The Shop > Tools
X3 Milling machine Motor Overheating and tripping house RCD
lordedmond:
Thanks John
Hoping you would drop by and help out
I was concerned when Chris said it tripped when he touched the machine.
yes a leaky armature will do it bad brush holder to earth would not do it because if memory cell is OK the end bell were plastic , or I would suspect a carbon build up
These little doc jobs are a wee bit small for me after working on 75hp jobs during the year I spent in the winding dept
Stuart
John Rudd:
--- Quote from: Stuart on December 02, 2015, 10:16:15 AM ---Thanks John
Hoping you would drop by and help out
I was concerned when Chris said it tripped when he touched the machine.
yes a leaky armature will do it bad brush holder to earth would not do it because if memory cell is OK the end bell were plastic , or I would suspect a carbon build up
These little doc jobs are a wee bit small for me after working on 75hp jobs during the year I spent in the winding dept
Stuart
--- End quote ---
Not a problem Stuart, but I'm far from your level of expertise..... :zap:
raynerd:
OK, motor removed, turns freely without the belt and with it on. Brushes are fine - making good contact with plenty left - not looking dirty.
I have time later when the kids are in bed but does it look like it is time for a new motor?
£160 from arc eurotrade - two lots of xmas presents and both birthdays in the same month - no chance I can get a motor! If I remove the end cap will that show me anything more...
lordedmond:
Not really without test gear . If you do mark it if you get it back 1 degree out the motor will not run correctly .
before you shell out have you done the test John recommended it's important to isolate the problem .
Have you run the motor off the machine but still connected to the controller . Note if you mix up the two wires the motor will only run the wrong way no other problem
As a side note I did read on this forum or MEM that ARK will test the motor and controller for you for a small fee worth ringing to see how the ground lies
Stuart
John Rudd:
--- Quote from: raynerd on December 02, 2015, 02:09:45 PM --- If I remove the end cap will that show me anything more...
--- End quote ---
A long shot, there might be capacitors, one each connected to each brush and earth( casing )....
Otherwise a photo mught help us....
Chris,
Just read Stuarts post re testing, I can test the controller and motor for the postage costs...but you need to do the light bulb test first....
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