Normally
the catalytic combustor requires little or no maintenance. Because it generates such high temperatures
it is basically self-cleaning.
After
the first burning the combustor should have a light gray powdery appearance.
Should
the combustor’s cells become masked with fly-ash, use a paintbrush or
soft-bristled brush
and dust the combustor gently.
Never use anything abrasive to clean the
combustor. A vacuum cleaner may be used,
but Never use high pressured air to blow the
cells free of any build-up. Any cell
blockage can be removed with the use of a pipe cleaner or a cotton swab.
Should
the combustor become masked with soot or creosote it is possible to burn the
accumulation off by opening the by-pass and building a hot fire. Once the hot fire is created, close the
bypass halfway and burn for 30 to 60 minutes with the bypass in this position.
ACI
suggests, it would be wise to check and clean the combustor, if necessary,
before the burning season begins.
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