Cleaning and maintenance
Maintenance (expert)
23
Carefully clean the impeller of the draught fan with a
soft brush (not a wire brush) or with compressed air, so
that the impeller does not move out of #balance.
Replace the seal on the draught fan.
Fig. 2-45: Clean impeller; replace seal
Lubricate the screws with heat-resistant lubricant and
reattach the draught fan to the fan housing. Tighten the
screws evenly. The plug connection must point to the
right when viewed from behind the precipitator.
2.6.5
Clean temperature sensor
Clean flue gas temperature sensor
To clean, loosen the screw and pull out the flue gas
temperature sensor. Clean the sensor with a soft cloth
and then re-install it. When fixing the temperature
sensor in place, only tighten the screw hand-tight so as
not to damage the sensor.
Fig. 2-46: Flue gas temperature sensor