
20
www.eta.co.at
Maintenance (expert)
Cleaning and maintenance
2.6.4
Check de-ashing
Removing the panels
Remove the panels on both sides from of the bottom of
the precipitator. The drives for the sliding rakes are
located behind these.
Fig. 2-45: Panel
Fig. 2-46: Panel
Check the drive chains and the position switches
of both sliding rakes
Perform these steps on both sides of the precipitator.
Check the chain tension. The chain may sag by 1 -
2 cm without effort. The chain is tensioned by shifting
the motor. Lubricate the drive chains with chain spray.
Fig. 2-47: Drive chain of the sliding rakes
Fig. 2-48: Drive chain of the sliding rakes
Check whether the position switches are actuated.
Fig. 2-49: Position switch