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Restoration & Repair Tips Board

Re: JD 4240 in frame overhaul, any tips or tricks for a newbie?

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12-20-2013 05:25:25

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1-800-522-7448 for the service manual. Who wants to guess the specs, do the work, spend the money and then have to do the work over again? You could try a new set of injectors , check injection pump timing and advance. Then install new air filters before the tear down. Number of hours? As for the over heating. I'll bet case of beer that the fan pulley and the alternator pulley and belts are all worn. The rad will be externally 1/2 plugged with oily mud and manure that can only be removed by removing all the sheet metal , cowling etc. Did anybody ever add tap water with minerals to the cooling system ? There could be a layer of scale inside the cooling system. Use distilled water and new diesel antifreeze. Some head bolts are reusable and others stretch which will result in head gasket failures. This is the time to replace the front dampener and the water pump. Careful grinding valves and seats . If they are sunk compression drops and cold weather starting will be lousy. There are various combinations of pistons and head gaskets to raise compression. A pro properly rebuilding an engine for $10,0000 doesn't have very much left to pay his expenses and wages after parts and machine shop bills are paid.

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12-20-2013 09:06:00

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 Re: JD 4240 in frame overhaul, any tips or tricks for a newbie? in reply to buickanddeere, 12-20-2013 05:25:25  
I've already got a service manual, I'll definitely look into replacing that stuff.
its got 144,612 hours, ok ive removed the sheet metal before so ill take it apart and look into that.
I'm sure the previous owner added tap water to it, ill be sure to flush it and use distilled water
well when i got the quote it wasnt for a rebuild it was only for an overhaul, not a full engine rebuild.
thanks for the input

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