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Thread: Cox Lawn Boss belt change

  1. #1
    Member Redeye's Avatar
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    Default Cox Lawn Boss belt change

    gotta change both belts, never done it - anyone have any clues tips? will be doing it tomorrow




    http://curraronggardening.com/

    "All sin is washed away in the Holy goodness of Beer"
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  2. #2
    Senior Member PaulG's Avatar
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    Default Re: Cox Lawn Boss belt change

    Paul - wondering if the Cox factory in Brissy could talk you through it if you don't have any luck?


    Ph 07 3323 2222

    Freecall 1300 857 282

    sales@coxmowers.com.au


    Greasemonkey (from the forum) was a Cox mechanic. Wonder where he is these days...

  3. #3
    Dedicated Member Cranbourne Lawnmowing's Avatar
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    Default Re: Cox Lawn Boss belt change

    love to help redeye but I've never had to do it either.

  4. #4
    Member Redeye's Avatar
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    Default Re: Cox Lawn Boss belt change

    l took the belt off yesterday, was in perfect condition!! and the spare l had was a A58 not a B58 so l put it back on. Made some adjustments to factory settings and it is still bogging down, losing revs in longer grass, belts are squealing, not sure what to do next - the engine was installed a few weeks ago, brand new kohler.

    Starting to think about getting a ztr but need one max 36" cut, would love a gravely compact pro (going by the specs) but they're exxy; the 30" husky/dixon look a bit flimsy for some of my lawns though the size is good for me (only do resi)......anyone used a gravely zoom 34?




    http://curraronggardening.com/

    "All sin is washed away in the Holy goodness of Beer"
    Book of Redeye, Psalm 69

  5. #5
    Senior Member geoff's Avatar
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    Default Re: Cox Lawn Boss belt change

    Redeye my last ride on had similar problems..have you ensured the engine bolts are tight and the motor is is levered forward ( thus tensioning the mower belt ).....iI changed the mower deck belt and still had slippage problems ,replaced the belt pulleys and job done ......sometimes the cutter engagement lever needs adjusting to give full tension on the belt ...as far as the drive belt i did over 1000 hours and still in good knick

  6. #6
    Senior Member DavidS's Avatar
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    Default Re: Cox Lawn Boss belt change

    Redeye,
    Go and get the B58 as the A58 in a narrower profile and will cause the mower to slip and squeal. The B section belt is the correct belt for the mower. How long ago did the belt start slipping, after the new motor or before. When was the last time the drive belt was changed.

  7. #7
    Member Redeye's Avatar
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    Default Re: Cox Lawn Boss belt change

    Its the original belt David, been playing up for the last week, engine went on in August. I'm wondering if, as Geoff suggested, the belt needs more tension, but the revs drop way down which doesn't suggest to me that the belt is slipping

    edit - I only had a spare A58 so l put the B58 back on, it seems to be in excellent condition




    http://curraronggardening.com/

    "All sin is washed away in the Holy goodness of Beer"
    Book of Redeye, Psalm 69

  8. #8
    Senior Member DavidS's Avatar
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    Default Re: Cox Lawn Boss belt change

    Redeye,
    I would go and buy a B58 and see if it makes a difference. The belt might not have any cracks and can look in good condition but if the section of the belt is worn it will let the belt slip more under load. If you don't want to just buy a belt on spec, take the old one in and measure it against the new one, you may need a set of verniers but if the belt has 2mm difference in section it will be the cause of your problem. It lets the belt move deeper into the groove and this in turn let the tension off the belt. You could possibly adjust the tension on the belt depends if the drive pulley housing can be moved to the rear.

  9. #9
    Senior Member DavidS's Avatar
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    Default Re: Cox Lawn Boss belt change

    Paul,
    Check the owners manual, you may need to adjust the motor forward to put more tension on the PTO belt and then you may have to adjust the link on the cutter deck that put more tension on the cutter belt.
    http://coxmowers-px.rtrk.com.au/wp-c...-Lawn-Boss.pdf

  10. #10
    Member Redeye's Avatar
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    Default Re: Cox Lawn Boss belt change

    put a new drive belt on this afternoon, its like a new machine again! thanks for your help David, much appreciated




    http://curraronggardening.com/

    "All sin is washed away in the Holy goodness of Beer"
    Book of Redeye, Psalm 69

  11. #11
    Senior Member DavidS's Avatar
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    Default Re: Cox Lawn Boss belt change

    Glad I could help.

  12. #12
    Member Vic joeymoey's Avatar
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    Default Re: Cox Lawn Boss belt change

    If it starts slipping again and adjustment doesn't work just try some Belt Grip, it's in a spray can available from most engineering places. PS Kevlar belts are also worth the money for future replacement!

    Which Cox do you have?

    I've got two 32" Lawn Bosses.

  13. #13
    Member Redeye's Avatar
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    Default Re: Cox Lawn Boss belt change

    got the same joey, can't get decent belts down here - do you know the belt number (for the kevlar) and any online sellers?




    http://curraronggardening.com/

    "All sin is washed away in the Holy goodness of Beer"
    Book of Redeye, Psalm 69

  14. #14
    Senior Member steveo's Avatar
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    Default Re: Cox Lawn Boss belt change

    I testing out the cox on a patch of grass today that wasn't long or wet. What I noticed is that when mowing downhill or flat everything is sweet, as i turn and head uphill, the mower really slows down to a crawl (almost a stand still) even at full throttle with accelarator fully pressed, this does not seem right to me. When I diesengage the blades it takes off again. Wasn't a big slope either. Does this sound normal?

  15. #15
    Member Vic joeymoey's Avatar
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    Default Re: Cox Lawn Boss belt change

    Quote Originally Posted by steveo View Post
    i testing out the cox on a patch of grass today that wasn't long or wet. What i noticed is that when mowing downhill or flat everything is sweet, as i turn and head uphill, the mower really slows down to a crawl (almost a stand still) even at full throttle with accelarator fully pressed, this does not seem right to me. When i diesengage the blades it takes off again. Wasn't a big slope either. Does this sound normal?


    you need to tension the belts, try putting belt grip on as well

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