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V. Maintenance
A. Cleaning
Wear heavy gloves and clothing and safety glasses as metal, firebrick and ashes will be hot.
Moisture combined with ash will eat through a boiler in short order and ash corrosion is NOT
covered under warranty.
Clean ash out frequently enough to prevent any “caking”.
Caution! Follow procedures as
outlined in “Loading Wood” (previous section) for opening the fuel door.
Caution! Only perform the following cleaning operations when the boiler is shut down and
there are no coals left in the firebox or flammable gases may be produced and ignited!
Inspect weekly and clean the refractory and heat exchanger tubes using the following
procedures, less often as experience shows otherwise:
Remove front and rear upper access covers (3/4” wrench provided) to clean upper and rear heat
exchanger tubes (chimney brush and fiberglass extension rod provided).
Open front lower refractory door and remove inner insulating cover and also remove the rear lower
access cover (9/16” wrench provided) to
gently
remove ashes from upper and lower refractory
channels and ash from cleaning the rear heat exchanger tubes (small custom hoe provided).
Use
care not to dislodge any firebrick. Do not push on rear firebrick.
Close all doors and covers securely once cleaned and follow the procedure in the “Starting A Fire”
section to re-start the boiler.
B. Disposal Of Ashes
Ashes should be placed in a metal container with a tight-fitting lid. The closed container of ashes
should be placed on a noncombustible floor or on the ground, well away from all combustible
materials, pending final disposal. If the ashes are disposed of by burial in the soil or otherwise
locally dispersed, they should be retained in the closed container until all cinders have thoroughly
cooled. Other waste shall not be placed in this container.
C. Creosote - Formation And Need For Removal
When wood is burned slowly, it produces tar and other organic vapors, which combine with expelled
moisture to form creosote. The creosote vapors condense and accumulate in the relatively cool
chimney flue of a slow-burning fire. As a result, creosote residue accumulates on the flue lining.
When ignited this creosote makes an extremely hot fire.
The chimney and any connectors must be inspected at least twice monthly during the heating
season to determine if a creosote buildup has occurred. If creosote has accumulated (3mm or
more) it should be removed to reduce the risk of a chimney fire.
Smaller, more frequent loading and dry, seasoned wood will help limit this. A small and intense fire
is preferable to a large smoldering one to reduce the amount of creosote deposition.
If a soot or creosote fire occurs, keep all doors closed and run the boiler normally until all wood
burns out then shut the boiler down and clean any soot or creosote deposits. Have a clearly
understood plan to handle a chimney fire.
All creosote and ash must be cleaned from the entire boiler frequently as ash mixed with moisture is
very corrosive and will shorten the life of the boiler if not maintained properly. Be aware that the
hotter the fire, the less creosote is deposited, and that weekly cleanings can be necessary in mild
weather, even though monthly cleanings can be enough in the coldest months.
Check frequently for
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