eta ePE-K 100-130 kW, Service Manual, Page: 30 / 44

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Maintenance (expert) Cleaning and maintenance
2.6.4 Check ash box position switch
Checking the ash box position switch
Check the function of the position switch for the ash
box. It must be actuated when the ash box is attached.
Fig. 2-67: Position switch for ash box
2.6.5 Check air valve
Dismantling the side covers
Remove the side covers from the side of the boiler on
which the stoker is mounted.
Fig. 2-68: Side covers
Removing the cover on the ash duct
Remove the cover on the front of the ash duct.
Fig. 2-69: Cover
Clean the area behind the primary air valve
Remove the primary air valve and the housing.
Fig. 2-70: Primary air valve