Block heater location for a JD 310SE backhoe
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Thread: Block heater location for a JD 310SE backhoe

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    Block heater location for a JD 310SE backhoe

    In an effort to avoid using WD-40 in our cold upstate weather, I bought a block heater (AT74940) for my backhoe. Odd thing though, I've only found one reference to the installation location. That reference mentioned a threaded plug that needs to removed on the left side of the block. I'm guessing that most folks wouldn't have trouble finding that plug. But, between me and my equally handicapped neighbor, we never found a plug. I tried the right side of the engine and saw 2 possible plugs. When I tried to unscrew one of the plugs it hex head easily broke off (as you can see right behind the oil fill). I've attached pictures of the right and left sides of the engine. Thanks in advance for any help!

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    johnH123's Avatar
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    is this it?

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    [QUOTE=johnH123;1193002]is this it?

    I think plug outlined in red in your photo is at cylinder head air intake area.

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    Although plug(key 22) appears as a different configuration the o-ring(key 23 U13639) is the same part number as engine coolant utilizes therefore I think you're attempting to remove correct plug. Did you try tapping on plug with a hammer in an attempt to break it loose?
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    Thank for responding! I didn't try to remove the plug after the head broke off. The backhoe was in the driveway and I wasn't sure that this was the correct port. Without knowing that I could plug the hole I didn't want to disable the hoe. That's when I decided to write to you folks.

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