Dewalt DW744S 10" Portable Table Saw with Stand "armature commutator" Questions

...commutator bars causing excessive heat and 2 the armature is shorting out 3 the armature is touching the field shoes from worn out bushes/ bearings ( poling out). have an appliance electrician check ...

...commutator of the armature As stated by the other helper the segments of the armature can lift or go dead which makes the brushes arc when they stop conducting as they hit the dead segment and then ...

...and look for uneven wear or discoloration on the commutator of the armature. UNPLUG TOOL FIRST. Let me know the model number and brand and I will try and find a breakdown and see what I can do to ...

...armature commutator needs cleaned and the more expensive is that it needs replaced. This is a problem unless you want to tackle taking the motor partially apart. Let me know what route you want to ...

...commutator. This is an indication of either worn brushes or an armature that is failing and if used further, will burn out. First check the brushes and look at the condition of the commutator. These ...

...- they are either worn low or the brush tubes are causing them to stick so they don't contact the armature - this is why it starts when you 'rap' it. Running slow can be a bad armature or field

...armature, using the same set up on the meter, hold one probe on the commutator. the commutator is at the end and is made up of copper rectangles. put one leed on one rectangle and then use the other ...

commutator on the armature and make sure it is not burnt. If armature and brushes look fine my guess is you have a bad field (very common problem in this tool) #1619PA5590 http://www.ereplacementparts

...armature is touching those shoes and that indicates misalignment of the end plates some units have a small capacitor in the system to reduce the arcing by absorbing the current as the commutator bars ...

...a grinding sound I would suggest that the bearing has failed and the armature is poling out on the field shoes another problem may be that the brushes are gone and the commutator bars are badly ...