Page 95
Issue 05/2013
Maintenance and care
Maintenance overview
8.2
Maintenance overview
Interval
Maintenance work
Executed by
every work
day
Insulation monitor
>
Check where available.
Ö
Check insulation monitor, page 91
user
monthly
Generator
>
Visual inspection for contamination or
damage. Clean where necessary.
>
Check the information and rating plates,
where necessary clean or replace them.
>
Check the cooling air openings for
contaminants and blockages, clean where
necessary.
Ö
Visual checks / cleaning work, users,
user
Switch box (if installed)
>
Visual check for contamination or damage.
Clean where necessary.
>
Check the cover and power socket cover to
ensure they are sealed tight.
Ö
Visual checks / cleaning work, users,
user
every 1,000
operating
hours
For brush generators
>
Check carbon brushes.
Ö
Check / replace carbon brushes (only for
qualified
electrician
every 5,000
operating
hours
>
Check ball bearing using a “sound check”.
>
Replace if necessary (rough running noises of
the bearing).
qualified
electrician
every 20,000
operating
hours
>
Replace the ball bearings.
The standard maintenance interval for
replacement of the ball bearing is 20,000 hours.
>
Replace the ball bearing earlier (check every
5,000 hours) where necessary.
Ö
Check / replace carbon brushes (only for
manufacturer
Summary of Contents for BG 132
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Page 126: ...Synchronous generators of series DGG DWG and WG Issue 05 2013 Page 126...
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