
    Glad to know that you are qualified to state "a manufacturing defect".

    Here's a little light reading for...
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    Loader Re: New loader valve for Jinma 284

    My valve is mounted in my dozer/loader. The installation is totally different and not applicable in your case.

    This might be more of what you're looking for: Jinma Loader Valve
  26. Replies
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    926

    Re: Hey fluid question on kinks 354

    Manufacturing defect. Uh huh. Did the oil you were using have an AGMA rating?
  27. Replies
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    601

    Loader Re: New loader valve for Jinma 284

    I bought my Brand loader valve at Surplus Center. The big plus is the regen feature. Fittings on the tractor are metric. You will have to get some adapters from Tommy or Ronald.
    ...
  28. Replies
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    Re: Where's the older users

    How old is old?
  29. Replies
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    Oil & Fuel Re: it's pouring oil, please help

    I totally agree. Pump seal failures like that almost always are caused by deadheading, which is almost always due to defective quick-connect couplers for the loader attachment. We may never know the...
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    Re: Field Boss 254

    The one lever, I believe, is marked "ENG" (engage) and "DIE" (disengage).
  31. Replies
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    Oil & Fuel Re: it's pouring oil, please help

    I'm sure that's just what he wanted to hear, DICK!
  32. Thread: UTF vs 80W90

    by Bob Rooks
    Replies
    23
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    2,724

    Re: UTF vs 80W90

    If you want to just flush it out, fill the transmission with a 60% AW46 hydraulic oil and 40% diesel fuel mix, block the tractor wheels off the ground, and run through the gears for three to five...
  33. Thread: UTF vs 80W90

    by Bob Rooks
    Replies
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    2,724

    Re: UTF vs 80W90

    The GL spec is an API rating that, among other things, indicates the corrosiveness to yellow metals. And so far as I know, neither UTF or UDT have an AGMA rating, however, Caterpillar Torque Fluid...
  34. Replies
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    Oil & Fuel Re: it's pouring oil, please help

    Damage to the hose exterior would be obvious. There are two wire braids in that type of high pressure hose. It's remotely possible that there could be a leak where the hose end is crimped to the hose.
  35. Replies
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    Oil & Fuel Re: it's pouring oil, please help

    Also, I recommend a linked V-belt. I have them on my equipment. They are impervious to oil and they will last you a lifetime, plus, in your situation you don't have to split the pump to...
  36. Replies
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    Oil & Fuel Re: it's pouring oil, please help

    Thanks for that. It's either a hose, hose adapter, or the pump seal. Are the hose and adaptor connections tight? From the year of the tractor I wouldn't suspect at hose first. There are O-rings in...
  37. Replies
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    Oil & Fuel Re: it's pouring oil, please help

    Welcome to TBN.
    Okay, back to basics. You have three pulleys on the front of your engine. Coolant pump/fan, alternator, and down low is the crankshaft with the harmonic balancer on it. So, do you...
  38. Thread: UTF vs 80W90

    by Bob Rooks
    Replies
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    2,724

    Re: UTF vs 80W90

    All well and good, but the discussion doesn't include your aforementioned machines.
  39. Thread: UTF vs 80W90

    by Bob Rooks
    Replies
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    2,724

    Re: UTF vs 80W90

    If you want a knowledgeable answer instead of wives tales and guesswork, I would contact your local petroleum distributor. After all, it is your investment we're talking about.
  40. Thread: UTF vs 80W90

    by Bob Rooks
    Replies
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    Views
    2,724

    Re: UTF vs 80W90

    I performed a viscosity comparison awhile back for some other folks. Is this relevant?
    Viscosity Comparisons - YouTube
  41. Thread: UTF vs 80W90

    by Bob Rooks
    Replies
    23
    Views
    2,724

    Re: UTF vs 80W90

    Hahahaha! Not hardly. Caterpillar still uses gear oil, for one.
  42. Thread: UTF vs 80W90

    by Bob Rooks
    Replies
    23
    Views
    2,724

    Re: UTF vs 80W90

    Don't ask me I'm only an engineer, but I would say ask those manufacturers if their oils can be used in applications where only gear oils are specified.
  43. Thread: UTF vs 80W90

    by Bob Rooks
    Replies
    23
    Views
    2,724

    Re: UTF vs 80W90

    And Robert Heinlein is science fiction.
  44. Thread: UTF vs 80W90

    by Bob Rooks
    Replies
    23
    Views
    2,724

    Re: UTF vs 80W90

    There are highly educated and experienced people that make entire careers in the lubrication industry. You can second guess them if you want to, but I trust their knowledge. If the manufacturer...
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    Re: Turbocharging a Jinma 254 Build (Y385)

    How's it going? Thought I'd give this thread a bump to try and keep it alive. Still using the tractor?
  46. Re: Advice on potential purchase (Nortrack 3500B)

    Another good resource for you:
    Chinese Tractor Maintenance/Dozer - Wikibooks, open books for an open world
  47. Re: Advice on potential purchase (Nortrack 3500B)

    In the manual it shows brake and clutch adjustments for each side. I made a tool for making those adjustments with the floorboards removed. I think it's the only way I think it can be done. The tool...
  48. Thread: UTF vs 80W90

    by Bob Rooks
    Replies
    23
    Views
    2,724

    Re: UTF vs 80W90

    Do so at your own risk. UTF isn't formulated to replace 80w-90 gear oil. It does not have an AGMA rating.
    471477
  49. Re: Advice on potential purchase (Nortrack 3500B)

    You may not have to pull it down that far if the problem is in the final drive. For now you don't have to block the dozer. Let me know when you're ready to start.
  50. Replies
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    883

    Re: Steering issues

    Ok, then I'm out of answers.
  51. Re: Advice on potential purchase (Nortrack 3500B)

    If you have the T-handle joystick control, just push the handle forward until you feel resistance (this is a detent in the valve), then push some more until it stops. This allows oil to flow in both...
  52. Replies
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    Re: Steering issues

    Sounds to me like you broke a tie rod and a drag link. Look underneath the tractor and see if you see anything dangling down.
  53. Re: Advice on potential purchase (Nortrack 3500B)

    Ok, pushing the left pedal should NOT allow the machine to come to a stop, that is unless somehow both brake pedals are being pushed (occasionally this will happen with the right side because of the...
  54. Re: Advice on potential purchase (Nortrack 3500B)

    Easy test to see if your right track is getting power, just depress your left brake pedal. the right track should keep going and turn left.
  55. Re: Advice on potential purchase (Nortrack 3500B)

    With only one track getting power it will veer to the opposite side. This is essentially what happens when you release the steering clutch on one side. That is the intended purpose of the steering...
  56. Re: Advice on potential purchase (Nortrack 3500B)

    If your pedals hang from the sides of the dashboard, you have pendulum pedals. If the pedal arms go through the floorboards, you do not have pendulum pedals.
    It sounds like your left clutch isn't...
  57. Replies
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    Re: Farm Pro 2420 Engine Problems

    Yes, I think the kerosene had everything to do with it. Please re-read my previous post. For lack of lubrication, the barrel and plunger assemblies seized, not allowing the camshaft to turn, and...
  58. Replies
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    Re: New Farmpro problem

    Not familiar with your particular machine, but I have used a light film of silicone grease on tight boots.
  59. Replies
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    6,566

    Re: Farm Pro 2420 Problem

    Is this the same parts supplier that told you to adjust your valves to 14mm and 16mm? Not a wise thing to do for a LOT of reasons. While diesel engines are not rocket science, they still run and last...
  60. Replies
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    Re: New Farmpro problem

    Have you checked on a new part?
  61. Replies
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    Re: Farm Pro 2420 Problem

    Thanks. Appreciate the followup.
  62. Replies
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    Re: New Farmpro problem

    Does that tang fit in a recess?
  63. Replies
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    6,566

    Re: Farm Pro 2420 Problem

    I'm sure people would like to know if replacing the fuel injector corrected your acceleration issue. How does the engine run now?
  64. Re: Task Master 425A Alternator/Fan Belt replacement

    These belts are used throughout the industries, and are far superior to OEM belts . Applications are almost limitless. Google Fenner Drive Belts. They come in all configurations.
  65. Re: Task Master 425A Alternator/Fan Belt replacement

    I would just get a linked belt from Harbor Freight and forget about it. They last forever.
  66. Replies
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    Backhoe Re: Jinma 254 Backhoe Questions

    I'm away from home right now but I can send you a manual for a LW-6, which is very similar to a JW03, when I return. There are two different sized fittings used, and if I remember correctly, they are...
  67. Replies
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    6,566

    Re: Farm Pro 2420 Problem

    Well, .40mm = .016", and .35mm = .014" (I'd go with that). Whereas 14mm = .55", and 16mm = .62" (.625 is 5/8", a wee much). I think Circle G is confused, and meant "fourteen thousandths and sixteen...
  68. Replies
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    Re: Farm Pro 2420 Problem

    Intake is .35mm, exhaust is .40mm. Curious if the dribbling injector solves the acceleration issue. I thought you had an owner's manual.
  69. Replies
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    1,183

    Re: my norTrac battery

    The OEM Chinese battery in my dozer only lasted ten years. No complaints there.
  70. Re: jinma rhino question(ABOUT TO PUSH IT OFF A CLIFF)

    Excellent. Glad to hear you blissfully made it. I would still like to know what a breather tank is, please.
    .
  71. Replies
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    Re: Farm Pro 2420 Problem

    There should be a tag on the starter with possibly a QDxxx number. The dealer may stock the solenoids separately, but I doubt they would stock solenoid components.
  72. Replies
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    6,566

    Re: Farm Pro 2420 Problem

    What many people have done, with much success, is to add a relay in the solenoid starting circuit. Where the current flows from the key switch to the relay instead of the solenoid (you can feed the...
  73. Re: jinma rhino question(ABOUT TO PUSH IT OFF A CLIFF)

    Familiarize yourself with timing the pump first before you even consider changing that $3.00 gasket, because there is a lot involved if you even hiccup during replacement.

    468464
  74. Re: jinma rhino question(ABOUT TO PUSH IT OFF A CLIFF)

    What is leaking from the injection pump? Fuel? Injection pump oil? Engine oil?
  75. Thread: ty395i

    by Bob Rooks
    Replies
    11
    Views
    2,022

    Re: ty395i

    In effect, he reversed the suction and discharge ports. The direction of rotation remains the same.
  76. Replies
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    Re: Farm Pro 2420 Problem

    What I do with videos is simply upload them to YouTube and then copy and paste the link. Like this
    EMD 16-71�G - YouTube

    As far as the rack is concerned, short of taking the pump and governor to...
  77. Replies
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    Re: Farm Pro 2420 Problem

    In post #4 I suggested that could be an issue with the EGR valve. Does your engine look like it has two temperature senders? The EGR valve however, does not control engine speed, but it can impair...
  78. Thread: ty395i

    by Bob Rooks
    Replies
    11
    Views
    2,022

    Re: ty395i

    I don't think you can change the rotation of the pump unless you change the rotation of the engine.
  79. Replies
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    Re: Farm Pro 2420 Problem

    No. Low compression on one cylinder would not keep the engine from accelerating.
  80. Replies
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    Re: Farm Pro 2420 Problem

    White smoke that dissipates quickly means several things: Cold combustion chamber, coolant in combustion chamber, water in fuel. White smoke that lingers in the air is unburned fuel, and is usually...
  81. Replies
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    Re: Farm Pro 2420 Problem

    The lift pump and priming plunger share the same check valves. If the priming plunger works, then the lift pump will work too. Did you pull the banjo bolt and check the little nylon screen? You...
  82. Replies
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    Re: Farm Pro 2420 Problem

    This pic shows the fuel flow path, the exception being the return to the lift pump. Your return goes back to the tank, either directly or via the injector leak-off lines.

    467205
  83. Replies
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    Re: Farm Pro 2420 Problem

    The plumbing is correct. Flow is from the tank (sediment bowl) to the lift pump, to the secondary fuel filter, to the injection pump, and then return line to the tank (they all do it that way). Some...
  84. Replies
    41
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    Re: Farm Pro 2420 Problem

    What year is it? Now it sounds like an EGR issue since it seems temperature related, relating to EPA emission requirements. Barring that, it could be a sticking rack/barrel-plunger assembly.
  85. Replies
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    6,566

    Re: Farm Pro 2420 Problem

    Sounds like the governor might need some oil.
  86. Replies
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    1,279

    Re: spool valve question

    WHY DON'T YOU JUST CALL THEM? :confused: That was my point.
  87. Re: Advice on potential purchase (Nortrack 3500B)

    1234567890
  88. Re: Advice on potential purchase (Nortrack 3500B)

    Well, you don't really have to drive the dozer up a ramp. You can just raise and block the blade up so you can scoot under the front. The grease fitting is just about directly underneath the center...
  89. Re: Advice on potential purchase (Nortrack 3500B)

    1234567890
  90. Replies
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    1,279

    Re: spool valve question

    All I had to do was copy your text and put it in a Google search and voila:
    Dukes Directional Control Valves | Products | QCC
  91. Re: Advice on potential purchase (Nortrack 3500B)

    1234567890
  92. Re: Advice on potential purchase (Nortrack 3500B)

    Yes, that's the stock filter arrangement. It requires a round filter that has a closed metal top attached to it. This will have to be checked daily under extremely dusty conditions or where you are...
  93. Re: Advice on potential purchase (Nortrack 3500B)

    1234567890
  94. Replies
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    2,018

    Re: Farm Pro 2420 Engine Problems

    You need a new smarter friend.
    Check the oil in the fuel injection pump. If it smells like kerosene, change it.
    The lubricity of kerosene is just about zero. The barrel and plungers in the fuel...
  95. Re: Advice on potential purchase (Nortrack 3500B)

    Remember that this isn't a Cat. Many niceties like grease fitting points, smooth hydraulics, etc. are reflected in the low price.
  96. Re: Advice on potential purchase (Nortrack 3500B)

    1234567890
  97. Re: Advice on potential purchase (Nortrack 3500B)

    1234567890
  98. Re: Advice on potential purchase (Nortrack 3500B)

    1234567890
  99. Re: Advice on potential purchase (Nortrack 3500B)

    I investigated that machine. It is a 2006 and has 130 hours on it. It would be an exceptional value IMHO.
  100. Re: Self importing ~ 75hp - need help on brand...

    According to the info I have it's the latest Canadian EPA regulations. There could be more recent amendments though. You are in Canada, eh? The exemption they granted for the 18 HP tractor may not be...
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