Model #917270723 CRAFTSMAN Lawn, Tractor

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Question and Answers

Q:

mower dies when releasing brake/clutch 917270723 Craftsman Lawn tractor

A:

Thanks for your question- we see that no one from the community responded.  If you still require assistance on this topic, please resubmit your question with any updated information and we will have one of our experts take a look.  Also, we have updated our site to include information regarding common repairs and diagnosis, which can be found here: www.searspartsdirect.com/repair-help.html.  If you are looking for your owner’s manual, it can be found here: http://www.searspartsdirect.com/partsdirect/user-manuals.  Thanks for visiting SearsPartsDirect.com.

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Sherman_G_Wallace -
Sears Technician
May 14, 2014
Q:

Why is gas coming from the muffler on my Craftsman tractor model 917-270723?

A:

The problem with engine is the needle valve in the carburetor is stuck open not turning the fuel off to the carburetor. Once the float bowl is full the fuel runs down it to the engine and fills the cylinder with fuel. That is why it will not turn over. To repair this you will need to remove the float bowl and inspect the float. It is best to remove the float and put it in a glass of water, if it floats it is fine. Next thing to check is the needle valve and seat. It is most likely that there is small pieces of debris holding the valve open. Remove the fuel line and flush the carburetor with carburetor cleaner and reassemble it. You will have to remove the spark plug and turn the engine over slowly. Use extreme caution to remove the fuel from the cylinder. Next drain the oil and refill then install the spark plug. Now put a small amount of fuel in the tank and test. It will smoke out of the muffler for a short time. It is fine if it is just burning off the fuel oil in the muffler. If it floods the engine again you will need to replace the carburetor Part number 791886 and can be from this link Sears Parts Direct .

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Mark T Personal Solutions Manager -
Sears Technician
November 21, 2009
A:

how do I get to the needle valve?

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Anonymous -
September 12, 2012
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Q:

Craftsman riding mower quits when clutch is released

A:

I know how important it is to have a good working tractor in your home so that you can keep your grass maintained. While you are waiting for an expert answer, I did manage to find a link that will provide you with some good information about what may be causing your problem. Hope this helps!

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Priscilla V -
August 13, 2012
A:

By the sounds of it you either have a belt that is out of place causing the engine to stop because it is not running properly, or there is a safety switch malfunctioning.

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Jon -
August 13, 2012
A:

On most mowers, blades cannot be engaged while the tractor is in reverse. If it senses the tractor in reverse (even if it is in forward or neutral) it will not let the blades turn on and shut the engine off.

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Jon -
August 13, 2012
A:

Thank you for your question on the engine dieing when you let out the clutch.

Tractor uses an Operator Presence (seat) switch that will cause engine to stall if blades are engaged and there is no operator present in the seat. If ample amount of weight is not kept on the seat during operation or the operator is leaning forward the tractor will stall because the Operator Presence (seat) switch senses that the operator is not completely on the seat. Resolution To check Operator Presence (seat) switch: Lift seat. Locate wires that connect to Operator Presence (seat) switch under the seat. Disconnect and clean any debris in the switch connector (tractor side). Operator Presence switch located under seat. Reconnect wires to Operator Presence (seat) switch. Sit on tractor seat. Start tractor. Engage blades. If the above steps DO NOT solve the issue, follow steps below. To test the grey 2 prong seat switch on 917 source. The switch is in the normally closed (n.c.) postition when the seat is NOT occupied. To test the green 2 prong seat switch on 917 source. The switch is in the normally open (n.o.) position when the seat is occupied. If all this fails you may need to change the seat switch.

Seat switch on tractor model 917.270723 .

Please let me know if this process help solve you problem.

Sam A.

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Sam A -
Sears Technician
August 14, 2012
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