Model #917378350 CRAFTSMAN Walk Behind Lawnmower, Gas

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Question and Answers

Q:

lawn mower 917.378350 (purchased in year 2001) 917378350 Craftsman Rotary lawn mower

A:

Thanks for the inquiry and for being a valued member.

This mower uses a Tecumseh engine 143.026200, which is equivalent to Tecumseh's LEV120 engine. There is not an adjustable lever for speed control, but it can be adjusted. I have linked the engine specific service manual below that shows and discusses the adjustment on page 29.

Service Manual

I hope this helps and thanks for using SearsPartsDirect.com. We appreciate your business. 

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Jeff Wallace Sr -
Sears Technician
August 02, 2015
Q:

Mowser will start and run great......Try and restart, nothing will not turn over...Come back another day might start 2 pulls, might not craftsman mowaer 917.378350

A:

Good morning... I can fully understand your concern regarding this issue. I did locate a link that will discuss this 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 tractor and have a nice day.

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Henry -
February 18, 2013
A:

I am sorry to hear the mower isn't starting consistently. If you are like me, you like your lawn looking well maintained and not overgrown. You mentioned a concern that you may not be getting a spark. First be sure the spark plug gap is set at .030". Then you should test the ignition coil. Make sure the mower is shut off and the engine has cooled.  Then pull the spark plug cover off. You will need to remove the bolts that hold the flywheel to the top of the engine. Take off the flywheel to see the coil beneath. One terminal on the ignition coil is connected to the insulated wire for the spark plug. The other goes to a ring connector on the engine. Place one test rod from the ohmmeter to the wire inside the rubber cap tht attaches to the spark plug. Verify the test rod is touching the metal cap. Place the other test rod on the other coil terminal attached to the ring connector. If you get a zeo or the dial moves to the infinity range, (figure 8 turned on its side) you have a bad ignition coil.

If you need to replace the coil I have inlcluded the link for you.

Ignition coil for 917.378350

Let us know if you need further assistance by responding to this thread.

Thank you for choosing Sears, we appreciate your business.

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Rachel Morgan -
Sears Technician
February 18, 2013
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Q:

lawnmower debris cover removal

A:

I can understand your concern over wanting to know how to remove the debris cover for your mower, I did some research and provided a link to a similar question and answer on our site. I hope this will give you a better idea on the next step to take until the Expert responds to your question in more detail within 24 to 48 hours.

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Julio -
October 08, 2012
A:

not the same type of mower here is what mine looks like

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ron -
October 08, 2012
A:

To remove the blade adapter the gas should be drained or ran out of the tank so the lawnmower can be placed on the side. Lay the mower so the carburetor and air cleaner are up.

Block the blade with a piece of wood and remove the blade bolt and blade. The blade adapter should pull off the engine shaft unless it is rusted to the engine shaft.

Try spraying rust buster between the engine shaft and the blade adapter and tapping the blade adapter with a hammer to help the rust buster penetrate. Tap on the back side of the blade adapter to tap it off the engine shaft.

If this procedure doesn�t work, put the blade bolt back into the engine shaft and tighten it until the head is about � inch from the blade adapter. Use a gear puller to pull the blade adapter off the shaft.

With the blade adapter off the debris shield will slide off the engine shaft.

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Mark T -
Sears Technician
October 09, 2012
A:

ah ok i got ist the piece that the blade is screwed onto hold the blade and the adaptor together i always took the blade off and not the adaptor when changing the blade thanks

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ron -
October 09, 2012
A:

ron,

I am glad this was helpful. Be sure to coat the engine shaft with grease to prevent it from rusting. Please let me know if you need further assistance.

Thank you for using Manage My Life! Mark T.

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Mark T -
Sears Technician
October 10, 2012
A:

ok now that wa sa pain to get had to heat it up to almost reddish color wd-40 and even brok a c clamp getting this adaptor off . now my other question is how do i get the transmission off for the front wheel drive that the trans burnt out i have a new trans and looking for manuals to remove the old one thanks

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ron -
October 16, 2012
A:

Ron,

I will be happy to assist you with replacing the transmission. First, remove the hubcap on each wheel. Then remove the nuts securing the wheels. Once you have the wheels off, you will see a metal gear secured with a c-clip. Use a flat blade screwdriver to remove the c-clip and slid the gear off. Then you have to remove both wheel adjusters. They are secured with two nuts on the inside of the housing. Once the nuts are removed, you can slide the wheel adjusters off. The holes for the wheel adjusters are large enough you can slide the transmission to one side and the axle will clear the housing. Let the axle drop out of the housing and slide it the other direction to remove the assembly.
I hope this is helpful. Please let me know if you need further assistance.

Thank you for using Manage my life. Mark T.

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Mark T -
Sears Technician
October 17, 2012
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