I have a 1994 G4000 craftsman riding lawn mower i got it running but when i let off the pedel the engine shuts off the switch for the brake/clutch is fine and i replaced the selonoid and key start also the rely switch for the mower deck is fine and i replaced the fuse how can i drive it what is my problem?

Craftsman Garden Tractor 917.28746 Engine shuts off when ...

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Craftsman Garden Tractor 917.28746 Engine shuts off when engaging mower deck. 917.28746 ... Then start the tractor and pull the pto button out. If the engine ...

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you have a bad safety switch on the clutch/brake pedal

There are other safety switches as well. The electrical diagram shows (2) of the interlock switches (part no. 16 in diagram) in the electrical system. The location of the 2nd one could be on the transmission or the clutch/brake pedal. It could also be on the PTO system (blade actuator if you will). See if you can find the other switch on your unit. I have an LT1000 and have NOT looked for them. Here is an electrical diagram on your unit.

http://www.searspartsdirect.com/partsdirect/part-model/Craftsman-Parts/Riding-mower-tractor-Parts/Model-917273751/0247/1509200/P0403265/00001?blt=06&prst=&shdMod=

Hi and welcome to FixYa. I am Kelly.

Here are the 3 safety switches.
Seat
Clutch Brake
and PTO Clutch

More ofthen than not the PTO Clutch gets a gap greater than 0.020 between the clutch and the clutch plate and the safety switch is not made. There are 3 bolts with springs and 3 slots in the PTO clutch. Adjust the tension on the springs until the gap is 0.020. Then try a start.

If it does not work:
Check out this diagram.. it is for your mower:
http://c.searspartsdirect.com/lis_png/PLDM/P0905008-00011.png

I found your particular model here: http://www.searspartsdirect.com/partsdirect/part-model/Craftsman-Parts/Riding-mower-tractor-Parts/Model-917288030/0247/1509200/P0905008/00011?blt=06&prst=0&shdMod=917288030

Parts can be located by choosing the diagrams under the small schematic. I think if you adjust the clutch you will be fine. The seat has to be occupied / switch shorted and the clutch brake pedal made to get power to the solenoid.

Respond ehre is you need more help.... Better yet let me know if the PTO clutch adjustment corrected the problem.

Thanks for choosing FixYa,
Kelly

There is a safety switch in the seat that shuts the mower off if there is no rider. The mower stays running when the rider gets up ONLY if the brake is set. The switch under your seat is broken and cannot sense that a rider is on the seat. Therefore, the engine can only run when the brake is set. Depending on the mower, the two wires need to be connected (or disconnected) when a rider is in place. I do't know what mode your mower needs but it shouldn't take long for you to figure it out.. The safest thing is to confirm the seat switch is the issue then change the seat if replacements are available. Good luck Please rate me Mark

This is a shot in the dark. I think you have a failed "operator presence safety switch". Rule this out by finding the switch and jumping it.

Your mower should run with no one in the seat IF THE PARKING BRAKE IS SET.

If the brake is released and no one is on it, it should shut off.

If you are on it and the brake is released you should be able to engage the blades (probably an electric clutch)

Purpose of this interlock is the shut the machine OFF should you fall off or jump off the machine. Do not disable this valuable safety feature.

Let me know what you find.

Thanks for your question @ FixYa.com

the safety switch is under the frame of your mower look under the frame follow the clutch rod then you will find the switch.

try and find a relay, near the engine, which is connected to the safety switches attached to the seat and clutch/brake pedal. you may find that relay to be bad, or you need to replace or short the safety switches. If you short them, might be a safety issue as the engine and blades will run unattended. Seems to be a very common problem with craftsman lawn tractors.

Your seat safety switch is bad or broken. Check the wire connecting to the switch and make sure they have not rubbed through anywhere.
Disconnect the switch and try running the mower again. If the switch is bad the mower will continue to run.
Good luck.
Let me know.
Regards,.

Your answer was perfect, when I located the saftey switch it was not working properly.

Thanks a million, Ron