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20 amp fuse blowing

Fuse blows intermitenly then the mowers fine.usually happens after half an hours use,yesterday blow 6 fuses one after another.the fuse was blowing with the machine switched off,after a ten minute rest the mower worked fine again.the mower is 2 years old and as had little use.

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  • 22 Answers

SOURCE: 13.5 OHV B&S won't stay running, blows gas out carb.

Sounds like you have a blown valve. I'm assuming this is a 4 stroke motor, if it was 2 stroke then it would be the reed valves. But either way it's the valves.... unfortunately that will require a mechanic :(

Posted on Jul 19, 2009

  • 1 Answer

SOURCE: briggs and stratton engine blowing fuses

starter overdrawing perhaps

Posted on Aug 02, 2009

  • 1 Answer

SOURCE: I have a problem with a Black and Decker electric

Hello blumph,

I can think of only one or two things that are causing your problems. It could either be approx. a $14.00 switch in the handle that has shorted out, or 2 bad brushes $1.75/ea.on the armature (motor). Both are fairly simple fixes with just a screwdriver and maybe pliers. You might also check and see if the power cord has been chafed or damaged and is shorting out. 

See below for parts:

http://www.ereplacementparts.com/black-and-decker-mm575-electric-lawnhogtrade-mulching-mower-parts-c-4167_9514_9550.html


yurcarguyken@yahoo.com

Posted on Oct 07, 2009

heatman101
  • 43501 Answers

SOURCE: I have a cub cadet

Hi,
There is a wire shorted to ground (metal) somewhere...check all the wiring for a bare spot somewhere... this is causing the short...repalce the wire and you will be good...
finding the bad spot is the hard part...

heatman101

Posted on Aug 13, 2010

  • 51 Answers

SOURCE: the mower turns on fine but when i engage the pto

could have bad pyo switch or pto clutch.make sure every thing turns freely,blades and pullys then unplug clutch and try to enguage if does not blow fuse check clutch with meter. put meter on ohms probe one terminal and other on ground via clutch housing should not have continuety check other terminal to ground.voltage goes in one term and out the other like litebulb if potting (insulator) in clutch is melted wire inside will short on housing.hope this helps

Posted on Aug 15, 2010

  • 1 Answer

SOURCE: pto blows the fuse everytime i engage it on my rzt

Wire harness for the PTO on the RZT's is designed dangerously near the drive pulley. After time, the harness drops and comes in contact with the pulley which grinds through the coating and shorts out the circuit. Repair (tape up) the wiring, relocate the the wire to the opposite side of the crank pulley (may have to zip-tie in place) - shouldn't be a problem anymore.

Posted on Sep 09, 2011

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The 20 amp fuse blows when i engage the pto. cub cadet 1045 20 hp


Pto cluch is shorted to ground
unplug the pto to isolate the pto from the circut,
Does the fuse still blow ?
use a ohm meter to test the plug at the pto
Test each side of plug to pto body or ground if meter goes to zero the cluch is shorted , and is not fixable (sealed unit)
you will have to by a new one I'll say around 50 to 75 dollars

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sounds like your electric clutch is prob bad check to make sure wires are not bare touching something, the clutches do go bad eventually like any other electrical part, disc the pigtail and try fuse, if it blows then I would consider a clutch

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