Thread: M4 making strange grinding noise.
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Old October 28th, 2011, 18:31   #8
damage
 
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Join Date: Jan 2005
Location: Port Coquitlam, BC
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Quote:
Originally Posted by Azathoth View Post
1) Terrible motor height adjustment.
2) Over / Under shimming on the bevel gear.
+1

I have the same motor and I had it for 3 yrs. Just normal wear.
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