[ARC5] ARC 5 reciever backlash.

[J Mcvey]

Trying to get everything in shape, but I'm getting frustrated with the ARC-5 receiver's touchy tuning.1) no selectivity 
I am marginal at CW as it is, but when I have to hear two or three different tones at the same time it makes it nearly impossible for me.
2) backlash.I haven't taken the receiver apart yet to look at the mech. 
Any suggestions before I do?

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