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  1. #1
    Bronze Member GRI's Avatar
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    in the woods NYS
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    Kubota L185DT

    Default tc40a power steering fluid help

    I searched and couldnt find my answer. I wanted to change my steering fluid and got the flud I needed thanks to you guys on here. I pulled the covers off and I read on here that there is a filter for the steering. I couldnt find one. I was also looking for a drain plug and couldnt find that either. I found what I thought was the fill plug on the top front of the steering box. am I missing something?
    Ford NH TC40a with loader, brush hog, backblade and forks

  2. #2
    Epic Contributor Soundguy's Avatar
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    Mar 2002
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    Central florida
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    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: tc40a power steering fluid help

    1 4 322357 BELLEVILLE WASHER M6,
    2 4 322358 BELLEVILLE WASHER M8,
    3 2 9804255 BOLT Hex Flg, M6 x 16, 8.8,
    5 1 SBA360101470 FILTER ASSY Tank & Filter Assy Includes: Ref. 5A
    5A 1 NSS NOT SERVICED SEPARATELY Seal, Not Illustrated
    6 1 SBA025100008 WASHER M8
    7 1 SBA398430520 DIPSTICK
    8 1 SBA340621060 PLATE
    9 2 86050272 BOLT Hex Flg, M6 x 12, 8.8,
    10 1 86402790 HYD. TUBE Tank
    11 1 87300300 HYD. TUBE Pressure
    12 1 87300304 HYD. TUBE Left
    13 1 87300302 HYD. TUBE Right
    14 3 9824259 WASHER M6 x 12 x 1.6,
    15 2 353308 NUT M6 x 1, Cl 8,
    16 2 120056 BOLT Hex, M6 x 50, 8.8,
    17 4 86400111 CLAMP Halves
    18 1 86567730 BRACKET
    19 1 86400352 CLAMP Hose
    20 4 86400354 CLAMP Hose
    21 1 86400360 HYDRAULIC HOSE 15.88 mm ID x 70.00 mm, SAE J30R7,
    22 1 86400974 FUEL HOSE 7.94 mm ID x 1700.00 mm, SAE J30 R7, Power Steering, Cut to Length 460mm or 18.110"
    23 3 86511841 BOLT Hex Flg, M8 x 16, 8.8,
    24 1 86540861 HOSE HST Elbow
    25 1 86558456 BRACKET
    26 1 86567750 PLATE Line Cover
    27 1 86567826 TUBE
    Attached Thumbnails Attached Thumbnails -psa-gif  

  3. #3
    Bronze Member GRI's Avatar
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    Kubota L185DT

    Default Re: tc40a power steering fluid help

    wow, i cant believe i missed that. lol. thanks for the print.

    I decided to do a fluid replacement because it has 1200hrs and probably has never been done and it has been a little noisy when steering.

    so can I drain the fluid by cracking one of the hoses?
    Ford NH TC40a with loader, brush hog, backblade and forks

  4. #4
    Epic Contributor Soundguy's Avatar
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    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: tc40a power steering fluid help

    i don't have a manual for that model.. that PS diagram i just lifted from the NH website.

    RickB is likely WAY more familiar with that model than I am... last 'new' NH tractor I have is from 2000

    soundguy

  5. #5
    Super Star Member dave1949's Avatar
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    Industry, Maine
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    New Holland TC40

    Default Re: tc40a power steering fluid help

    I think #23 in Soundguy's diagram is the drain plug. I changed my filter and fluid but I didn't try to get all the old fluid out of the lines. IIRC that filter should have been replaced at 600 hours.
    Dave.
    "Those were the days my friend, we thought they'd never end ..."
    When there is a huge solar energy spill, it is called a "nice day"!

  6. #6
    Epic Contributor
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    jinman's Avatar
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    Texas - Wise County - Sunset
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    NHTC45D, NH LB75B, Ford Jubilee

    Default Re: tc40a power steering fluid help

    Soundguy gave you the details of the part. The reservoir is the filter and it unscrews from the base after draining the fluid as Dave noted. However, it's going to be a messy job even after draining, so have plenty of paper towels/rags handy if you decide to change the filter instead of just the fluid. The filter/reservoir is around $85 I believe. I admit that I've never changed mine and I don't think that is uncommon. Although I would not recommend that others follow my lead on this, I plan to change out the filter around 2000 hours.
    Jim


  7. #7
    Bronze Member GRI's Avatar
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    Kubota L185DT

    Default Re: tc40a power steering fluid help

    thank you everyone. I will let you know how i make out
    Ford NH TC40a with loader, brush hog, backblade and forks

  8. #8
    Bronze Member GRI's Avatar
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    Default Re: tc40a power steering fluid help

    I figured out why I didnt see the filter. there isnt any. the hard lines go from the cylinder to the steering box and from the pump to the steering box. no filter. I have a picture hold on.

    Ford NH TC40a with loader, brush hog, backblade and forks

  9. #9
    Epic Contributor
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    jinman's Avatar
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    Default Re: tc40a power steering fluid help

    You are gonna say, "DOH!"

    Look at the photo below. The white arrows start on the left at the PS pump. That pipe comes out of the PS pump and goes to the left and up. Just behind your air filter it goes into the PS reservoir/filter. That is the supply line to your hydraulic pump. The hard lines you are seeing come from the steering column motor and go to the PS cylinder, but the supply to your pump comes from the reservoir that is just to the left of where you shot this photo. The top of it is about the same level as the engine oil filler cap.
    Attached Thumbnails Attached Thumbnails -psfilter-jpg  
    Jim


  10. #10
    Bronze Member GRI's Avatar
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    Kubota L185DT

    Default Re: tc40a power steering fluid help

    i am guessing someone before me removed it? in the picture below i see two holes next to the air filter assy. i am guessing thats where it should be? so how do i drain my system now? how do I get it to the correct level?



    is anyones steering noisy when they turn the wheel? I can still steer with a finger but it is a bit noisy
    Ford NH TC40a with loader, brush hog, backblade and forks

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