American Energy Systems MF3642 DC Fan Blade - Exhaust Blower - Manual (Page 2)

F:\AESBusinessSystems\AES Technical\Piece part instructions\MF3642.doc
• Open the right side panel to access the electrical connections.
• Unplug the motor. One of the electrical wires is fastened to a group of wires with a wire
nut. The other has a terminal connection. (It will most likely be necessary to cut 1 or 2 of
the wire straps). Remove the two (2) screws from the vent tube where it hooks onto the
draft blower. (Depending on the venting arrangement you may need to disconnect or
temporarily support the vent pipe).
• Remove the five (5) 5/16 inch screws or ¼-20 bolts from the motor housing and exhaust
housing.
• Scrape the old gasket from the exhaust housing and remove any silicone from the starter
pipe on the exhaust. When putting in the new motor, be very careful to get a good seal
on the new gasket and properly seal the starter exhaust with the silicone.
• If you have cut any of the wire straps make sure the wires are secured, away from any
high temperature parts.
• When putting in the ¼ inch screws to the new motor housing you will notice that there is
plenty of play with it. This is to give you adequate adjustment space to make sure you
can line up the exhaust again. After you have installed the new motor wait
approximately one hour to let the silicone set.
• At that point start the motor and check for any air leaks. Run the stove on the number 3
heat setting to verify that the motor is running at the proper speeds. (It is advisable to
start the new motor before installing it). It will be necessary to wait 24 hours before
firing the stove up to insure that there has been enough time for the silicone to cure.