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  1. #1
    Silver Member SABULA FARMER's Avatar
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    Bobcat CT335SST

    Default Bush Hog finish mower.....???

    Ok I bought a used 60" bush hog rear discharge finish mower. I am beside myself. The guy I bought it from was a mechanic and the things I found wrong are bewildering.
    I used the mower at the begining of this year, all was fine. I noticed oil pouring out of the counter shaft seal...dude had the oil filled clean to the top of the gear box...not good. I replaced the seal, all seems good there so far. Now I keep throwing the belt? Why? I adjusted the tension so the belt was tight, but I used it tonight for about 15 minutes and it threw it. Is it a bad belt? Bad pulley? what can cause this? It has to be something simple, I dont see anything wrong or I should say anything obvious.
    Suggestions?
    ...I have all the answers, can you wait a minute while I ask my wife?

    2010 Bobcat CT335, 5' King Kutter Hog, 5' Bush Hog Finish Mower, 14" 2 Bottom Plow, 6' V Discs, 8' Chain Link Harrow, 7' Bush Hog Back Blade

  2. #2
    Veteran Member kebo's Avatar
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    May 2006
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    2,220
    Location
    Lexington, SC
    Tractor
    2001 John Deere 790 4x4, bar tires

    Default Re: Bush Hog finish mower.....???

    Quote Originally Posted by SABULA FARMER View Post
    Ok I bought a used 60" bush hog rear discharge finish mower. I am beside myself. The guy I bought it from was a mechanic and the things I found wrong are bewildering.
    I used the mower at the begining of this year, all was fine. I noticed oil pouring out of the counter shaft seal...dude had the oil filled clean to the top of the gear box...not good. I replaced the seal, all seems good there so far. Now I keep throwing the belt? Why? I adjusted the tension so the belt was tight, but I used it tonight for about 15 minutes and it threw it. Is it a bad belt? Bad pulley? what can cause this? It has to be something simple, I dont see anything wrong or I should say anything obvious.
    Suggestions?

    You want my suggestion..... never let him work on any of your stuff!!!
    Nothing could be finer than riding my JD790 in South Carolina!!

    2001 John Deere 790 4x4 with Model 70 FEL, 5ft International World Agritech bush hog, 5ft Wallberg BB, 5ft Frontier disc harrow, 5ft King Kutter II Rototiller, 5ft Cultipacker, 5ft Sitrex finish mower, Leinbach PHD with 9" & 12" augers, Leinbach middlebuster, Leinbach #11 Field Cultivator, boom pole, custom 3pt handi-hitch, clamp on bucket forks, Pat's Easy Change.

    Nothing runs like a Deere, or smells like a John....

  3. #3
    Elite Member whistlepig's Avatar
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    Jan 2009
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    3,906
    Location
    Preble County, Ohio
    Tractor
    Kubota B7800 with FEL

    Default Re: Bush Hog finish mower.....???

    Quote Originally Posted by SABULA FARMER View Post
    Ok I bought a used 60" bush hog rear discharge finish mower. I am beside myself. The guy I bought it from was a mechanic and the things I found wrong are bewildering.
    I used the mower at the begining of this year, all was fine. I noticed oil pouring out of the counter shaft seal...dude had the oil filled clean to the top of the gear box...not good. I replaced the seal, all seems good there so far. Now I keep throwing the belt? Why? I adjusted the tension so the belt was tight, but I used it tonight for about 15 minutes and it threw it. Is it a bad belt? Bad pulley? what can cause this? It has to be something simple, I dont see anything wrong or I should say anything obvious.
    Suggestions?
    Take the belt off and check to see if all the pulleys spin freely with no roughness. Also pull and push up and down on the pulleys to see if there is any up and down play or side to side in the spindle/pulley bearings. Belt throwing comes from misalignment or a pulley locking up.
    ........Shoot this thang! Have mercy this thang is killin' me. Just shoot up here amongst us. One of us has got to have some relief..............
    jerry clowers-a coon huntin story.

  4. #4
    Silver Member SABULA FARMER's Avatar
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    Pennsylvania
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    Bobcat CT335SST

    Default Re: Bush Hog finish mower.....???

    Quote Originally Posted by whistlepig View Post
    Take the belt off and check to see if all the pulleys spin freely with no roughness. Also pull and push up and down on the pulleys to see if there is any up and down play or side to side in the spindle/pulley bearings. Belt throwing comes from misalignment or a pulley locking up.
    I can only find one pulley (the tensioner pulley) that has some play. I dont think that it is enough to thow a belt though. I did note that the belt was in bad shape after looking at it? I saw ehere the belt was actually thinner in a few spots, and it is cracked pretty good. I hate to spend the money on a new belt just to have this scatter again....
    ...I have all the answers, can you wait a minute while I ask my wife?

    2010 Bobcat CT335, 5' King Kutter Hog, 5' Bush Hog Finish Mower, 14" 2 Bottom Plow, 6' V Discs, 8' Chain Link Harrow, 7' Bush Hog Back Blade

  5. #5
    LD1
    LD1 is online now
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    Central Ohio
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    Kubota l3400

    Default Re: Bush Hog finish mower.....???

    Quote Originally Posted by SABULA FARMER View Post
    Ok I bought a used 60" bush hog rear discharge finish mower. I am beside myself. The guy I bought it from was a mechanic and the things I found wrong are bewildering.
    I used the mower at the begining of this year, all was fine. I noticed oil pouring out of the counter shaft seal...dude had the oil filled clean to the top of the gear box...not good. I replaced the seal, all seems good there so far. Now I keep throwing the belt? Why? I adjusted the tension so the belt was tight, but I used it tonight for about 15 minutes and it threw it. Is it a bad belt? Bad pulley? what can cause this? It has to be something simple, I dont see anything wrong or I should say anything obvious.
    Suggestions?
    IMO, an overfilled gearbox and a belt that wont stay on that you have no idea what is causing is hardly enough to say the guy was a bad mechanic.

    First rule of buying anything used (car, tractor, mower, implement, etc) is to check all fluids. If it were me, I'd have checked the fluid before I even ran it.

    As to the belt not staying on, if there is no/or very little play in the pulleys, chevk to make sure they are all level and not bent or anything. Sometimes an idler pulley bracket can get bent and not be straight or level with the other pulleys. If all that is good, then do the obvious and replace the belt.
    ".........there is only one way to find out."
    "Ok, hold my beer and watch this.........."


    Ford 5500 Backhoe
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  6. #6
    Veteran Member wedge40's Avatar
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    Default Re: Bush Hog finish mower.....???

    I'm thinking if I had something that kept throwing belts, I'd probably sell it.
    Maybe the guy you bought this from thought the same thing.



    Wedge
    1967 Ford 4000, Box blade, straight blade, FEL, Rake, Bushhog, Backhoe, Jinma chipper, KKII tiller, Grapple.

  7. #7
    Silver Member SABULA FARMER's Avatar
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    Pennsylvania
    Tractor
    Bobcat CT335SST

    Default Re: Bush Hog finish mower.....???

    Quote Originally Posted by LD1 View Post
    IMO, an overfilled gearbox and a belt that wont stay on that you have no idea what is causing is hardly enough to say the guy was a bad mechanic.
    ...Ok a guy who knows little about bush hog finish mowers. This problem hasent just surfaced, it was doing it when the previous owner owned it and I am sure he just forgot to tell me.
    This is a reason why I dont like buying used stuff, period.
    ...I have all the answers, can you wait a minute while I ask my wife?

    2010 Bobcat CT335, 5' King Kutter Hog, 5' Bush Hog Finish Mower, 14" 2 Bottom Plow, 6' V Discs, 8' Chain Link Harrow, 7' Bush Hog Back Blade

  8. #8
    Gold Member
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    Jul 2008
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    near Williamsburg ,Virginia
    Tractor
    TC 35 New Holland and 52 Case VAC,LT25 Woodmizer logmill

    Default Re: Bush Hog finish mower.....???

    Replace your belt. Test your mower at idle,no load. Raise your mower deck to highest position at idle and observe pulley and belt function from a safe distance. If you cannot observe your belt and pulley from a saft distance,put a mirrow under your deck and observe. The gremlins will come out and good luck.

  9. #9
    LD1
    LD1 is online now
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    Central Ohio
    Tractor
    Kubota l3400

    Default Re: Bush Hog finish mower.....???

    Quote Originally Posted by SABULA FARMER View Post
    ... This problem hasent just surfaced, it was doing it when the previous owner owned it and I am sure he just forgot to tell me.
    If he didn't tell you anything, how can you be certain that HE was having problems.

    Maybe he wasn't mowing as heavy of grass??
    Maybe he wasnt running a full 540 rpm??
    Maybe he had the belt tension adjusted differently???
    Maybe the belt has deteriorated significantly since he last used it????
    OR..............Maybe he did know and that is why he is selling???????

    TOO many variables. If everything looks and feels Ok, just replace the belt and be done with it.

    I am not too familiar with the mower you are talking about, but my 261 JD 3PH mower threw the belt quite often at the beginning of last year. Never had a bit of problem the year before. The last time it threw, it cut it into so I had no choice but to replace. Checked all the pulleys and everything was good. Threw a belt on last year and havent had a problem since.
    ".........there is only one way to find out."
    "Ok, hold my beer and watch this.........."


    Ford 5500 Backhoe
    Kubota L3400GST W/LA463 FEL
    2005 Dodge 3500 4x4 Diesel
    8N Rebuilt and restored
    Bushhog 306
    3 Homemade wood hauling trailers
    Dolmar 6400 84cc ported
    Sachs-Dolmar 120SI Ported
    (4) Sachs-Dolmar 116SI Ported
    Dolmar PS540
    Sachs-Dolmar 115i
    Sachs-Dolmar 117
    Sachs-Dolmar 112

  10. #10
    Platinum Member
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    WI
    Tractor
    John Deere 2520, X475

    Default Re: Bush Hog finish mower.....???

    My buddies are mechanics, and they don't do any maintenance work to their stuff. they are so sick of doing that stuff at work, so when they come home, they don't want to mess with it anymore. One of them never changes his oil in his ATV, and every year he blows one of them up (brand new machines btw). Its just amazing seeing a mechanic treat things like that. Its no wonder stuff never gets fixed right at most shops.
    JD 2520 --- FEL, I-Match, Frontier RC2460 Rotary Cutter, Pallet Forks, DR Brush Chipper, JD Ballast Box, 71 Flex Planter!

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