Searched quite a bit but haven't found a solution for covering the Harrison heater motor. I restored the heater and replaced the motor with a 12v one. I know our host sells a seal that goes around it but I'd ideally like to find a convex one that completely seals the firewall. Anyone sell or have made one?
The trucks with the heater delete had just a round flat plate over the firewall hole. I think it was 19g, the same as the other body metal, but if I was making one I'd use 16g to compress the gasket better. Joe probably has several since many of his trucks are probably from areas where they were ordered without factory heaters. Never saw one that is cupped to clear the motor, just flat ones to cover the hole if no motor.
The original firewall heater delete plates were flat. We have a few original ones laying around & we have a few left over from a batch that we reproduced in stainless steel years ago.
Hmmmm. OK..... the 12 volt motor is smaller than the original 6 volt motor & there is a gap in the seal between the motor & the ring. Easy fix....Just cut your own piece of rubber ring that fits tight around the motor & glue it to the motor surround ring & you are good to go..... {a piece of leather would be even better}
Glad you mentioned. I am doing a heater restoration myself and changing the motor to a new 12v. I assumed the 12v motor that our host sells would fit the gasket set they also sell. It didn't occur to me the 12v would be smaller then the 6v motor.
Glad you mentioned. I am doing a heater restoration myself and changing the motor to a new 12v. I assumed the 12v motor that our host sells would fit the gasket set they also sell. It didn't occur to me the 12v would be smaller then the 6v motor.
Just working on this. I found that depending on the type/style of 12v motor and its location of wiring, the seal may not actually keep water away from its innards. I was looking for a suitable domed metal piece to insert in that opening for several weeks. The other day I was in a restaurant supply store and found that the top of this steam table dish is the perfect size! and after a bit of trimming ..... It is a perfect fit for the hole in the firewall. A bit of paint and ready to be installed from the inside of the cab. Haasman
Heater Motor to 12 v, leaves gap Here is what I did and use the original seal. I totally gutted the inside of the old 6 volt motor, put my new 12V motor inside the old gutted 6 volt motor outside casing. Looking NO ONE can tell that this is not 6 volt! Jerry
