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  1. #41
    Bronze Member chris85's Avatar
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    Jan 2012
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    60
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    Massachusetts
    Tractor
    JM 284

    Default Re: 2007 Jinma 284 (iron horse) will not start

    Quote Originally Posted by Bob Rooks View Post
    That emulsion is common to coolant leaking into the lube oil system or poor crankcase ventilation. Check to see that your evacuation system isn't plugged. If you find there isn't any problem with the cylinder head then you may have failed cylinder liner O-ring seals, or worse yet, a cracked liner.
    Fingers crossed it's not the liner.
    Chris
    Massachusetts
    "Iron Horse" JM 284 Tractor w/ HW03 backhoe, “homemade” 28 ton, hydraulic log splitter (thanks to Northern tool and Tractor Supply), Craftsman 42 lawn tractor, Craftsman snow blower.

  2. #42
    Platinum Member
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    Dec 2006
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    585
    Location
    Coastal Rhode Island
    Tractor
    Jinma 354, purchased 2007

    Default Re: 2007 Jinma 284 (iron horse) will not start

    When my head gasket went, it wasn't immediately obvious where it was leaking. There wasn't a gaping hole or scorch marks or anything like that, just a little discoloration between the cylinders. What was obvious was that the inside of the cylinder head was pitted on one cylinder, where coolant was getting in and boiling.

    Replacing the head gasket seems to have fixed everything, it has run better than ever since.

  3. #43
    Advertiser
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    Mar 2004
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    1,246
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    Texas

    Default Re: 2007 Jinma 284 (iron horse) will not start

    The Quanchai as well as the Yangdong 385 engines are dry sleeved, not wet sleeved so it cannot be a bad O-ring

    Tommy
    Affordable Tractor Sales
    "Your Jinma Parts Superstore"
    Home of compact Jinma, Foton, and Koyker Tractors and Parts, Wood Chippers, Backhoes - Affordable Tractor Sales Company

  4. #44
    Veteran Member Bob Rooks's Avatar
    Join Date
    Feb 2007
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    2,155
    Location
    Bothell & Silverdale, WA
    Tractor
    Yuchai Bulldozer

    Default Re: 2007 Jinma 284 (iron horse) will not start

    Quote Originally Posted by Affordable View Post
    The Quanchai as well as the Yangdong 385 engines are dry sleeved, not wet sleeved so it cannot be a bad O-ring.
    Well that's good news shared. Then the worst case scenario is only a cracked block, and then only if left to freeze without anti-freeze in the coolant. I'll speculate then that it's only a head gasket, and probably not given the 100 hr. re-torque it should have had.
    Yuchai YCT dozer, Mustang 2040 skid steer, Mitsubishi MS035 Mini-Ex, Trimble equipped 7' Dual Dozer, and a LiTW BH7600 back hoe for sale.

  5. #45
    Bronze Member chris85's Avatar
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    Jan 2012
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    60
    Location
    Massachusetts
    Tractor
    JM 284

    Default

    Well the head was tested and it is warped and pitted. Will update after its replaced.
    Chris
    Massachusetts
    "Iron Horse" JM 284 Tractor w/ HW03 backhoe, “homemade” 28 ton, hydraulic log splitter (thanks to Northern tool and Tractor Supply), Craftsman 42 lawn tractor, Craftsman snow blower.

  6. #46
    Platinum Member
    Join Date
    Dec 2006
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    585
    Location
    Coastal Rhode Island
    Tractor
    Jinma 354, purchased 2007

    Default Re: 2007 Jinma 284 (iron horse) will not start

    Quote Originally Posted by chris85 View Post
    Well the head was tested and it is warped and pitted. Will update after its replaced.
    In a way that's good news, knowing what the problem is beats having a mystery.

  7. #47
    Gold Member BuilderML's Avatar
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    Nov 2012
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    300
    Location
    Tolland, CT
    Tractor
    CCY SX3100

    Default Re: 2007 Jinma 284 (iron horse) will not start

    How are you making out?

  8. #48
    Bronze Member chris85's Avatar
    Join Date
    Jan 2012
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    60
    Location
    Massachusetts
    Tractor
    JM 284

    Default Re: 2007 Jinma 284 (iron horse) will not start

    Quote Originally Posted by BuilderML View Post
    How are you making out?
    Well, ordered the new head last week, I'm crossing my fingers it ends up being the correct one. It looks like the one that was on the tractor may not have been the correct head as the water jacet ports were not lining up only a half moon of opening and the bolt holes are a fraction too big which could account for the slippage. If all goes well I hope to have all parts and be putting it back togther next weekend.
    Chris
    Massachusetts
    "Iron Horse" JM 284 Tractor w/ HW03 backhoe, “homemade” 28 ton, hydraulic log splitter (thanks to Northern tool and Tractor Supply), Craftsman 42 lawn tractor, Craftsman snow blower.

  9. #49
    Gold Member BuilderML's Avatar
    Join Date
    Nov 2012
    Posts
    300
    Location
    Tolland, CT
    Tractor
    CCY SX3100

    Default Re: 2007 Jinma 284 (iron horse) will not start

    Chris,
    We sure are getting some nice weather around here. Hope you got it back together by now.

  10. #50
    Bronze Member chris85's Avatar
    Join Date
    Jan 2012
    Posts
    60
    Location
    Massachusetts
    Tractor
    JM 284

    Default Re: 2007 Jinma 284 (iron horse) will not start

    Quote Originally Posted by BuilderML View Post
    Chris,
    We sure are getting some nice weather around here. Hope you got it back together by now.
    Sadly, not yet. The head came in but was not the right fit, returning for another model. I am beginning to twitch a little and think I need to go back on meds as the withdrawals are coming with the nice weather.
    Chris
    Massachusetts
    "Iron Horse" JM 284 Tractor w/ HW03 backhoe, “homemade” 28 ton, hydraulic log splitter (thanks to Northern tool and Tractor Supply), Craftsman 42 lawn tractor, Craftsman snow blower.

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