Reworking the slots
● If the commutator is skimmed, the slots should also be remachined, e.g. with a special saw.
The following diagrams give the recommended slot dimensions.
Image 9-2
Reworking the slots
● Depending on the method used to machine the slots, it is useful to machine an undercut
as shown in the diagram below (detail X) when the commutator is skimmed. This undercut
must not be deeper than 1 mm for the smallest permissible commutator diameter.
Image 9-3
Final work on the commutator after skimming.
Final measures
● After the commutator has been reworked, adjust the brush rocker and the brush holder
9.1.11
Maintaining terminal boxes
Requirement
The machine is de-energized.
Checking for tightness
● Terminal boxes must be regularly checked for tightness, undamaged insulation, and tight
terminal connections.
● If dust or humidity have infiltrated the terminal box, this should be cleaned and dried
(particularly the insulators).
Maintenance
9.1 Inspection and maintenance
SIMOTICS DC 1GG6
Operating Instructions 02/2016
93
Summary of Contents for SIMOTICS DC 1GG6
Page 2: ...08 02 2016 10 27 V4 00 ...
Page 12: ...Table of contents SIMOTICS DC 1GG6 12 Operating Instructions 02 2016 ...
Page 14: ...Introduction 1 1 About these instructions SIMOTICS DC 1GG6 14 Operating Instructions 02 2016 ...
Page 70: ...Commissioning 7 8 Switch off SIMOTICS DC 1GG6 70 Operating Instructions 02 2016 ...
Page 82: ...Operation 8 9 Faults SIMOTICS DC 1GG6 82 Operating Instructions 02 2016 ...
Page 104: ...Maintenance 9 2 Repair SIMOTICS DC 1GG6 104 Operating Instructions 02 2016 ...
Page 138: ...Service and Support SIMOTICS DC 1GG6 138 Operating Instructions 02 2016 ...
Page 142: ...Quality documents SIMOTICS DC 1GG6 142 Operating Instructions 02 2016 ...
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