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Topic: Mullen Royal Precision return spring |
Dale Boutilier
From:
Nova Scotia, Canada
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Posted 28 Dec 2010 2:43 am |
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| Just wondering if anyone can tell me about the return springs? I am having a bit of trouble with the first string returning back to the original stop. Is this where the adjustment is made?? If so which way to turn?? |
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Clete Ritta
From:
San Antonio, Texas
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Posted 28 Dec 2010 10:30 pm
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Check everything else mechanically before adjusting the spring.
Physically move the finger while watching the undercarriage to see what is really happening.
If you have several raises and lowers combined, loosen the tuners and check one at a time.
Adjusting the return tension spring may not solve the problem.
Tightening the springs increase tension, making the pedal or lever stiffer.
Lowers need spring tension to pull the string back up to pitch.
Provide more specifics on the setup.
Perhaps Mickey Adams can chime in here.
He is an expert with all things Mullen.
Clete
Last edited by Clete Ritta on 29 Dec 2010 9:14 am; edited 1 time in total |
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Dale Boutilier
From:
Nova Scotia, Canada
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Posted 29 Dec 2010 3:55 am Mullen Royal Precision return spring
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Thanks I have checked all that I am only raising the the first its seems real good with the movement, its was a bit tight and I moved the rod down a hole in the crank which made it move a lot smoother and now it just a bit not returning to the original stop.It didn't have this change when I bought it, Do you turn it clockwise to tighen?? Which would make sense but I had a guy say it was counter clockwise??
Thanks |
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Clete Ritta
From:
San Antonio, Texas
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Posted 29 Dec 2010 4:39 am Re: Mullen Royal Precision return spring
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Clockwise tightens.
If you look under the changer, the screw is connected to the spring end.
Loosen too much and the spring releases the finger!
Make a mental note of its original setting so you can revert to that.
The rod may be pulling at an angle since you moved it.
Try another hole in the changer more parallel to the new bellcrank position.
Clete |
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Mike Mantey
From:
Eastern Colorado, USA
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Posted 29 Dec 2010 7:12 am
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Clockwise(tighten) makes the springs pull harder. However this is not your problem. This spring has no affect on the raise portion. The problem is when you moved the rod down one hole it lengthened the travel required to get your note. Most people just keep turning the tuning nut until it goes far enough. By doing this you are taking out the slack required between the tuning nut and changer nuetral stop. What you need to do is give the knee lever more travel, or you can move the rod back up a hole in the bellcrank. The lower the rod, the easier the lever will be, but it will take more travel. You can adjust this at the screw where your knee lever actually stops. Loosening that screw about a turn or so, should give you enough. Then when you retune with the tuning nut it should come back.
I hope that makes sense. |
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Clete Ritta
From:
San Antonio, Texas
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Posted 29 Dec 2010 9:07 am
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Thank you Mike 
That makes perfect sense!
(Mike should know, he builds them)
That brings up a good point about slack.
A good thing to check for is slack on all your tuners.
If you cant move the nylon tuner at all, its too tight.
Loosen them up (right tight, left loose is a lil phrase to remember which way is which)
Clete |
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Dale Boutilier
From:
Nova Scotia, Canada
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Posted 30 Dec 2010 5:48 am pull
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| Sorry Mike Its pulling all the way no problem great like that but wasn't returning to the spot but I think I have it now I turned the screw clockwise and it seems fine now... thanks for all the input. |
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