Hi,
2018 Collings D1A
Relief .014” at 5th fret 1st and 15th fretted (Collings specs .005")
Action at 12th fret
Treble 5/64” (Collings spec 2/32 or 4/64)
Bass <7/64” (Collings spec 3/32" or 6/64)
That relief calls for a truss rod tweak. I've done this on other guitars with no problem but would like a refresher.
I think...To flatten the neck, less relief, I loosen the truss rod meaning a counter clock wise turn of the truss rod. Right? I'll do it in 1/4 turn max intervals.
Since action is maybe 1/64 high this means take ~ 1/32" off bottom of saddle...right? 
I read elsewhere a member suggested working on saddle first but I think I should be adjusting the relief especially since mine is high and I'll be flattening the fretboard by .009" In fact that may actually lower the action a hair even though that's NOT how you lower action! Right?
Any advice appreciated!
Trav
			
									
									
						Set Up Advice Please
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				Flakyfoont
 - Posts: 65
 - Joined: Sat Nov 24, 2018 5:27 pm
 
Re: Set Up Advice Please
Tighten the truss rod to flatten the neck with close attention to any change in intonation.
			
									
									
						- 
				Wood&Steel
 - Posts: 12
 - Joined: Fri Oct 27, 2023 10:58 pm
 - Real Name: John Jones
 
Re: Set Up Advice Please
I realize this post is old, but relief and action are two distinct and separate measurements. Always set te relief before adjusting the action.
			
									
									
						Re: Set Up Advice Please
larrivee's truss rod wrench (you might describe it as "offset") is the easiest one i've found.  the one you would use is their item T2. i think the reason that the one collings sells (simple "L") is so hard to seat (at full string tension) is, if you can't seat it, you can't over tighten.