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Do you have a question about the defiant iai and is the answer not in the manual?

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Larry Perry
March 15, 2025

I have an old defiant woodstove. The damper handle does not open damper. Has become disconnected somewhere! How to I access the damper rod that controls the damper?

1 comments:
Mr. Anderson
March 15, 2025

The context does not provide direct instructions for accessing the damper rod on a Vermont Castings Defiant IAI woodstove. However, it mentions that the left damper pin of the damper goes through the hole above the Side Loading Door opening when installing the Left End Plate. This suggests that removing the Left End Plate may provide access to the damper mechanism. Additionally, ensuring the damper opens and closes smoothly may require grinding the recess in the Upper Fireback.

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Summary of Contents for Vermont Castings defiant iai

  • Page 3 Manufactured 1975 through 6/80, Defiant I has a one piece fireback; Defiant 1A is a Defiant I converted to a two piece fireback, sides wrap around the front; Defiant IAI is a I or IA converted to a two piece fireback & two piece baffle, sides wrap around the front.
  • Page 5 DEFIANT IAI DRILL AND TAP KEY DIAGRAM # TO ACCOMMODATE THIS HOLE DRILL SIZE TAP SIZE Thermostat hole 10-24 Thermostat cover screw hole 10-24 Air shutter pin holes 1/8" x 3/22" deep Damper pin hole #W (.3860") Door handle holes 3/8"...
  • Page 16 STEP 3 REMOVE EXTERIOR CASTINGS Remove Left End. The Smoke Deflector will fall out. Use wooden bridge to hold the Front and Back castings in place (FIG. 3) The Fireback can be loosened by inserting a large screwdriver under the lower left corner and prying upward.
  • Page 17 DEFIANT ASSEMBLY Lay all the parts out on the floor in sequence. We recommend that you assemble the stove once without cement (dry fit) to make sure all the parts fit. New parts may have to be ground or filed. At this time, regasket the front and load doors.
  • Page 18 STEP 4 ASSEMBLE EXTERIOR CASTINGS CONTINUED Set Right End with air tube attached in place, sliding the channels in the End over the edges of the Front and Back Plate (FIG. 7). Move the wooden brace so the two center slots fit over the Baffle and Right End.
  • Page 19 STEP 5 FIREBACK & SECONDARY AIR TUBE INSTALLATION CONTINUED Lay 24” screen, supplied with materials, on the top rib as pictured (FIG. 11). Press the screen into the cement so the extension of the “T” fits between the top ribs of the Back Plate and the Fireback.
  • Page 20 STEP 6 INSTALL THE LEFT END CONTINUED Install the Left End Plate, allowing the left damper pin of the Damper to go through the hole above the Side Loading Door opening. Make sure the Firebacks are behind the Smoke Deflector Ridge (see FIG. 15). Also, check that there are no burrs of cast iron behind that ridge.
  • Page 21 STEP 9 FINISHING Screw the Primary Air Tube on the new Left End Plate using the new 1/4-20 x 1" screws provided. Smooth furnace cement in outside seams of the stove with your finger or a putty knife. Remove all excess furnace cement from the outside of the stove with warm water and sponge.

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