Model #917388300 CRAFTSMAN Walk Behind Lawnmower, Gas

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Question and Answers

Q:

Part #: 631028�??Substitution: 485862 for Push mower gas bowl 917388300 Craftsman Walk behind lawn mower

A:

Thanks for the inquiry and for being a valued member.

I don't have anything internally documented on this particular float bowl gasket for the swelling, but I do see some instances online where others have had issues with this gasket. 

The best thing I can recommend would be to run an online search for the original part number of 631028. I do see there are some still be sold online. Outside of that, you could use a gasket creator compound, and that should solve the issue.

We apologize for the inconvenience and thanks for using SearsPartsDirect.com. We appreciate your business. 

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Jeff Wallace Sr -
Sears Technician
July 01, 2015
Q:

How do I speed up the idle on my Craftsman lawn mower

A:

I understand how important it is to have your equipment working properly, especially when the grass needs to be cut. While you are waiting for your expert answer, I have found a link that will provide some information and instruction for the idle speed. I would suggest that you look at the parts diagram on www.searspartsdirect.com to see if there is a missing part. I hope that this will help you.

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aashe -
May 24, 2011
A:

Thank you for your question.

I am sorry you are having a problem with the mower. If the mover is not coming up to speed, I recommend checking the linkage first. The first image below shows all of the linkage. Make sure it all moves freely. If it is fine and the spring is connected click on the second image. This image shows how to adjust the engine speed. The rpms should not me set higher than 3250.

Please let me know if you need further assistance.

Here is a link to order any parts you need. Sears Parts Direct .

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 T.

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Mark T -
Sears Technician
May 26, 2011
A:

exactly the area that i am checking. however, the operator presence control bar does not appear to be connected to the arm bar under the tank. do you have a diagram of the cable from the operator presence control bar(on the mower handle) down to the arm bar?

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andy -
August 09, 2011
A:

I have posted an image below that shows how the cable is connected to most of our mowers. If this image does not match your mower please reply below with a model number and I will see what I can do.

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Mark T -
Sears Technician
August 10, 2011
A:

Mark, I know this is a late reply to the original post.. but I have the same problem with idle speed. The model number is 917.388300.

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Don -
August 15, 2012
A:

Don,

I will be happy to assist you. I posted an image below that shows how the link should be connected. The image also shows how to adjust the engine speed. Click on the image to enlarge it. To adjust the speed on this model you just bend the tab the governor spring it attached to. Be sure to use a tachometer to verify the engine speed. It should be set to around 3200 rpm.
Please let me know if you need further assistance.
Mark T.

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Mark T -
Sears Technician
August 19, 2012
A:

Hi Mark - exact same problem, different model: 917385320. Advice?

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Chris -
August 26, 2012
A:

Chris,

I posted an image below that shows your model without the air filter. To speed the engine up you have to bend the tab that the spring is attached too. Bend the tab toward the front of the engine to speed it up. I recommend using a tachometer when you adjust the engine speed.

I hope this is helpful. Please let me know if you need further assistance.

Thank you for using Manage my life. Mark

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Mark T -
Sears Technician
August 27, 2012
A:

Actually the spring itself was gone. :) I replaced it. Thanks Mark!

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Chris -
August 30, 2012
A:

Chris,

I am glad to hear you have the mower up and running. Please let me know if you have any other problems with the mower.

Thank you for using Manage My Life! Mark T.

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Mark T -
Sears Technician
September 01, 2012
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Q:

how to get the pull string on a mower on and working

A:

When it comes to replacing parts on your tool or appliance owners manuals are the greatest things to have. While you are waiting on an expert to answer your question, I found your owners manual in the Manage My Life website. I have attached the link below. Have a nice day!

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Dezeray -
July 25, 2012
A:

Take the pull cord back out of the starter and then wind it back up as shown in the video link I've attached. Unless something is broken then there isn't any reason for the flywheel to affect the operation of the pull starter.

Thank you for using Manage My Life!

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Wade_B -
Sears Technician
July 26, 2012
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