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  1. #1
    Silver Member boomer632's Avatar
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    2011 LS R4041EZ - 2014 Bad Boy CZT Elite - 1948 Ford 8N

    Default R4041 Loader Issue LB4101

    Ok.. the tractor has 180 hours on it and noticed what I think may be a problem with the loader or hydraulics. While using loader to push snow piles today I noticed the following:

    When I rolled the bucket all the way do dump snow I noticed that there was about a second and a half delay just prior to the bucket cylinders extending out all the way to full dump. When I rolled the bucket.. at just prior to the cylinders being fully extended... at about 95% roll when bucket lip was facing down... the bucket would actually swing back and fourth about 2 inches before the cylinders finally built pressure to push the remainiing 2 inches or so to full extension. It appears that there is no pressure in the cylinders during the time the bucket swings back and fourth. All of this happens when the bucket lip is about headlight level attempting a full roll to dump. Has anybody else noticed this on their loader? Might be worth a look. Im going to make a video tomorrow and show the dealer and see what he says.
    2011 LS R4041EZ - 1948 Ford 8N - 2014 Bad Boy CZT Elite

  2. #2
    Gold Member mangus580's Avatar
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    Western, NY
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    Bolens (Iseki) H1502; LS R3039

    Default Re: R4041 Loader Issue LB4101

    I noticed this with my 3039 the other day. Oddly, I dont think it did it when I first got it. I noticed it after I was doing some back scraping in the 'frozen' cow stall. It almost made me wonder if I put some tension on one of the linkages, causing it to now bind a little when it is dumping.

    Makes me feel a little better to have someone else have a similar issue!

    I will have to experiment with mine to see if it only does it at one height or another.

  3. #3
    Gold Member
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    Jan 2012
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    Brookshire TEXAS
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    LS R4047

    Default Re: R4041 Loader Issue LB4101

    Mine also does this when almost fully dumped. at first I thought it was air in the cylinders, but now im not sure if its the linkage or ????
    2012 LS R4047 , FEL , Backhoe, kingkutter finish mower,68 " rachet rake, Titan skidsteer 72" root Grapple, JD 145,JD166 ........Dodge 3500 cummins, Kenworth w900l Cat powered ...

  4. #4
    Member
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    Feb 2013
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    26
    Location
    Forest City Pa.
    Tractor
    LS,Kioti,Branson Dealer

    Default Re: R4041 Loader Issue LB4101

    Not to be concerened,that happens to many loaders and backhoes too. What is happening is when you move the loader control to dump the cly.oil being pumped to what we will call A port is pushing the piston out or extending the cly. The B port of the cyl is returnig oil to the valve then to tank. Two things are happening. one the load of the bucket pulls the ram out faster than you are really controling,the B port of the cly now works as a pump pushing oil to tank with no restriction. The second thing is that the A port oil is NOT entering the cyl.as fast as the B port is pushing. This cause the void you see as the swinging bucket,then the oil catches up to finish its stroke. Most of the time by increaseing the engine RPM will prevent this This allows the pump to delever max flow of oil. Also continue to hold the lever to allow the oil to fill the void. If though you notice drifting of the cyl or the load drops then that could be a packing or loose piston. And as Bladehauler had said play in the linkage will also show some back and forth movment.

  5. #5
    Gold Member
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    Brookshire TEXAS
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    LS R4047

    Default Re: R4041 Loader Issue LB4101

    Thank you for the detailed explanation Hansen equipment.
    My last name is also Hansen , so that means I get a discount right?
    2012 LS R4047 , FEL , Backhoe, kingkutter finish mower,68 " rachet rake, Titan skidsteer 72" root Grapple, JD 145,JD166 ........Dodge 3500 cummins, Kenworth w900l Cat powered ...

  6. #6
    Super Member Gary Fowler's Avatar
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    Bismarck Arkansas
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    2009 Kubota RTV 900, 2009 Kubota B26 TLB & 2010 model LS P7010

    Default Re: R4041 Loader Issue LB4101

    My P 7010 does this also and is quite a delay when engine is idling, so I don't think there is a problem with linkage just oil flow as Hansen Equipment explained.
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 2013 Ferris Zero Turn, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp Miller AC/DC welding machine and all the tools needed to keep them all repaired and running.

  7. #7
    Silver Member boomer632's Avatar
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    2011 LS R4041EZ - 2014 Bad Boy CZT Elite - 1948 Ford 8N

    Default

    I had mine running at about 2000 rpm when I noticed it happen. I did notice that the rods did move back and fourth when the bucket did. I thought there would always be pressure in the cylinders in one direction or the other which would prevent the bucket from swaying. Thanks for the info. I'll post dealer response when I get video to him.
    Last edited by boomer632; 03-07-2013 at 06:59 PM.
    2011 LS R4041EZ - 1948 Ford 8N - 2014 Bad Boy CZT Elite

  8. #8
    Veteran Member TSO's Avatar
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    SouthEast Michigan
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    Massey 1648 HST Cab

    Default

    Interesting. Haven't noticed this yet, but then I've only logged a few hours on it.

    My Kioti never did that, and of the 220 hrs I put on it last year, at least 175 of those were during loader work.

    Granted that was a HST and my RPM's were up... But... Seems like a design flaw somehow, as it doesn't seem right to me.

    I've also noticed that moving the bucket in "dual function", as in lifting AND curling at the same time, is temperamental. Seems like it can lift AND curl and lower AND drop... But those are touchy. I don't think I've been able to make it lower AND curl or lift AND drop as a dual function

    Sent from my Motorola Photon using TractorByNet for Android
    Massey 1648 Cab - Hustler Z Diesel 66" ZT mower
    2007 F-450 Crew - 20' PJ Equipment Trailer
    QA 6ft bucket * 5ft Custom Grapple Bucket * QA Forks * 8ft Rhino Back Blade
    7ft Rhino Box Blade * 7ft LandPride Rake * 6.5ft KK HD Box Disc * Middle buster plow
    WorkSaver SG-26 Stump Grinder * Wallenstein BX42s Chipper * 8ft Ford Brush-Mower
    7.5ft Western QA snow plow (still under construction)

    315 hrs @ 10/13/04

  9. #9
    Gold Member mangus580's Avatar
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    Bolens (Iseki) H1502; LS R3039

    Default Re: R4041 Loader Issue LB4101

    Quote Originally Posted by TSO View Post
    I've also noticed that moving the bucket in "dual function", as in lifting AND curling at the same time, is temperamental. Seems like it can lift AND curl and lower AND drop... But those are touchy. I don't think I've been able to make it lower AND curl or lift AND drop as a dual function
    Yeah, its a major letdown when you attempt it. I am still holding out hope that as the valve 'breaks in' it might get a little better.

  10. #10
    Veteran Member TSO's Avatar
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    Massey 1648 HST Cab

    Default

    Quote Originally Posted by mangus580 View Post

    Yeah, its a major letdown when you attempt it. I am still holding out hope that as the valve 'breaks in' it might get a little better.
    Shoot... I was hoping I was the only one experiencing that and that it would work itself out. Sounds like a design issue, might even be as simple as the joystick, but I doubt it

    Sent from my Motorola Photon using TractorByNet for Android
    Massey 1648 Cab - Hustler Z Diesel 66" ZT mower
    2007 F-450 Crew - 20' PJ Equipment Trailer
    QA 6ft bucket * 5ft Custom Grapple Bucket * QA Forks * 8ft Rhino Back Blade
    7ft Rhino Box Blade * 7ft LandPride Rake * 6.5ft KK HD Box Disc * Middle buster plow
    WorkSaver SG-26 Stump Grinder * Wallenstein BX42s Chipper * 8ft Ford Brush-Mower
    7.5ft Western QA snow plow (still under construction)

    315 hrs @ 10/13/04

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