18
Maintenance
E454EN_04.DOC
Punches can be resharpened as long as they do not become
shorter than the minimum length specified.
•
Regrind the grinding surface in accordance with the preceding
diagram, making sure that it is well-cooled during the process.
•
Lightly apply fine-grained oil stone to the cutting edge.
•
Observe a minimum length of 51.5 mm. Shorter punches must
be replaced (risk of collision).
Note
Dies can not be resharpened.
5.4 Replacing carbon brushes
The motor comes to a standstill when the carbon brushes are worn
out.
¾
Have the carbon brushes checked and replaced as needed by
a trained technician.
Note
Only use original replacement parts and take note of the
information on the rating plate.