Harman Advance running rough

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nasabuzi

Member
Nov 16, 2014
9
Levittown, NY
Hi, so a few days ago I did the usual cleaning of my Harman Advance and went to start it the first time this season and it sounds like its running rough. The sounds happens before the distribution blower comes on so it's not coming from that. The combustion motor/fan is definitely running louder than before but to me this noise seems to come from the center of the machine. I attached a video hoping it might help some.
 

Washed-Up

Minister of Fire
Nov 5, 2011
882
Kananaskis,Alberta, Canada
Are the fan blades contacting the cage? Video is a bit short to be conclusive
 

nasabuzi

Member
Nov 16, 2014
9
Levittown, NY
Are the fan blades contacting the cage? Video is a bit short to be conclusive
With the machine unplugged I spun the blade from the front and it didn't appear to be touching the cage at all. It does seem that the shaft on the combustion motor has some play in it. Like I can move it forwards and back a little bit, at this point that movement while running is making this noise.
 

Washed-Up

Minister of Fire
Nov 5, 2011
882
Kananaskis,Alberta, Canada
Sounds like the bearings might be shot, you can replace them…or it’ll be a new combustion blower
 
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Washed-Up

Minister of Fire
Nov 5, 2011
882
Kananaskis,Alberta, Canada
Not too many people know or realize this, but WD40 will ruin the bearings, part of its make up degreases and will dry the bearings out even more, 3in1 oil or a light synthetic oil is what you want to put on
 
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