craftsman lawn tractor not running

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  #1  
Old 08-25-08, 03:58 AM
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Question craftsman lawn tractor not running

my crafstman lawn tracktor engine starts; then after about 30 seconds the engines starts stalling and eventually shuts down. I try to start it again and the same thing. I changed the air filter and same thing happens; runs for about 30 seconds then dies. The tracktot is a craftsman lt 1000 number 917.271734..... can anyone please help me.
 
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  #2  
Old 08-25-08, 04:36 AM
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There could be several causes for your problem. I will cover the easy and possible. Are you knowledgeable of troubleshooting and do you have tools?

The fuel cap is vented, if the vent is plugged fuel will not flow to the carburetor. Remove the cap and ensure the vent hole is not obstructed.

Clamp off and remove the fuel line where it goes into the carburetor to see if you have fuel flow. Place the end of the fuel line in a container and open the clamp. If no fuel flow, find the obstruction. Replace fuel filter if dirty or old. Is the fuel line old, they breakdown internally and trash ends up in the carburetor. If it is old, replace it.

Does you carburetor have an anti-afterfire solenoid installed? If it is not working it will block fuel flow to the engine. Clamp off the fuel line from the tank and test the anti-afterfire solenoid as shown in the link below.

When and if you test the anti-afterfire solenoid remove the carburetor bowl and clean inside the carburetor with spray carburetor cleaner.

Let us know what you find please and good luck.

Testing the anti-afterfire solenoid link:
http://faqs.custhelp.com/cgi-bin/faq...i=&p_topview=1

Overhauling carburetor link:
http://faqs.custhelp.com/cgi-bin/faq...i=&p_topview=1
 
  #3  
Old 08-25-08, 04:45 AM
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thanx... i will try this afternoon and let you know.... i appreciate your help
 
  #4  
Old 08-27-08, 03:29 AM
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still not running...

tried the gas cap... no clog. Tried the fuel filter and the fuel lines... there is fuel flow and the filter looks good. Now i notice that some black smoke comes out of the engine when i start it up... yesterday it started ran on full choke for about 30 seconds then "backfired" some bangs then eventually died. if i try to start it right away it will only run for abut 10 sec... if i let it rest it might run for 30 to 45 seconds. I have not checked the carburator will do that this afternoon...any other ideas??? thanks
 
  #5  
Old 08-27-08, 05:01 AM
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It sounds like your problem may lie inside your carburetor. At the very least you should remove the float bowl from the bottom of the carburetor and have a look inside to see if its dirty or not.

Be sure to shut off your fuel supply before doing this or you may loose fuel.
 
  #6  
Old 08-28-08, 03:17 AM
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its running !!!!!

Thanks for all your help with this issue. Yesterday i took down the float bowl and guess what it was dirty !!!! sprayed some carb cleanner and running like a champ. !!!! i appreciate your help
 
  #7  
Old 08-28-08, 05:27 AM
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Thats great, glad to hear you got it going again.
 
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