Model #9172736403 CRAFTSMAN Lawn, Tractor

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electric clutch or engager blows 20amp fuse each time we try to engage blades 9172736403 Craftsman Lawn tractor


How do I replace (put it back) the blade engagement push-pull knob? 9172736403 Craftsman Lawn tractor


We need to know what to do about this same mower, as every time we try to engage the electric clutch for the blades the 20amp fuse blows. Does anyone have an answer?

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linda -
September 25, 2015

I installed a newidler pulley on the deck. After I reinstalled the deck, when I start the mower it runs but will die or shut off when I engage mower or let out 917.2736403


Thanks for the inquiry and for being a valued member.

Your Tractor uses an Operator Presence (seat) switch that will cause engine to stall if blades are engaged or the brake is released without anyone on the seat. If the seat switch is not fully connected or dirty, it will also kill the tractor when the blades are engaged or the clutch/brake is released. 

To check Operator Presence (seat) switch:

Lift seat.

Locate wires that connect to Operator Presence (seat) switch under the seat.

Disconnect and clean any debris in the switch connector. Use an ohmmeter to check the switch. When the switch is not pushed, the reading should be 0 ohms (closed). When pushed it should read OL (open load)

Make sure the connector is fully seated on the seat switch. The connector is a special connector that will short the two wires if it is not fully seated.

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

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Jeff Wallace Sr -
Sears Technician
October 15, 2014

I had the exact same problem with my tractor and after changing the ignition switch and a few other things the problem turned out to be the interlock switch that is operated by the clutch/brake pedal.

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Frank -
September 04, 2015
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