When the radiator of a tractor you've removed a few times and you start to be tired of plugging holes, you wonder if you could do something else.
3016 LANZ The radiator is attached to the cylinder block by six screws, a plate to hold the regulator and the shade of the radiator, in short, it is difficult to dismantle, at the bottom o-ring has a 8mm thickness, which are not difficult to find.
But the problem is at the base of the radiator, where the accommodation of the six screws, is a casting, attached to the honeycomb brass solder cooling. As decades tap water was used instead of coolant to maintain the temperature of the engine, the part in question on the inside is completely corroded, with significant craters and when you try to weld on the one hand shortly afterwards another hole .
In my case, I decided that this piece may be machined and copy exactly like the original, and even better in terms of the O-rings. So the honeycomb desolder, cleaned, copied accurately measures and found a piece of brass, perform the steps Total external. In a router made first on one side of the piece, specifically the outside with their corresponding holes down the engine block of coolant, and two apartments for two rings (the original has only one.) After the inside is hollow with a ramp to the rise of the liquid, it is by thermosyphon, fine-tuning the comb for soldering and last holes of the six screws that joins the bloc.
All meticulous work and precision, but when there is no hurry to make the tractor work, it's worth taking some time to do things right.
I hope that the photos to appreciate the restoration.
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