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Tractor Talk Discussion Forum

Air cooled Deutz in a gleaner

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Farmerboy

11-05-2005 12:05:34




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I posted this on combines as well but thought I might get better exposure on this forum -

I"m planning on replacing a head gasket on the fourth cylinder tomorrow. Can anyone give me some tips on how to do it right? Dealer said it had to be shimmed for piston clearances and I was wondering how to accomplish this.

I"m just hoping I don"t have a scored piston and sleeve:(

Fast advice is appreciated.

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thejdman01

11-05-2005 16:29:28




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 Re: Air cooled Deutz in a gleaner in reply to Farmerboy, 11-05-2005 12:05:34  
its been awhile but if i remeber right theres different"notched gaskets. 1 notch standard, 2 notch is x amount thicker to compensate for head being palned up to 4 notch i believe its been awhile since i did that to a deutz.



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thejdman01

11-05-2005 16:28:47




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 Re: Air cooled Deutz in a gleaner in reply to Farmerboy, 11-05-2005 12:05:34  
its been awhile but if i remeber right theres different"notched gaskets. 1 notch standard, 2 notch is x amount thicker to compensate for head being palned up to 4 notch i believe its been awhile since i did that to a deutz.



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Gordon Chance

11-05-2005 16:13:15




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 Re: Air cooled Deutz in a gleaner in reply to Farmerboy, 11-05-2005 12:05:34  
The piston to head clearance can easily be checked by using ordinary solder. Before you install the head, cut a long string of solder from a roll and bring the ends together to form a loop. Push the closed end of the loop through the injector hole and place the two ends of the loop opposite each other and bend them against the head inside of the combustion area. Wrap the closed end of the loop around the injector hold down stud to hold the solder in place. Install the head and tighten the bolts to the proper specs. Turn the engine over so that the piston comes up and strikes the ends of the solder. Pull the solder out of the cylinder and use a micrometer to measure the amount of crush on each end of the loop. This will give you the piston to head clearance. You are looking for .040" to .048" clearance. If you are in this range, then you can finish the job. If you don't have enough clearance, then you will have to remove the head and cylinder to put the proper thickness of shim or shims between the cylinder and the block to give you the proper clearance. I hope that this helps and good luck.

Gordon

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RodinNS

11-05-2005 14:16:08




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 Re: Air cooled Deutz in a gleaner in reply to Farmerboy, 11-05-2005 12:05:34  
That's not too bad a job. Probably has the copper head gaskets? I worked on a Hatz like that about 10 years ago. I think I just used a depth gauge to measure the distance from the deck surface to the piston crown. There's a spec that it calls for, and you just add or remove gaskets to get the correct spec. Really not bad..... just that you need the book to get the exact spec. Say, for example that it calls for 80 thou. You measure the piston to sit below the deck by 40 thou. You then need a 40 thou gasket. As I recall, the cylinder also had to be torqued down properly to measure this distance. If not, then you will not get a true reading. I'm trying to remember back to how we pulled that off.... Mabey straps across the cylinder deck..... Anyhow, HTH.

BTW, the one I dealt with had been run for a while with a blown head gasket. To the point that the head got loose. The cylinder started to wobble..... It reamed the base out, and then started to leak oil profusely. That would be something to keep in mind.

Rod

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