eta ePE-K 100-130 kW, Service Manual, Page: 31 / 44

Cleaning and maintenance Maintenance (expert)
31
Use an ash vacuum to remove the ash from the area
behind it.
Fig. 2-71: 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. 2-72: Seal
Remount the primary air valve back onto the boiler.
Tighten the screws alternately and evenly.
Fig. 2-73: 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. 2-74: Actuator for primary air
Actuate the actuator for the secondary air manually
and check that it moves smoothly.
Fig. 2-75: Actuator for secondary air
For manual actuation, push the unlocking device (red
button) and turn the drive 90° with the locking screw.
Fig. 2-76: Manually actuating the actuator