FEC
9 Maintenance and cleaning
BAL.0533.0 • 2019-11-15
EN - 17
Check the following:
Service life of carbon brushes
The carbon brushes have a service life of approx. 800 hours. The service life is reduced by 30% each time a carbon brush
is replaced. The carbon brushes can be replaced twice in total. After two replacements, the motor must then be replaced.
Every day
Every month
Every year
• Visual inspection:
Fume extraction system or parts of
system damaged?
• Visual inspection:
Filter untight or dirty?
(trails of dust or deposits on the air
outlets)
9.4 Changing the filter on
page EN-20
• Visual inspection:
Dust in the turbine area?
Remove dust using an industrial
vacuum cleaner or a damp
disposable cloth.
• Visual inspection:
Cable connections damaged?
• Visual inspection:
Exhaust air filter untight or dirty?
9.4.3 Replace the exhaust air filter
on page EN-22
• Check that the dust collecting
drawer
is air tight.
• Filling level of the dust collecting
drawer
9.3 Emptying the filter housing on
page EN-19
• Visual inspection of the FEC filter
pad:
Filter not tight or dirty?
9.4.4 Changing the FEC filter pad
on page EN-23
• Visual inspection:
Are the seals damaged?
• Deterioration of the carbon brushes
Service life of carbon brushes on
Tab. 9
Maintenance intervals