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Farmall & IHC Tractors Discussion Forum
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685 engine heater hints

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karl f

11-18-2007 21:03:53




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now is the time to think about it ;)
any hints to adding an engine heater to a 685 for winter? just today realized no engine heater. i observed the really simple block design with lack of frost plugs. looks like a tank heater is the only option, with only one block drain to feed it, but about 3 spots for it to feed to, all near the water pump. for simplicity of design (less hoses), left side fittings would be best, but looks like a mess to mount the heater tank itself with little room because of fuel filters, inj pump, ether can, and starter. there is a frame memeber of a brush mower in the way, like a loader--plenty of room on right side, even with frame member. tractor does not have a cab or coolant filter--which would maybe make a heater easier to plumb.

anyone have good hints for mounting and plumbing one? i want a clean, durable, reliable, and out of the way installation. cih parts page did not seem to show a heater option.

thanks
karl f

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Janicholson

11-19-2007 03:43:29




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 Re: 685 engine heater hints in reply to karl f, 11-18-2007 21:03:53  
Clean flow for convection is the most important. Having no loops of hose going downward from the outlet, and no loops going anywhere but up in the lower hose. The unit can be at an angle (most) but not more than 45 or so. A modest coolant heater with a pan heater (magnetic) work pretty well with each other. JimN



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karl f

11-18-2007 21:13:13




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 Re: 685 engine heater hints in reply to karl f, 11-18-2007 21:03:53  
found this image online. it's quite large, but shows good detail. it's on the right side of the engine.
it is feeding the heater from almost the same height as the tank's output--i do not think that is very effective. the heater looks burnt out, and the plumbing may be why. the heater's input is one spot i would consider plumbing its output.

karl f

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