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I got a new fan and had to place the squirrel cages from the old fan onto this one. Now The fan it turning fine, I compared it to others. Air seems to be moving. Now there is almost zero air output.
This fan is not generating any air output. Why am I having this problem? The motor is fine and turning well. The RPM’S are like the other motors. What do I need to adjust to get some output? I feel silly having to ask this but. ….. [img]/content/btubb/images/%%GRAEMLIN_URL%%/mad.gif[/img] [img]/content/btubb/images/%%GRAEMLIN_URL%%/confused.gif[/img]
Compare the motors... If you replaced a 3450RPM motor with a 1725RPM one (The housings look the same... the tag on the motor is the only easy way to tell), everything will look OK, but it's not spinning fast enough to develop any good pressure.
The same will happen if a 115V motor is replaced with a 230V one... it will run, but the speed drops dramatically.
The cage may not be the problem... if the cage is meant to be spun CCW, and you install a CW rotation motor, you will get little or no air. Most of those little fan motors cannot be electrically reversed... they are sold as CCW or CW rotation. I have reversed motors like that, but it's a bit of a pain. If the motor endcaps are the same, you can flip the stator over and reassemble the motor (most of them require bending out the little metal tabs to get it apart), and it will run in the opposite direction.
Things like this can happen especially if you're using aftermarket / local purchase / replacement motors.
Clarification: The first two possibilities are true of both single- and double-shaft motors... the third possibility will only affect single-shaft motors. Double-shaft motors don't need to be reversed... CCW or CW doesn't matter, as long as the cages are faced the correct way.
<span style="font-style: italic">Educatio est omnium efficacissima forma rebellionis</span>
sounds like the motor is running backwards
unless you get oem you better make sure the replacement motor runs in the same direction as the one you are replacing. it happened to me once at the local motor store number was off by one and now i know why.
live and learn [img]/content/btubb/images/%%GRAEMLIN_URL%%/frown.gif[/img]
Good morning, I have built a tester for the MP Chassis for the 82-70 machines. Instead of using the cam switches I am using relays. My question is to anyone that may...
Is anyone running the solderless relays on the accelerators? How do you like them? What brand? How difficult to convert was it? Would love the feed back as I'm about to switch...
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