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 12-28-2011, 16:52 Post: 181798
johnwill1



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 Cub Cadet 7234 wont start after priming to injectors

Help guys. I have a 7234 that will crank and crank, yet not start. I have voltage on the glow plugs, diesel primed to injectors, plenty of starter speed, good battery(even jumper cabled to my f250), and this little beast will not start. I can get it to run on WD40. Is there a pressure regulator that could be restricting pressure to injectors, or a kill possibly tripped? Any help will be greatly appreciated.






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 12-28-2011, 20:48 Post: 181804
Larry Lutz



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 Cub Cadet 7234 wont start after priming to injectors

I have developed the same problem with my 7274 (new in 96)1078 hrs
Started up fine on Friday ran for 45 mins shut it off & cannot get it to start.Just like that run to no run
I think its my fuel shut off solenoid thats not working it has the fuel shut off.The part is $170 so I want to make sure its the problem.I have taken the cover plate off the injector pump & we are going to watch the solenoid tomorrow to see if its disengaging when the key is moved to start
I had no symptoms at all the tractor started & ran great & as you say now it will turn over but its not getting fuel so it can only be the solenoid or the injector pump as the fuel pump is delivering fuel to the to the injector pump & the injector pump is $1300 yikes






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 12-29-2011, 15:18 Post: 181813
kthompson



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 Cub Cadet 7234 wont start after priming to injectors

First not a diesel mechanic; but have you tried lossing the line to an injector just a little to see if fuel it going to the injector? Do know enough to tell you very high pressure there and dangerous.






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 12-29-2011, 17:47 Post: 181815
Larry Lutz



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 Cub Cadet 7234 wont start after priming to injectors

Yes I did nothing coming out at all but the fuel pump is pumping fuel to the injector pump so I'm HOPING its the solenoid & not the injector pump or I think I will just sell it
Its funny someone else is having the same problem though at the same time hmmmmm






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 12-29-2011, 18:06 Post: 181816
johnwill1



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 Cub Cadet 7234 wont start after priming to injectors

Mine does have diesel to the injectors, I have bleed all lines all the way to the injectors themselves. I don't know if maybe I have insufficient pressure to the injectors, or what the issue is?






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 12-29-2011, 19:26 Post: 181818
Larry Lutz



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 Cub Cadet 7234 wont start after priming to injectors

Is your fuel pump working?






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 12-29-2011, 19:28 Post: 181819
johnwill1



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 Cub Cadet 7234 wont start after priming to injectors

Yes, Elec pump is working, injector pump seems to be. It will push fuel to the connections at the injectors on block, just will not start. Will run on wd40, makes no sense.






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 12-29-2011, 19:37 Post: 181820
Larry Lutz



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 Cub Cadet 7234 wont start after priming to injectors

Could the timing be out?
Dont know much about diesels either and it makes no sense to me why mine ran fine then nothing but I have no fuel going past the injector pump






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 12-29-2011, 20:11 Post: 181822
johnwill1



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 Cub Cadet 7234 wont start after priming to injectors

There is an inspection plate on the side of the pump where your throttle bracket is. It has 4 10mm bolts to remove it. You can look in there and see if your solenoid is operating when you turn the key on and off. More than likely the solenoid has failed on yours. If it is operating and no diesel is coming thru the injector pump, then it is the culprit.

As far as mine, I'm not experienced enough with this style pump to know if it could be a timing issue, but you may be on to something there.






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 01-12-2012, 18:43 Post: 182049
Larry Lutz



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 Cub Cadet 7234 wont start after priming to injectors

An update on the 7274
The Injection pump has 3 broken internal pieces which has resulted in a $550 rebuild but have been told it will be better than new.Apparently these pumps are extremely sensitive but tough also and one little issue can lead to other issues which happened and when I shut it off the break occurred no amount of preventative maintenance can prevent something like that from happening lesson learned.The man working on it is very impressed with the ruggedness of the tractor & said I should keep it.Hopefully he is right






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Discussion Boards > Active Subjects > Messages as Posted > Cub Cadet Forum

Thread 181798 Filter by Poster:
Cyrus55 1 | hormer1 4 | johnwill1 6 | kthompson 1 | Larry Lutz 6 | TxJoey 7 |




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