eta ePE-K - Primary Air Valve Area Cleaning; Air Valve Actuator Check

32 www.eta.co.at
Maintenance (expert) Cleaning and maintenance
Clean the area behind the primary air valve
Remove the primary air valve and the housing.
Fig. 2-71: Primary air valve
Use an ash vacuum to remove the ash from the area
behind it.
Fig. 2-72: Remove ash
Inspect the integrity of the seal and replace it if
necessary. A glued ceramic fibre seal can also be used
as a seal.
Fig. 2-73: Seal
Remount the primary air valve back onto the boiler.
Tighten the screws alternately and evenly.
Fig. 2-74: Primary air valve
Checking the air valve for primary and secondary
air
Actuate the actuator for the primary air manually and
check that it moves smoothly.
Fig. 2-75: Actuator for primary air
Actuate the actuator for the secondary air manually
and check that it moves smoothly.
Fig. 2-76: Actuator for secondary air