Old DC Motors not used
Old DC Motors not used
(OP)
Dear Experts
We have a few old DC motors (see pictures) that have not been used for many years.
Can anyone tell me how to proceed to put them back in working conditions?
As you can see the windings are in very bad shape (dirt, rust and moisture acummulation)
Thanks in advance!




We have a few old DC motors (see pictures) that have not been used for many years.
Can anyone tell me how to proceed to put them back in working conditions?
As you can see the windings are in very bad shape (dirt, rust and moisture acummulation)
Thanks in advance!









RE: Old DC Motors not used
Muthu
www.edison.co.in
RE: Old DC Motors not used
Bill
--------------------
"Why not the best?"
Jimmy Carter
RE: Old DC Motors not used
RE: Old DC Motors not used
Muthu
www.edison.co.in
RE: Old DC Motors not used
1st clean as good as possible using vacuum machine, light brush and air gun
2nd Dry for 3 hours at oven at 105 ºC
3rd Varnish the whole windings
4th Dry at oven for 2 hr at 80 ºC
RE: Old DC Motors not used
Bill
--------------------
"Why not the best?"
Jimmy Carter
RE: Old DC Motors not used
"You measure the size of the accomplishment by the obstacles you had to overcome to reach your goals" -- Booker T. Washington
RE: Old DC Motors not used
Muthu
www.edison.co.in
RE: Old DC Motors not used
RE: Old DC Motors not used
IR value. Bar to bar DC resistance. Surge comparison test. Commutator roundness.
Both Field windings
IR value. DC resistance. AC pole drop test and/or Surge comparison test.
Brush holders
IR value.
Muthu
www.edison.co.in
RE: Old DC Motors not used
Good luck !
RE: Old DC Motors not used
So it has been fully rewinded and it is working OK