Mecc Alte ECO-ECP Série Manuel D'instruction Et De Maintenance page 23

ECO - ECP MANUAL
ENGLISH
MAINTENANCE
INSTRUCTIONS TO REPLACE THE DIODE
When the values measured point out a diode damaged, it is ne-
cessary to replace the component.
For this purpose it is recommended to not pull the rheophores
out from their locations, but to cut them near to the body of the
component; then fit in the new component respecting the polari-
ty and soft solder accurately the rheophores with the pieces re-
mained in their locations.
e) Replacement of exciter
Generator versions 28-31-32-34.
Follow these instructions to remove exciter of the 28-31-32-34
versions:
-) remove front lead
-) Use a lifting device equipped with soft ropes of an adequate
lifting capacity to extract rotor. Make sure that the lifting devices
are suitable for the weight of the parts to be shifted
-) Use a puller to pull out bearing
-) To remove the exciter rotor, use a suitable puller, which can
be easily constructed or forwarded by the manufacturer upon
request.
Generator versions 38-40-43-46.
To remove exciter of the 38-40-43-46 versions, there is no need
to disassemble the entire generator, however, you must follow
the instructions below:
-) Remove real seal
-) Disconnect the five wires of the rotating diode bridge
-) When dealing with the 38 versions, remove clamp screws
from sectors; whilst when dealing with the 40-43-46 versions,
remove clamp bolt and, by pulling it gently, pull out diode bridge
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ECO-ECP iMANUAL December 2013 Rev. 03