Replacing or Servicing the Upper Fireback and Damper Assembly
(Also see note in Appendix)
Tools Required
•
Ratchet Handle, 3/8” drive
•
7/16” Deepwell socket, 3/8”
drive
•
Rolling head pry bar, 6”- 10”
•
Allen Wrench, 5/32”
•
Caulking Gun Frame
•
Thermocement, 11 oz. tube
•
Cold Chisel, ½”
•
Hammer, Ball Peen, 12 oz.
•
Safety Goggles
P e r f o r m s t e p s 1 t h r u 5 o f t h e d a m p e r l i n k a g e r e p a i r s e c t i o n .
STEP 1:
Remove the 4 cap screws that secure the upper fireback to the right and
left air/wear plates.
STEP 2:
Place the chisel end of the rolling head pry bar in the seam between the
upper and lower fireback about 2” in from the right or left air/wear plate.
Tap the chisel end of the pry bar with the ball peen hammer until fireback
starts to separate from the lower fireback. Pull down on the pry bar until
the cement holding the upper fireback to the stoves top loosens. Remove
the upper fireback and damper assembly.
STEP 3:
Service and/or replace the upper fireback, damper, torsion bar, damper
tabs, and torsion bar clips.
STEP 4:
Re-gasket the damper and the upper fireback. Refer to the gasketing
section of this manual.
STEP 5:
Clean the upper fireback of all old furnace cement. Clean the cement
channel for the upper fireback in the underside of the stove top
thoroughly, paying particular attention to the right and left corners.
STEP 6:
Cement the upper fireback channel in the underside of the stove top and
proceed to steps 24 thru 28 of the assembly section of this manual.
