Motor brushes bad

Based on your description you should purchase new motor brushes for both motors and replace them. This will be a short term improvement. You should block up the chair in the air and run in the brushes by taping the joystick forward and running the motors forward for 1 hour and in reverse 1/2 hour NO LOAD. This will seat the brushes on the armature, that is, get a curve on them. If your budget allows, prepare for motor gearbox replacement in the next year.

Watch not spraying

This is almost certainly either bad motor brushes on the right motor, a bad right motor connection, or a bad right motor itself. Check the motor brushes, if the look good(good springs, no discoloring, etc.) Then you need a multimeter to check the motor connections to isolate the problem.

There are no brushes available for this model, if the brushes are worn that bad the motor will be just about worn out as well, new motors are available.

You shouldn't have to buy a new motor just because the brushes went bad, someone makes the brushes to put in new motors

The problem could be bad brushes. Otherwise, you are probably burning the windings inside your motor. The slight banding noise could be an issue with the bearings in the motor itself. In which case you will soon be replacing the motor, so... we'll hope the brushes prove bad.
Assuming the motor has brushes, there will be 2 semi-large buttons on the motor (one on each side). They are screws. Remove them and beneath each one is a "brush". They should be long, hard, crack free, and smooth on the bottom where they touch the rotor. If not, then replace them. Almost all motors used for tools have brushes and some motors require disassembly of the motor itself to replace the brushes, but in your case, it should be an easy job. I can see one of the buttons on the Amazon picture.
:o)

You need an AC voltmeter to trace the problem with the switch. It can also be a bad motor brush/spring--these saws are great for killing motor brushes, and there are virtually no replacements available as Remington has ceased saw operations. If it is a bad brush, visit an electrical tool shop to see if they have something that will work from a different brand of tool. Good luck!

If the motor on the power brush is running the belt is bad, if the motor on the power brush only runs when you push the overload, the overload is bad.

hi there......this problem is usually related to badly worn brushes in the motor...a quick way to check this is.....(1) remove the machine from its position...bringing it foward enough to tilt it back sufficiently allowing you access to the botom of the machine...(2) insect the motor for signs of black carbon dust...indicating brush ware....gently tap the motor with a small hammer...or suitable object....stand the machine uright again...select spin....run machine....if all is ok machine will run indicating a set of replacement carbon brushes are required....failure to run indicates brushes very badly worn and possibility of damaged motor...remove the rear panel of the machine...remove the belt...remove the motor for inspection..of armature and brushes...any burn or discolouring marks on the copper brush track...indicates a failed motor..which will require replacing....

regards Sir Galahad

there's a short circuit on the motor armature.. needs replacement but it can be repaired depending on the problem.