Model #917378340 CRAFTSMAN Walk Behind Lawnmower, Gas

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Question and Answers

Q:

Lawn Mower revs too high

A:

Good morning... I can fully understand your concern regarding this RPM issue. I did locate a link that will discuss your situation in greater detail. Though this link discusses a different model number, the mechanics are likely going to be very similar. Keep in mind that an expert will be responding within the next two business days if not sooner and will likely offer you more information and instruction. I hope this link will help guide you as to what might be wrong with your mower and have a nice day.

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Henry -
April 23, 2013
A:

Thank you for your question.  I am sorry you are having a problem with the mower. Based on the details of your question, I suspect the throttle shaft was gummed up from sitting over the years. You may be able to cure the problem by spraying some carburetor cleaner along the shaft. Then work the throttle plate on the top of the shaft. You should be able to get the shaft to turn. Once it turns, spray it again and keep working it until you get it loose. Once it is loose, go ahead and check the operation.  If you cannot get it freed up you will need to clean the carburetor. I was able to find a video on how to clean the carburetor. Click here to watch the video  If you do not feel confident repairing this problem yourself, then you can have it repaired by a Sears  technician.  Here is a link that will provide the nearest drop-off locations:  Sears Home Services. Thank you for using Manage my life.  Mark.  

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Mark T -
Sears Technician
April 25, 2013
A:

Before your advice, I went ahead and found that the throttle was indeed gummed up and used carburetor cleanor to clean it. The trick was taking off the necessary pieces to get to it. Mower works fine now and lawn is mowed. Thanks

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Dawn -
April 27, 2013
A:

Dawn, I am glad to hear you have the unit working again. Thank you for using Manage my life. Mark.

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Mark T -
Sears Technician
April 28, 2013
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Q:

Craftsman mower #917.378340

A:

I understand how it can be frustrating when those garden tools go out especially at this time of season. I have done some research on the Manage My Life website and have located several links similar to your issue. While you are waiting for a detailed reply from an expert I have provided the links below. Hope this helps!

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Priscilla V -
May 14, 2012
A:

I looked at those links but they really did not provide any solution. Any specific direction...is there an adjustment for the governor?

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Curt -
May 21, 2012
A:

Hello Curt,

I'm sorry that you are having difficulties keeping your mower running. I am concerned that the carburetor is not able to supply enough fuel to the engine and I would ensure that the fuel is flushed and the tank and lines are totally free of debris. I would also recommend that you remove the float bowl and verify that there is no debris in it.

Here is a video that shows the process of removing the tank and cleaning out the carburetor.

Once you have verified the fuel system is ok, here is a video demonstrating Tecumseh carburetor adjustments and types.

I have also attached a linkage diagram for your assistance at the end of this reply.

Let me know if there is any other help that you would like,

Jerry C

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Jerry C -
Sears Technician
May 28, 2012
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Q:

installing drive for model 917378340

A:

Owner's manuals are your best friend when it comes to installing. While you are waiting on an expert to answer your question, I found your owner's manual in the Manage My Life website. I have attached the link below. Hope this helps!

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Dezeray S -
April 09, 2012
A:

Looking at the parts diagram for reference you need to remove items 8, 9, 11, 12, 13, 14, 15, and 16 on both front wheels. Remove the spring, item 40 and move the gearbox left to make it easier to disconnect the drive cable spring.

Slide the gear box left until the right axle is free. You can then lift the right side and pull the gear box right until the left axle is free.

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Jimmy K -
Sears Technician
April 10, 2012
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