Synchronous Generators BG 132 and BG 160
Synchronous Generators BG 132 and BG 160
Synchronous Generators BG 132 and BG 160
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<strong>Synchronous</strong> <strong>Generators</strong> <strong>BG</strong> <strong>132</strong> / <strong>BG</strong> <strong>160</strong><br />
Chapter 6, Maintenance<br />
6.1 Maintenance overview<br />
Interval Maintenance operation To be performed by<br />
Every<br />
working day<br />
Monthly<br />
Every 1.000<br />
hours of<br />
operation<br />
Every 5.000<br />
hours of<br />
operation<br />
Every 20.000<br />
hours of<br />
operation<br />
Check the correct function of the insulation<br />
monitoring unit (if available).<br />
See section 5.6.3 on page 84.<br />
At the generator:<br />
• Visual inspection for contamination or<br />
damages. Cleaning if necessary.<br />
• If necessary, clean the plates <strong>and</strong> labels<br />
or replace them.<br />
• Check the cooling air openings for<br />
contamination or blocking <strong>and</strong> clean<br />
them, if necessary.<br />
See section 6.3 on page 88.<br />
At the control box (if mounted):<br />
• Visual inspection for contamination or<br />
damages. Cleaning if necessary.<br />
• Check the cover <strong>and</strong> the socket lids for<br />
waterproof locking.<br />
See section 6.3 on page 88.<br />
Only for brush-type generators:<br />
Check the carbon brushes<br />
See section 6.4.1 on page 89.<br />
Check the ball bearings by "listening".<br />
Replace, if necessary (rough noises at the<br />
bearings).<br />
User<br />
User<br />
User<br />
Qualified<br />
electrically skilled<br />
person<br />
Qualified<br />
skilled person<br />
Replace the ball bearings<br />
Manufacturer<br />
The st<strong>and</strong>ard maintenance interval for<br />
replacing the ball bearings is 20.000 hours.<br />
If necessary (see check every 5.000 hours),<br />
the ball bearings have to be replaced earlier.<br />
See section 6.4.2 on page 91.<br />
86 Issue date: August 2002