My $%### helper put too much pressure while he was sanding. He burned the belt out. I replaced the belt, now it won't spin. If I take the belt off, the motor works fine and the shaft spins, but under pressure it stops.
Someone please help
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The drive belt is a toothed rubber belt, which will be 'thrown off' if there is too much resistance to rotation (pressing too hard, or sanding belt not correctly aligned and rubbing against the side).
To access this, it is not necessary to remove the sanding disc.
Remove the two allen bolts on the top which hold the disc belt assembly (NOT the one that clamps the belt drive disc). The whole assembly lifts off, giving access to the drive belt. It is a bit fiddly, but it can be hooked back on the pulleys and the bolts refitted. Good luck!
Belt can reamin intact but still jam and burn. It won't necessarily break. I suggest you remove the bottom of the vacuum where the bristles spins and where the belt is located. You may have something jammed in there. You may need to remove the bristle to get the belt out. Inspect the belt and replace after clearing the obstruiction.
The pulsing is usually caused by a warped rotor. Rotors warp from quick stops and rapid braking techniques. It could also possibly be a weakening Master cylinder or a leaky diaphragm in the brake boost, but this last would be accompanied by a hissing sound when you hit the brakes. To check the rotors, block the rear wheels and raise the front until the wheels are off the ground. Spin the wheels individually by hand slowly - they should roll smoothly. If they do , have a helper apply very light pressure to the brake pedal with the engine running and again spin the wheel. With the wheel spinning, have the helper apply increasingly more pressure to the brake pedal until it stops the wheel from turning. Now have them back off the pedal slightly so you can spin the wheel again and spin, looking for uneven rolling. Check both front wheels to show which rotor is warped. If either is warped, you'll need to have the rotors resurfaced ( turned) and replace the pads both sides. If they turn smoothly through all of the tests, apply solid pressure to the brake pedal until you can't push it any farther and hold that pressure. Watch the pedal for sinking. If it sinks, then you either have air in the system or a bad Master cylinder. Bleed the brakes first before you replace the master and do the pressure test again. If you don't find anything at this point, start the engine and do the brake pressure test again. If the pedal sinks, then you may have a vacuum leak in the booster and will need to do a vacuum test on the booster to make sure, since that job is usually hard to do and may be costly, depending on the style of booster you have. Hope this helps!!
Disk's and pads are the same thing,Brake pads,Brake disk. Are you meaning the rotor? If you are the answer is yes,you don't have to replace the rotors unless you have a rotor brake vibration when you are applying the brakes on your car. If you do want to change rotors later,you can but remember to take sand paper to the previous new pads,because they were used and got hot and hard they will now score the new rotors,that is why you sand the pads.
Had the same problem on a machine I worked on. Changed the belt... was burnt and broken. Second time I replaced the belt, I ran it through all of the cycles and listened to it on SPIN cycle.. Although it's spinning.. it's making an extremely LOUD noise... It's the Spin bearing that is gone out. When a load is put in, and in spin cycle, the bearing is oveloaded..(being dry).. and putting extreme pressure on the motor and belt. When the drum reaches a point where the bearing just won't spin, the belt stops, and spins on the motor pulley, wearing it through.. (And smoking a great deal).. until it breaks.. again. I believe the top "Spin bearing" is about 75.00 or so.. and a BEAR to replace. Hope this helps
Drive is on its way. Typical behaviour. Try air dusting lens but unlikely to fix it. Very easy diy repair and cheap. EBay the new disc drive or refurbished. Then go to youtube. Nearly all laptop drives are the same to replace no matTerry brand. You could even get a faster drive.