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  1. #11
    Epic Contributor Bird's Avatar
    Join Date
    Mar 2000
    Posts
    36,983
    Location
    Texas

    Default Re: Exhaust Pipe Rain Cap

    Quote Originally Posted by RoyJackson View Post
    I never had one on a compact tractor, but I would think you'd never hear the flapper if you kept the RPM up about a thousand.
    The old deere compacts (670, 770 and 790) exhausts had some kind of rain trap. Not sure how it worked...read about it in the service manual, IIRC.
    That's true, Roy. If you keep the RPM up, you won't hear it, but I don't remember how high it had to be. It's not just a rattle from closing and hitting the exhaust pipe. The hinge has enough play in it, I assume to be sure it always falls closed when you shut down, so that hinge rattles a bit.
    Bird

  2. #12
    Super Member
    Join Date
    Feb 2006
    Posts
    7,689
    Location
    VA
    Tractor
    JD2010, Kubota3450,2550, Mahindra 7520 w FEL w Skid Steer QC w/Tilt Tatch, & BH, BX1500

    Default Re: Exhaust Pipe Rain Cap

    The bent, slant cut pipe has been effective on all my tractors. In an accumulated 40yrs on the ones that sit outside we have not the slightest indication of a problem. One of them tho aims straight forward. When its trailered it gets capped.
    larry
    This side of 40
    JD2010, Kubota L3450/FEL w SK QC, L2550 w FEL
    Mahindra 7520 [Pinky] /FEL w Skid Steer QC/w Tilt Tatch & BH, BX1500 [Mighty Mouse]
    IH37 Baler, CCM165 Drum Mower, JD Rake
    JD 127 bushog, Flail, SK Tilt Tatch , KK tiller, Rhino rear blade, Post driver, post auger, chipper, pallet fork, Grapple/Loader Buddy, Homemade Splitter/DC Welder

  3. #13
    Platinum Member herringchoker's Avatar
    Join Date
    Oct 2004
    Posts
    607
    Location
    New Brunswick, Canada
    Tractor
    Kubota B7800, Case 450

    Default Re: Exhaust Pipe Rain Cap

    I had the opposite experience with the bent and cut pipe on my 450 Case. I always put a can over it, but one time my son was using it and forgot to put the can back on. The dozer sat for about a month at the woodlot before I went to use it again, after a couple of driving rainstorms. First thing I noticed was no can on the stack. I cranked it briefly and no go (it usually fires right off). I checked the dipstick - oil level was UP. (I had just spent over $3000 on a motor job.) I drained the oil - quite a lot of clear water came out first - and changed the oil filter. I then said a prayer and cranked her over. It took a bit of spinning and some crud came out the stack before it started to fire, one cylinder at a time, and it finally smoothed out. How do you spell relief? I immediately installed a straight stack with a rain cap.
    It's been close to 10 years since that happened and the little crawler still fires right up and works great. I think I dodged a bullet on that one.
    Kubota B7800, LA402 FEL, Homemade cab, 60" bushcutter, 74" rear snowblower.
    Kubota RTV500.
    Case 450 c/w 6-way dozer.

  4. #14
    Super Member
    Join Date
    Feb 2006
    Posts
    7,689
    Location
    VA
    Tractor
    JD2010, Kubota3450,2550, Mahindra 7520 w FEL w Skid Steer QC w/Tilt Tatch, & BH, BX1500

    Default Re: Exhaust Pipe Rain Cap

    Quote Originally Posted by herringchoker View Post
    I had the opposite experience with the bent and cut pipe on my 450 Case.
    No doubt unfavorable circumstances can add up; amt of time idle, # and intensity of storms&orientation to storm winds, grade angle, exhaust design, etc. Glad you were able to "extract the bullet"!
    larry
    This side of 40
    JD2010, Kubota L3450/FEL w SK QC, L2550 w FEL
    Mahindra 7520 [Pinky] /FEL w Skid Steer QC/w Tilt Tatch & BH, BX1500 [Mighty Mouse]
    IH37 Baler, CCM165 Drum Mower, JD Rake
    JD 127 bushog, Flail, SK Tilt Tatch , KK tiller, Rhino rear blade, Post driver, post auger, chipper, pallet fork, Grapple/Loader Buddy, Homemade Splitter/DC Welder

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