Replacing or Servicing the Damper Linkage
Tools Required
•
Allen Wrench, 5/32”
•
Caulking Gun Frame
•
Thermocement, 11 oz. tube
•
Cold Chisel, ½”
•
Hammer, Ball Peen, 12 oz.
•
Safety Goggles
STEP 1:
Place the damper in the open or updraft position and remove the damper
handle stub.
STEP 2:
Remove the damper link access panel. Use the cold chisel in the lower
cement seam to loosen.
STEP 3:
Reach inside the damper linkage opening and while holding the damper
actuator link with one hand, pull the damper handle rod from its drilling in
the left stove end and the forward drilling in the actuator link with the
other hand. Do not drop the 3/8” flat washer between the stove end and
the air/wear plate.
STEP 4:
With the actuator link, rotate the damper towards the closed position and
disengage the actuator link from the damper torsion bar.
STEP 5:
Service and/or replace the damper handle rod, actuator link and the 3/8”
flat washer.
STEP 6:
Clean the cement groove of the damper linkage access panel and its
mating surface on the left air/wear plate and upper fireback of all old
furnace cement. Proceed to step 26 thru 28 of the assembly section of this
manual.
