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Heater box disassembly

Posted: Thu Sep 03, 2020 8:24 pm
by orphage
Hello!

Do you guys know how to disassemble the flapper doors on a non AC heater box?
I need to remove them to restore the heater box from my 69 Toro but I'm scared to make my disassembly project a disaster project.

I tried PB Blaster (a lot) and I tried heat but the hinges don't want to move. I had some success with a hammer, a brass punch and a lot of elbow oil but I'm scared of damaging it (picture 2718). I didn't find any procedures or anything else but pictures of already disassembled flappers on internet, so it should be possible! But no instructions on how to do it...

Any ideas?

Orphe