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I have an 8535-ll hydro flame furnace in a park model trailer, that rattles/squeals when running. I assume the blower motor needs replacement. Would appreciate a basic step by step instruction as to how to remove the motor only from the heating unit. Any info would be appreciated.
Hi John, Here ya go! Turn off propane, remove one screw from the timer relay (has 4 wires going to it on left front cover) loosen the other and pull it loose. Remove 4 screws from the plastic cover it is on and remove the cover, remove the PC board, remove the exhaust tube, take the propane line loose, take the igniter wire(red)loose and one quick disconnect wire (both on propane line side), remove 3 - 4 screws from rear that hold the burner in and one on the round edge, pull out the burner, loosen set screw on the small fan, hold the large fan and rock the small one while pulling to remove it. There are 3 hex screws behind the small fan remove them and you should be able to pull the motor and blower fan out as one assembly. Remove and install fan on new motor
, reverse all this to install. You may have to change one wire connector
on the new motor to hook it up. Pay attention to where the motor wires were connected as the motor will run backwards if you reverse them. Hope this helps, good luck! Note: this is for II & III series. IV is similar, but the motor is held in with a hose clamp, it isn’t hard to figure out the difference‘s. Good luck.
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