The screw that holds the whole thing in the case is in the middle of the opening at the bottom front edge. Combustion intake and exhaust tubes on right of combustion chamber blower. RV air handler blower on left.
Wires don't necessarily match color to color. make a note of them.
Dauber nest at 7 oclock in the combustion chamber blower housing
Motor (center) separated from Combustion blower (right) and RV heating blower (left)
Note combustion blower still attached to furnace. Combustion exhaust is tube lower right
Another dauber nest inside of combustion chamber. Combustion blower removed.
Another Dauber nest inside of combustion chamber. Blower housing removed.