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  1. #11
    Elite Member rekees4300's Avatar
    Join Date
    Feb 2010
    Posts
    3,194
    Location
    Indiana
    Tractor
    JD 4300, JD X500

    Default Re: 2001 John Deere 4300 HST tractor extensive repairs and refurbishment

    Holy cow, almost looks like it was submerged in pond muck!

  2. #12
    Gold Member
    Join Date
    Mar 2011
    Posts
    278
    Location
    Pontotoc Ms
    Tractor
    jd 4610

    Default Re: 2001 John Deere 4300 HST tractor extensive repairs and refurbishment

    Sure does make mine look good

  3. #13
    Elite Member dfkrug's Avatar
    Join Date
    Feb 2004
    Posts
    4,662
    Location
    NorCal
    Tractor
    05 Kioti CK30HST w/ Prairie Dog backhoe

    Default Re: 2001 John Deere 4300 HST tractor extensive repairs and refurbishment

    It would not surprise me at all if a lot of 10 yo tractors have
    never had these areas opened up. Maybe it's just as dirty as this
    rental tractor?

    This is also true for the engine (pix). I wanted to examine the air
    intake hoses for wear, and also set the valve lash. Readers of my last
    4300 project will recall that failure of the intake hose is what destroyed
    that engine. This is the hose that is between the filter housing and
    the intake manifold. A fuel overflow drain hose was pinched between
    the air intake hose and the fuel tank, causing wear to the hose and
    eventual failure. That drain hose is missing here...great news. The
    intake hose looks OK. Some wear, but not too much (arrow).
    Attached Thumbnails Attached Thumbnails -engine_1-jpg   -engine_2-jpg  

  4. #14
    Gold Member TraderMark's Avatar
    Join Date
    Feb 2001
    Posts
    367
    Location
    Southeast Georgia
    Tractor
    Ford 1720

    Default Re: 2001 John Deere 4300 HST tractor extensive repairs and refurbishment

    Very interesting!
    I'll be watching this progress too!

    Mark
    1720 Ford 4x4 w/ 7108 FEL
    Case 1845 Uni-Loader NO it's NOT a "C"
    190C John Deere
    Various implements, some store bought, some home made.

  5. #15
    Elite Member dfkrug's Avatar
    Join Date
    Feb 2004
    Posts
    4,662
    Location
    NorCal
    Tractor
    05 Kioti CK30HST w/ Prairie Dog backhoe

    Default Re: 2001 John Deere 4300 HST tractor extensive repairs and refurbishment

    Here I have opened the valve cover and performed the valve
    adjustment. What is amazing is that this may be the first
    valve adjustment done on this engine in its 2020 hrs of life. Of
    the 6 valves, 3 were in-spec, and the other 3 were off only
    2-3 thousandths, both loose and tight. This shows that you can
    get away with infrequent valve adjustment. Still not advised.

    The valve adjustment was easy: I just turned the crank with a wrench
    until I was sure each valve was closed, then used my feeler guages.
    Here is another write-up on adjusting the valves (by ARRABIL):
    http://www.tractorbynet.com/forums/j...djustment.html

    By far the hardest part of the adjustment was cleaning the area over
    the injectors before I opened the valve cover. Normally, I clean
    everything I can before opening anything sensitive, but getting to this
    area was very difficult. Once I had the muffler off, I had some access,
    but I no longer wanted to use water because of the open manifolds. I
    used picks and air to chisel away an inch or so of buildup on the intake side
    of the head. When I got it to where I dared to open the valve cover,
    I still got a few pieces of dirt on the valve train. I very carefully cleaned
    all that before rotating the engine.

    This is how most of us would have to adjust the valves. The previous
    4300 benefited tremendously from having the engine out and meticulously
    clean.
    Attached Thumbnails Attached Thumbnails -engine_3-jpg   -engine_4-jpg  

  6. #16
    Elite Member dfkrug's Avatar
    Join Date
    Feb 2004
    Posts
    4,662
    Location
    NorCal
    Tractor
    05 Kioti CK30HST w/ Prairie Dog backhoe

    Default Re: 2001 John Deere 4300 HST tractor extensive repairs and refurbishment

    OK, now I'll get to the gearbox repairs. I'll start a new thread and link it here.
    http://www.tractorbynet.com/forums/s...55#post2891755

    I have cleaned up the 3-point cylinder housing, in prep to lift it off
    the main gearbox.
    Attached Thumbnails Attached Thumbnails -after_clng-jpg  
    Last edited by dfkrug; 06-14-2012 at 03:46 PM.

  7. #17
    Elite Member dfkrug's Avatar
    Join Date
    Feb 2004
    Posts
    4,662
    Location
    NorCal
    Tractor
    05 Kioti CK30HST w/ Prairie Dog backhoe

    Default Re: 2001 John Deere 4300 HST tractor extensive repairs and refurbishment

    OK, now that the transmission is buttoned up, I can give some more
    attention to electrical issues.

    I replaced the front and rear lights, which will be shown in the final pix. I also
    spent a lot of time cleaning the dirt out of several connectors and relays. Some
    had become intermittant. You can see the cleaned up relay panel in the
    first photo.

    The turn signal/hazard flasher unit had become totally non-functional. The
    connectors are clearly corroded, but the internals are dead. Instead of
    buying a new flasher unit from JD ($$$), I substituted a common Wagner
    flasher so I could have working hazard lights, but no turn signals. I have
    no use for turn signals anyway. (If I drive on the public road, I use the
    hazards, not the turn signals.)

    For the last tractor, I picked up a new Wagner flasher at Kragens Auto, but
    for this one, I found some spares: one from Napa, one from an older Ford,
    and one a generic. To wire this up, I tied the green wires together, and the
    orange power wire went to the other terminal. Since these use a bi-metal
    strips, they only flash when they see current from both bulbs. There is
    no polarity for these Wagner units. Works great!
    Attached Thumbnails Attached Thumbnails -turn_sig-jpg   -turn_sig_2-jpg   -turn_sig_3-jpg  

  8. #18
    Elite Member dfkrug's Avatar
    Join Date
    Feb 2004
    Posts
    4,662
    Location
    NorCal
    Tractor
    05 Kioti CK30HST w/ Prairie Dog backhoe

    Default Re: 2001 John Deere 4300 HST tractor extensive repairs and refurbishment

    I knew this tractor had a bad front tire and wheel. The rental yard
    had resorted to a tube because the tire was leaky and the rim leaked.

    So I dismounted the tire, and peeled the tube out. It was cemented
    to the wheel with rust. The bead area was also very rusty. I thought
    I had a 'before' shot, but I can't find it. Anyway, I spent nearly an
    hour with a wire wheel and sand paper, then painted it up.

    After installing a new valve stem, I mounted a good used tire I had.
    I used Slime for a lubricant and sealant for the beads. I have had
    good experience with this product with past difficult tires.
    Attached Thumbnails Attached Thumbnails -wheel_1-jpg   -wheel_2-jpg   -wheel_3-jpg  

  9. #19
    Elite Member dfkrug's Avatar
    Join Date
    Feb 2004
    Posts
    4,662
    Location
    NorCal
    Tractor
    05 Kioti CK30HST w/ Prairie Dog backhoe

    Default Re: 2001 John Deere 4300 HST tractor extensive repairs and refurbishment

    Next the front end loader. It was in sorry shape:

    Repairing a damaged and loose 420 loader on a JD 4300 tractor

  10. #20
    Elite Member dfkrug's Avatar
    Join Date
    Feb 2004
    Posts
    4,662
    Location
    NorCal
    Tractor
    05 Kioti CK30HST w/ Prairie Dog backhoe

    Default Re: 2001 John Deere 4300 HST tractor extensive repairs and refurbishment

    Repairs to the body panels are shown here:
    repairing & replacing body panels and fuel door on my JD 4300

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