Radiator overheating within short time jinma 284

Forum Forums Tractor Troubleshooting Radiator overheating within short time jinma 284

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    • #36201
      Tinbender
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        If it's like mine the thermostat housing is where the upper radiator hose connects to the engine, and you can check the thermostat with a pot of boiling water. Most likely the radiator fins are plugged with chaff.hmmm You want to be very careful if using compressed air to clean them, you can lay the fins over real easy if you're not careful. Even if your electrical system is not working right you should get a manual gauge and sending unit from a parts store or anywhere that sells gauges, a cheap one will do the job. You don't have to go overboard, but you should have something.readin

      • #36202
        Tinbender
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          One thing worries me. You said “I would fill up the radiator and start the engine up again (no starting problem). Within 30 min., same thing.”    Please tell me the engine is cold when you re-fill it. Never, ever put cold water in a stopped hot engine!

        • #36203
          Hans
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            NAW, WHEN I “REFILL”, THERE IS ONLY 1/2 TO 3/4 GAL. MISSING, INCLUDING THE SPOUT THAT JETTED OUT. I guess I'll try to find, dislodge and test the thermostat now.

          • #36204
            Affordable
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              Wash the radiator out with a hose and blow thru the fins with a air blower, if you cannot see thru the fins that is your problem, we have had so many tractors brought to us with this problem, the customer said they cleaned the radiator, once they seen us clean it they did not know what to say , we had a pile of dirt under the tractor

               

              If you cannot see thru it, wash and blow  it out again

               

              Tommy

              Affordable Tractor Sales

              “Your Jinma Parts Superstore”

              http://www.affordabletractorsalesco.com

            • #36205
              Hans
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                Aloha Tommy,

                That was indeed the problem, I think. Most importantly, there was a big help from Jerry, who told me about when and why the thermostat kicks in . I found the right thermometer, and yes, the pump and thermostat work as they should. Cleaned again and again, and now things seem OK.

                On another note, the sputtering and dying engine was UNRELATED, just coincidental and very misleading. I pulled out the little gas filter and it was filthy. All seems well.

                On the third (yes, that thing is a lot of trouble, and even after 10 years of hands-on observation , there is still a lot that is pure mystery, until I discover that it's just mechanics. I was mowing yesterday, a neighbor's lot, when I got so close to a hidden (by very high weeds) steep ravine (10' deep) that the whole tractor, rotary mower and all, nearly toppled down. I immediately lowered mower and bucket 100% and very gingerly climbed out (on the right,i.e., “wrong” side) My neighbor insisted that he could get it out, and did, with help of 3 people who stood on the mower and rear wheel (for counter balance) while he inched it away fro disaster. In shifting frantically, he did something, perhaps awful:

                The gear stick noodles around without any internal contact. I will, this morning, take of the gear box cover and see what happened. Yes, I am scared.

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