Model #10728786 CRAFTSMAN Lawn, Riding Mower Rear Engine

  • Frame/body/seat
    3 Results
  • Engine - 21hp Briggs & Stratton
    3 Results
  • Transmission
    3 Results
  • Controls
    3 Results
  • Electrical
    3 Results
  • Lift
    3 Results
  • Wheels & Tires
    3 Results
  • Decals
    3 Results
  • Mower Deck-clutch/support
    3 Results
  • Mower Deck-housing/arbor
    3 Results
  • Hardware Id/torque Specifications
    3 Results
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Question and Answers

Q:

gas in the oil? 10728786 Craftsman Zero-turn rear engine rider

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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Natasha12 -
Sears Technician
May 13, 2014
Q:

Will not start 10728786 Craftsman Zero-turn rear engine rider

A:

Searspartsdirect.com is always a great resource to find the answers to your parts questions. Your Sears partsdirect expert will research your question and respond within two business days but usually sooner. Thank you for using Searspartsdirect.com!

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Marc -
July 09, 2013
A:

Hello glad to help.  Thank You for choosing Sears PartsDirect.com

I am sorry and do understand your frustration when having trouble with your lawn tractor.

First thing I always tell people is check for the spark and you have done that.   Replaced a battery and starter.   You sound like you know what you are doing so check your air filter make sure it is clean.   Check your fuel lines.  I would highly advise after that for to get the fuel pump.    Also when is the last time you changed your fuel filter?

http://www.searspartsdirect.com/partsdirect/part-number/699915/0071/500?pathTaken=directMatch&filterPart=&pop=flush&prst=0&shdPart=699915&sid=MMLxexpertmerch

http://www.searspartsdirect.com/partsdirect/part-number/695666/0071/500&pathTaken=partSearch&blt=14&prst=0&shdPart=695666?sid=MMLxexpertmerch

If you have further questions please let me know.
Thanks for choosing Sears PartsDirect.com

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Larry L -
Sears Technician
July 10, 2013
A:

Took the fuel line off the carb and cranked the starter and got plenty of fuel from the pulse feed fuel pump. The solenoid in the carb bowl is engaged whenever the key is on. I checked the compression in the combustion chamber and it reads 57 psi. I replaced the spark plug but it still will not start. It cranks a little faster, like it is close to starting, and a ball of flame shoots out of the exhaust after 10 seconds cranking now. It used to only shoot flames out of the exhaust after several tries. The valves are adjusted right. After cranking it with the air filter off I see a fog of what I believe is vaporized fuel coming from the air intake. It smells like gasoline. Spraying starter fluid into the air intake makes no difference. I also rebuilt and cleaned the carb. The choke and throttle are working properly. The mower only has 470 hours on it and really need it to work.

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Hans -
July 14, 2013
A:

I wonder why the expert didn't ask you about the 65 PSI and now down to 57 PSI. compression but instead said to get a fuel pump. which it is not needed when you have a full stream shooting out the fuel line when cranking the engine over. I would be checking into that 57 PSI. those fuel pumps are very reliable and I have hardly ever changed any of them for failing. 57 PSI is not good at all that's where you need to look. I hope the gauge you have is wrong and you really don't have that low of compression.

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TC -
July 14, 2013
A:

Hello glad to help.  Thank You for choosing Sears PartsDirect.com

I am sorry and do understand your frustration when you are still working on the engine and still having problems.

Allow us to show you the BEST our www.ManageMyLife.com website has to offer! Not only is this completely free, but we have troubleshooting experts who can provide you with tons of information from installing a part to maintaining your closest. In order to join our growing community of do it yourselfer's all we need is your email address and zip code and you're all set!
Sorry and good luck

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Larry L -
Sears Technician
July 15, 2013
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Q:

ZTS 7500 model 10728786 electrical problem

A:

The tractor cutting out every time the blade is engaged would be upsetting. The expert will review this model and reply. In the meantime, I did locate a similar question with information. I attached below along with one for Sears Parts Direct if a technician is needed.

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Barbara -
April 14, 2013
A:

I posted a wiring diagram in the image below. That wiring diagram is for a slightly different model but it should help you diagnose your problem with that ZTS 7500 that you have. Your symptoms point to a problem with the seat switch. I highlighted the wires going to that component. Check the harness connection. You should measure an electrically "open" condition in that switch when the seat is occupied. If the switch is bad, then it will need to be replaced. 

 

You can order parts from this page: Craftsman Zero-Turn Rear Engine Rider Model 107.28786 Repair Parts.

 

If you need more help, reply with additional details. 

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Lyle W -
Sears Technician
April 16, 2013
A:

thanks for the wire diagram it looks the same as what I had found under a different reply , but I can read this one. I had already found the problem . it was not the seat switch , but the connector. they had put a fail safe in the connector that if it came unplugged the it would become a closed circuit. the fail safe was not working properly. So even though I had checked the seat switch as soon as I plugged it back in it was being closed by the safety. They do have a note about the connector on the diagram. thought I would share incase somebody had the same problem.

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fred -
April 16, 2013
A:

Hello Fred. Thanks for sharing those details. That information could definitely help other readers facing the same problem. We are glad to hear that you found the cause of your problem and fixed it. Let us know if you ever need more help.

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Lyle W -
Sears Technician
April 17, 2013
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