16
www.eta.co.at
Every 3000 hours / annually
Cleaning and maintenance
Check protective elements and grate elements
Check the protective elements for damage or warping
on both sides of the moving grate.
Fig. 2-20: Protective elements
Also check the individual grate elements for damage.
Fig. 2-21: Grate elements
Visual check of the ash cross screw
From the combustion chamber, visually check the ash
cross screw for damage.
Fig. 2-22: Ash cross screw
Checking the grate ash screw
Lift up the panel slightly and remove from the boiler.
Fig. 2-23: Cover panel
Take off the maintenance cover by loosening the
screws and nuts.
Fig. 2-24: Maintenance cover
Carry out a visual check and remove any possible
foreign bodies (nails, stones...).
Fig. 2-25: Grate ash screw
Inspect the seal of the maintenance cover to ensure it
is in good order, and replace if necessary.
WARNING!
Never operate the boiler with defective seals.
Clean roller guide of the moving grate
Clean the 4 rollers as well as the guides of the moving
grate and check for any possible foreign bodies.