United States Stove 5040 Manuale Utente

18

MAINTENANCE 

CHIMNEY CLEANING
a. 

Creosote Formation – When any wood is burned slowly, it produces tar and other organic vapors, which combine with 

expelled moisture to form creosote. The creosote vapors condense in the relatively cool chimney flue or a newly started 

fire or from a slow-burning fire. As a result, creosote residue accumulates on the flue lining. When ignited, this creosote 

makes an extremely hot fire, which may damage the chimney or even destroy the house. Despite their high efficiency, 

pellet stoves can accumulate creosote under certain conditions.

b. 

Soot and Fly Ash: Formation and Need for Removal - The products of combustion will contain small particles of fly 

ash.  The fly ash will collect in the exhaust venting system and restrict the flow of the flue gases.  Incomplete combustion, 

such as occurs during startup, shutdown, or incorrect operation of the room heater will lead to some soot formation which 

will collect in the exhaust venting system.  The exhaust venting system should be inspected at least once every year or 

ton of pellets burned to determine if cleaning is necessary.

c. 

Inspection and Removal – The chimney connector and chimney should be inspected annually or per ton to determine 

if a creosote or fly ash build-up has occurred. If creosote has accumulated, it should be removed to reduce the risk of a 

chimney fire. Inspect the system at the stove connection and at the chimney top. Cooler surfaces tend to build creosote 

deposits quicker, so it is important to check the chimney from the top as well as from the bottom.

The creosote should be removed with a brush specifically designed for the type of chimney in use. A qualified chimney 

sweep can perform this service. It is also recommended that before each heating season the entire system be professionally 

inspected, cleaned and, if necessary, repaired.

To clean the chimney, detach the vent at the combustion blower transition where it is attached to the blower.
RECOMMENDED MAINTENANCE SCHEDULE
Use this as a guide under average-use conditions.

Gasket around door and door glass should be inspected and repaired or replaced when necessary.

(See 

“REPLACEMENT PARTS”)

REMOVAL AND REPLACEMENT OF BROKEN DOOR GLASS
While wearing leather gloves (or any other gloves suitable for handling broken glass), carefully remove any loose pieces of 

glass from the doorframe. Dispose of all broken glass properly. Return the damaged door to your US Stove Dealer for repair 

or replacement.
Neither the appliance owner nor any other unauthorized person(s) should replace the door glass. An authorized US Stove 

dealer must perform all repairs involving door glass.

Burn Pot

Stirred

Emptied

Glass

Wiped

Cleaned

Combustion Chamber

Brushed

Ashes

Emptied

Interior Chambers

Vacuumed

Heat Exchange Tubes

Two passes

Combustion Blower Blades

Vacuumed / Brushed

Convection Blower Impeller

Vacuumed / Brushed

Vent System

Cleaned

Gaskets

Inspected

Hopper (end of season)

Emptied and vacuumed