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Unread 03-02-2014, 14:54
Unsung FIRST Hero
Al Skierkiewicz Al Skierkiewicz is offline
Broadcast Eng/Chief Robot Inspector
AKA: Big Al WFFA 2005
FRC #0111 (WildStang)
Team Role: Engineer
 
Join Date: Jun 2001
Rookie Year: 1996
Location: Wheeling, IL
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Re: Ugly CIM sound in WCP 3-cim gearbox

Eli,
Is it the retaining Rings or the Wave Washers? My suspicion, is that you might have pushed the pinions onto the shaft too far and they are rubbing the end of the CIM motor. This is set by the placement of the retaining washers. Also be sure to follow the instructions on mounting the CIM motors, the note on Page 2 is important. Misalignment here could also cause the effect you describe.
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Good Luck All. Learn something new, everyday!
Al
WB9UVJ
www.wildstang.org
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Storming the Tower since 1996.