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Author
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Topic: injector pump rebuild
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David
True Blue Posts: 137
From: Eunice, Louisiana
Registered: Feb 2004
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posted February 12, 2004 04:27
  
Hi all, I'm an official dexta owner now, and having a ball starting on this i believe 58/59 dexta. having trouble starting it, the previous owner had to pull start. So,after seeing little diesel at the injectors when priming with new fuel, i decided to bring the simms into my local diesel shop for a checkup. He called today with a quote. a complete rebuild of pump(pistons,valves,springs, etc), new injectors, a new governor diaphram(it was in shreds), and a new fuel lift pump, and everything set for $650. my question... does this price sound about right?
thanks, davidIP: Logged |
Brian
Rules All Things Blue Posts: 2824
From: United Kingdom
Registered: Feb 2002
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posted February 12, 2004 09:21
Sounds pretty fair to me. Here in England you might pay up to $1000 for that type of repair.Don't want to sound too negative but starting problems might also be associated with a worn out engine. If ether has been used to start the tractor you could also be looking at faulty pistons and cylinder bores.  regards Brian. IP: Logged |
David
True Blue Posts: 137
From: Eunice, Louisiana
Registered: Feb 2004
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posted February 12, 2004 16:08
I was fearful of that, the man i bought it off of was a very close friend of the family. I don't think he'd lie to me, but you never know. but being cautious, i did ask him, he said he only used ether 3 times in the course of 4 years. he said he heard it was bad for the engine. i also checked the compression before i bought it, cyl 1 topped off about 100-105, cyl 2 about 115, and cyl 3 about 200 lbs. He said when it was running last it was very strong and no smoke. i guess i'll have to crank and see.
thanks, davidIP: Logged |
Brian
Rules All Things Blue Posts: 2824
From: United Kingdom
Registered: Feb 2002
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posted February 12, 2004 20:04
Oops that makes it difficult but I think your compression checks tell the full story.regards Brian IP: Logged |
tony
True Blue Posts: 136
From: carrollton, ga
Registered: Sep 2003
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posted February 12, 2004 20:16
brian, shouldn't they be all above 200. If I do the math correctly that's 14.7 lbs at sea level with a compression ratio of 16.5 should be 242.55 lbs. Do I have the theory right?IP: Logged |
David
True Blue Posts: 137
From: Eunice, Louisiana
Registered: Feb 2004
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posted February 12, 2004 21:11
oops as in, he probably lied? I read that over 100 should run ok. and that most engines after a rebuild will hit about 175-200. I guess if i do have to rebuild, i'll have a bunch of info. from the board.
thanks, davidIP: Logged |
don
True Blue Posts: 89
From: Schenectady, New York, USA
Registered: Jul 2003
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posted February 13, 2004 02:01
David,The guy didn't necessarily lie. The low compression could have many causes from wear on the engine, leaky headgasket, etc. I'm in the middle of a rebuild right now and I must say that I never would have attempted it without the information I've gleaned from this site. Beside the excellant mechanical knowledge, sources for parts is another great thing about this site. My local shop checked with their Perkins dealer and can't touch the rebuild kit prices from some of the sources you'll find here. Being a bit distrustful by nature, it gives me comfort to know of others that have dealt with these parts companies succesfully. Here's a link to Wayne's website that also has very good information. http://dexta.20m.com/ ------------------
don IP: Logged |
Brian
Rules All Things Blue Posts: 2824
From: United Kingdom
Registered: Feb 2002
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posted February 13, 2004 18:34
David,No I did not mean he lied, just that it is always difficult when you buy from a friend and things go wrong. Your readings should be in the 200's and they should all be roughly the same. As Don says you may have head gasket leaking between Nos. 1 and 2 which could be the cause of your problem. Tony, your not too far out with your figures. regards Brian IP: Logged |
David
True Blue Posts: 137
From: Eunice, Louisiana
Registered: Feb 2004
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posted February 14, 2004 00:23
Thanks Brain, Don, and Tony for the posts. Its really good to be able to access so much info. when i get it cranked , i'll give you all an update. thanks, davidIP: Logged |
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