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820 cranking engine

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Gemalo

08-21-2001 08:41:45




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I have just noticed water in the crank case oil ( gray milk look ) . I drained case and flushed and filled with nondetergent 30 oil. (one quart) . Then cranked the engine and ran it for 2-3 min. The gray milk was back and the dip stick was much over full..... Does anyone have any suggestions as to what should be the next step ? Check ? Remove engine ?

Thanks for your help! Gemalo




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G Taylor

08-21-2001 10:01:22




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 Re: 820 cranking engine in reply to Gemalo, 08-21-2001 08:41:45  
Is this is the pup or pony starting engine on a two cylinder diesel & not the three cylinder 1970's utility tractor? If lucky it's just the pup engine waterpump seals, cheap & easy to access & repair. If not it's time to pull & rebuild. New & rebuilt parts are avalable for a reasonable cost.



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Frank Boerger

08-21-2001 12:55:01




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 Re: Re: 820 cranking engine in reply to G Taylor , 08-21-2001 10:01:22  
I agree that all you have here is failed seals, but the shaft can be pitted, too. That's one of the items that I am having trouble locating...the water pump shaft for the pony on a 70 D. My dealer says he is certain he can find one, but I could have turned one out in my brother's machine shop by now (down 4 weeks).

Seals are an overnight item, but check for pitting of the shaft. Also, if you have to remove the impeller, you might try some heat, though not any more than a propane torch can deliver. Warm it up, let it cool down, add a little oil, warm it up again, let it cool, then press it out. I have heard of some castings being cracked otherwise.

Good luck and hope your small plumbing pipes are not too rusty...no longer available.

Frank-in-Tallahassee
70 D // 855

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GEMALO

08-26-2001 06:03:15




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 Re: Re: Re: 820 cranking engine in reply to Frank Boerger, 08-21-2001 12:55:01  

Frank,
The fix seal problem on my 820 pony motor helped but did not completely solve the problem. Water is still getting in the oil. Any sugestions as to next step. I note the dip stick on the 820 pony motor (SE-4226) has a 3.375 length and a spare motor I have (No SR) has a 4.25 length dip stick. The 80-820-830 parts book gives only one number for this part. To fill the crank case to full mark with the shorter stick takes almost 2 qts. of oil. any ideas of whats happening.
Regards , GEMALO

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Gemalo

08-21-2001 08:45:23




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 Re: 820 cranking engine in reply to Gemalo, 08-21-2001 08:41:45  

"E" Mail Confirmed.



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