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Cleaning (customer) Cleaning and maintenance
Checking the seal on the maintenance cover
Check if the seal on the maintenance cover is intact
and replace if necessary.
Fig. 2-53: Seal
CAUTION!
Do not operate with damaged seals
Never operate the boiler with damaged seals.
Otherwise, unwanted air is sucked in, disturbing the
combustion process and causing increased wear.
Always replace damaged seals immediately.
Installing the maintenance cover
Re-attach the maintenance cover. Tighten the screws
alternately and evenly.
Fig. 2-54: Maintenance cover
Place the insulation back onto the maintenance cover.
Fig. 2-55: Insulation
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