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Cleaning and maintenance for your Metro wood fire - continued
Side bricks
Hair-line cracks are not uncommon and are a result of the intense heat within
the Metro's firebox, coupled with mechanical damage caused by accidental
impact when fuel is being loaded. However if the side bricks become cracked
to the extent that they start to break up, they must be replaced.
Door adjustment
Provision is available on both sides of the door for adjustment.
To adjust the hinge end of the door, open the door fully, loosen the top
hinge nut and slightly lift the latch end of the door; you will see the hinge
assembly move back 1-2mm which will usually be sufficient. Retighten,
then repeat by loosening the lower hinge nut, this time applying a slight
downwards pressure onto the door to move the lower hinge assembly back
a similar distance, then retighten.
The door latch is also adjustable, as the latch pin on the right side of the
firebox is fitted through a slot which enables the latch pin to be loosened,
moved back and re-tightened.
Ash removal
Over a period of time ash will build up in the base of the Metro's firebox
and require removal. The time this build-up takes depends on the density
and cleanliness of your fuel.
To remove the excess ash your Metro should not be operating.
•
Open the door, and using a hearth shovel or similar, empty the excess
ash directly into a steel or non-combustible container.
•
If the ash is not disposed of immediately, be careful where you store it,
as the ash can retain heat for many days and become a fire hazard.
•
You must leave a bed of ash in the base of the firebox approximately
10mm deep; this insulates the base of the firebox and improves
combustion.
Top baffle
Your Metro Insert fire has a secondary burn chamber which enables it to
operate at very high efficiency's. This secondary burn chamber is created
by the top baffle which is illustrated on the page 4 of this manual.
This is a 'sacrificial' wear part of the firebox and should be checked
monthly. Usually only the promet (white board) front/underneath section
needs to be replaced when it starts to disintegrate.
To remove and replace your Metro's top baffle, proceed as follows: -
•
Open the Metro's door fully, reach inside with the palm of your hand
face up and extended, lift the top baffle approximately 20mm, then
lift it forward out through the door opening placing it on a sheet of
newspaper you have placed on the front of the hearth. Please Note: -
•
Your Metro Insert fire has a two piece baffle as illustrated on page 4. The
rear baffle section also lifts 'up and out' the same as the front baffle.
•
If your Metro Insert fire is fitted with an internal wetback, to remove
the baffle you will need to remove the fire brick from the opposite side
of the firebox. Then lift the baffle slightly and slide it forward 30mm,
allowing the rear edge of the baffle to drop down in front of the rear
support lugs on the side of the firebox you have just removed the brick
from. The baffle can then be easily removed through the door opening.
12
•
To refit the top baffle. Proceed in the reverse order and note, the baffle
must be fitted so its rear is touching the back of the firebox.
Note: Cracks in the promet are not uncommon and have no adverse effect
on the operation of your Metro. These cracks are the result of intense
heat coupled with expansion and contraction. Burning wood which is not
properly seasoned, i.e. 25% moisture content or more, will over time cause
the promet to disintegrate and require replacement.
Circulating fan (ECO Trend Insert only)
In all clean air zones, the Metro ECO Trend Insert must be fitted with
Metro's ECO Insert fan, This is a single speed, permanently wired and
thermostatically controlled device which runs continuously once the firebox
reaches operating temperature. This fan is designed to run continually for
many years without service, but should be checked monthly to ensure it is
operating. If you are in any doubt regarding the fans operation, refer to your
Metro retailer or a registered electrician immediately.
Flue systems
Should be checked annually, particularly the bottom end of the lower flue
section at its rear lock formed joint. If deterioration is noticed contact your
Metro retailer or installer.
The flue pipe should also be swept a minimum of once a year, or as
required during the winter season. If smoke enters the room when you
open the Metro's door this usually indicates the flue pipe is becoming
restricted and needs cleaning. The frequency of flue pipe cleans depends
on many factors, with the main variables being:
•
The seasoning of the wood. If not properly seasoned you will require
frequent flue pipe cleans.
•
The density of the wood. Softwoods generally result in more deposits
building up in the flue pipe.
To clean the flue pipe of your Metro, proceed as follows:-
•
Open the Metro's door fully, reach inside with the palm of your hand
face-up and extended, lift the top baffle approximately 20mm, then
lift it forward out through the door opening, placing it on a sheet of
newspaper you have placed on the front of the floor protector.
•
Close the door and slide the air control to the left.
•
Once on the roof, remove the cowl from the top of flue system and
sweep the flue pipe using a 150mm-diameter flue pipe brush as
detailed in the instructions provided with the fluebrush.
•
Once the flue pipe is clear, clean and refit the cowl. Remove the excess
soot which has fallen into the firebox, leaving a layer of ash 10mm
deep on the base of the firebox, then refit the top baffle.
Note: The baffle must be fitted so its rear is touching the back of the
firebox; if uncertain refer to page 4 in the installation section at the front of
this manual, which shows illustrations of the baffle location.
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