W415-1226 / 06.27.13
31
EN
8.6 SECONDARY AIR TUBE REPLACEMENT
At the end of each burning season inspect the secondary air tube for warping or deterioration. Replace if
necessary. At this time also check that the door gasket is not worn or loose. Replace with 1/2” (12.7mm) high
density fi breglass rope if necessary.
NOTE: Do not operate appliance if the manifold, airwash shield or fi bre baffl e is deteriorated or
missing.
To reinstall the secondary air tube follow these instructions:
A. Locate the slot at the front of the fi rebox chamber, as
illustrated.
B. Insert the tab of the secondary air tube into the above
mentioned slot and pivot the secondary air tube into
position.
C. A new gasket MUST be installed between the
secondary air tube and fi rebox.
D. Insert one of the bolts to hold the secondary air tube in
place.
E. Working from the inside of the fi rebox, take the second
bolt and install it into position, loosely secure the washer
and nut.
F. Remove the fi rst bolt and reinstall as previously described in step E. Fully tighten both nuts and bolts.
G. Reinstall the baffl es and bricks.
H. To reinstall the rear and side shields, refer to steps A and B of the removal instructions.
NOTE: PUSH THE BAFFLE ALL THE WAY TO THE REAR OF THE FIREBOX, LEAVING A MINIMUM
OF 1” (25.4mm) GAP ALONG THE FRONT. THIS WILL ALLOW FLUE GASES TO PROPERLY ESCAPE
THE FIREBOX.
To remove the secondary air tube follow these instructions:
A. Remove the screws securing the side shields, slide
them forward and remove from the appliance.
B. Remove the screws securing the rear shield, then
remove the shield from the appliance.
C. Remove the rear bricks, then remove the baffl e.
D. Remove the 2 nuts and bolts securing the secondary
air tube in place for the S1 and S4 and 4 nuts and
bolts on the S9, refer to the illustration below.
E. Remove the secondary air tube.
AIRWASH
SHEILD
AND
GASKET
SLOT
SECONDARY AIR TUBE
NUT AND
BOLT(x2)
SIDE VIEW
A
B
2 OUTSIDE
ON S9
MODEL
ONLY
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