Murray brake system

Robert Osborne

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Just picked up a explorer and brake system was not there. I have already bought the mechanical brake caliber but I'm not understanding how to hook it up or what parts I need for it. I hooked up some 9wire from rod to caliber but once brakes are hit they do not come back. As in the peddle does not retract back to original position
 

Kent

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There should be a spring at the base of your brake pedal to aid return. I'm not sure how a mechanical caliper sets up but I assume there should be a spring attached to the caliper as well (for return). If you add a couple photos to your post the members here will be able to advise you of exactly what to do. Good luck with your explorer.
 

Robert Osborne

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There should be a spring at the base of your brake pedal to aid return. I'm not sure how a mechanical caliper sets up but I assume there should be a spring attached to the caliper as well (for return). If you add a couple photos to your post the members here will be able to advise you of exactly what to do. Good luck with your explorer.
This is what im working with.
 

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Kent

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I'm not sure if you can use a cable or wire set up to connect your foot pedal to the mechanical brake caliper. I don't think it is usually done in that manner. I think most people make the connection with a rod running to the rear and a linkage to transfer the pressure from your brake pedal to the caliper. The link below shows a set up for a drum style brake system. I think this is pretty much the same set up you need to fabricate.


You can also see a pedal return spring on their kart. Does your throttle pedal have a return spring? If so the brake pedal should be set up the same way.

I would go with hydraulic brake if you can afford it. They are stronger and much easier to install. Might be what your kart had on it before. I can't tell from the pixs. Is your kart a live axle?? Live axle karts appear easier to install brakes on as the brake doesn't have to connect to one of the wheel hubs. The live axle set up brakes the whole axle thus putting brake power into both rear wheels.
 

Robert Osborne

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Return spring in the rod itself behind seat for throttle. Hydraulic be nice but trying to work with what I got. Driving me crazy trying to figure it out though
 

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mckutzy

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Linkage can be a pain with these brakes...But doable..
Can put a spring on the linkage, pedal and the caliper lever, all will help but if anything the pedal and the lever...

Since this is a new caliper, youll need to sand the pads to match the disc(be cautious as this is brake dust and can be bad stuff) and sand the disc to resurface the faces(can use a grinder with sanding disc to resurface)...
Make sure the caliper is lubricated in the grooves of the caliper and also on the bracket where it rides in, aswell as the lever and piston area(just a dab, thats all that is needed here...).
 
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