Question about Mastercool 67471 Evaporative Cooler Air Conditioner

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Blower Pully slides off shaft.

I have a master cool evap. After 10 days or so, the pully slides off the end of the shaft. It seems aleigned and works fine for a while. Maybe I am not tightening the set screw with the alan wrench enough but am afraid to tighten too much. Thanks, Tom White

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  • tomcharwhite Apr 14, 2009

    Thanks, I will!

  • Azstu Mar 05, 2012

    Hey Tom. Did you ever resolve this ( I know its 3 yrs later ;)./ I have same issue. pulley slides off.. and have tightened setscrew.. but thinking something else is needed.. Anyway if you have any info on how you fixed this. or links to a diagram or two. that would be cool ( pun intended )..stu

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Tighten away.

Posted on Apr 14, 2009

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