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Old 04-28-2014, 06:22 PM
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Polaraligned Polaraligned is offline
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Join Date: Mar 2014
Location: Apex, NC
Posts: 203
OK, I did find a manual online.

When I test a 16EP4 that tests fair on my trusty CR31 Super Mack, I can't get the needle to stop in the correct cutoff range with the CR70. The needle either jumps higher or lower and is virtually impossible to make stop in the correct cutoff range.
I then switch to emissions and the meter reads way down in the bad range until I turn the cutoff set knob nearly fully clockwise- then the meter jumps right into the good range. Should this be happening? I mean, should the cutoff set knob be changing the emissions reading?

Last edited by Polaraligned; 04-28-2014 at 07:47 PM. Reason: Edited for clarity
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