GTS BG 132, Installation And Operating Manual

Page: 98 / 128

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Issue 05/2013 Page 98
Maintenance and care
Maintenance work, authorised technicians
8.4.1 Check / replace carbon brushes (only for brush generators)
For brush generators, the carbon brushes must be removed and inspected
every 1,000 operating hours by qualified technicians, as described below.
If the carbon brushes are run down by more than a half, replace the entire
carbon brush holder. The carbon brushes cannot be replaced individually.
Remove the carbon brush holder (s)
>
Unscrew the two M8 x 45 screws, wrench size 10 mm, [2] .
>
Remove the sleeve [1] .
>
Remove both connection lines from the connecting lugs of the carbon
brush holder [3] . The connection lines are coded by the size of the
connecting lugs thus protecting them against being swapped.
Ö
Fig. 29, Check and replace carbon brushes as needed, page 99
>
Unscrew the mounting screw of the carbon brush holder and remove the
carbon brush holder [3] .
1
2
3
Fig. 28 Removal of carbon brush holder