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Craftsman Riding Mower Clutch Related Problem

Boccherini's Avatar

Join Date: Aug 2008
Posts: 1

08-31-08, 02:49 PM   #1  
Craftsman Riding Mower Clutch Related Problem

I have a Craftsman Riding Mower, 15.5 HP, 42" mower deck, Manual clutch. Engine starts and runs, but will shut off when clutch is engaged with the transmission. Model #917-256531.

Any suggestion appreciated.


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Join Date: Mar 2007
Posts: 354

08-31-08, 04:14 PM   #2  
Will it run with the park brake on and in neutral and you off the seat? Sounds like the seat switch is bad and it can be jumpered to test. There are not too many interlock switches for with the engine running.

30yearTech's Avatar

Join Date: Oct 2006
Posts: 1,176

08-31-08, 04:30 PM   #3  
The problem most likely is in the seat switch as previously suggested, however these switches are normally closed, and open when actuated. Putting a jumper wire in the plug, will act as if no one is in the seat and the engine will die when clutch pedal is released or blades are engaged.

To test the seat switch use a multimeter or continuity tester and check the switch for operation. There is a small switch inside the connector plug to the seat switch to insure that the connector is in fact plugged into the switch. If the plug is removed from the seat switch the connector will ground out and cause the engine to die whenever the blades are engaged or clutch is released. This small switch in the connector plug many times causes the problem and not the seat switch itself.

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