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weird sound when i move the selector switch.


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#1 Ethan

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Posted 30 May 2013 - 07:58 PM

okay I just noticed sound this today when doing some external work on my cqr mod 2 but when I turn my selector switch from semi to full auto. right in between the two it makes a weird sound like a squeaky sound or a scratching sound, I'm not 100% what kind of sound it is but is it normal or do I have a problem with my gun?

Edited by Ethan, 30 May 2013 - 07:59 PM.


#2 Chuck S

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Posted 31 May 2013 - 02:50 AM

Disconnect the battery and check again.  Should not make a noise either way.  The selector is an electrical switch between the battery and motor and there should be no contact between positions.

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#3 niko_gpsy

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Posted 31 May 2013 - 01:03 PM

View PostEthan, on 30 May 2013 - 07:58 PM, said:

okay I just noticed sound this today when doing some external work on my cqr mod 2 but when I turn my selector switch from semi to full auto. right in between the two it makes a weird sound like a squeaky sound or a scratching sound, I'm not 100% what kind of sound it is but is it normal or do I have a problem with my gun?

Are you able to move the selector switch smoothly or does it feel scratchy and a bit tough to change position?  If so you might have a blown bearing under the spur and the ball bearing can get in between the selector plate and the gearbox that can cause such issues.  I would either open it up or send it to KWA for proper inspection.

#4 Ethan

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Posted 31 May 2013 - 06:51 PM

okay I find out it was just the spring on the selector switch. thanks for the help.

Edited by Ethan, 31 May 2013 - 06:58 PM.


#5 niko_gpsy

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Posted 01 June 2013 - 03:35 PM

Were you missing the spring?


#6 Ethan

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Posted 02 June 2013 - 01:07 PM

no, it was out of place I just had to put it back on and now it's no longer making the sound.




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