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Here you will find some answers to some of the most asked questions about adjustment and common guitar service tips. Some tips you think might be helpful that you don't see, send us an email. support@mullenguitars.com Some helpful guitar tips.String Tip
I have been asked several times about gauged rollers on
guitars. Our rollers are all the same gauges. This makes it easier to
re-install when removed. Since they are all the same gauge you don't have
to worry about putting them in the same position on the nut support. Here is a simple thing you can do,
that I have found to work well after re-installing the rollers or installing new
strings.
The larger strings on C6th and universal tunings can have the most effect. New strings will create an arc as in figure 1 so you tune the new strings
to pitch, push down on points as in figure 2, retune and you will have a nice
flat set of strings all across your tuning as in figure 3. A word of caution
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| Pedal rod linkage. | Pedal ball disconnect. | Changer return stop slots. |
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Notice the considerable difference in the amount of
movement from top hole as compared to the bottom hole. An example would be such as if you would want to pull the top F# string on the E9th either to G or G#. For the G note you would use the second hole from the bottom as in the picture and for changing to a G# note you would normally use the fourth hole from the bottom. One thing you need to consider is the closer to the end of the bell crank the harder the pedal or knee lever will be to operate. |
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Pedal stop adjustment screw. |
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Knee lever stop adjustment screw. |
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Keeping your guitar clean is a simple matter. Wiping it down with pledge furniture polish is a good solution. If you have something that you cannot remove with polish you can use lacquer thinner on Mica finishes but be careful not to over use it. DO NOT use lacquer thinner on a lacquered or painted finishes. Aluminum parts can be polished with Mothers aluminum polish available at most automotive parts stores.
New Strings
Here are some tips that might be helpful when replacing new strings.
The number 1 problem many players encounter is that annoying third E9th string
G#.
Breaking it when installed can be eliminated if put on properly.
When putting this string on attach it to the changer and cut it when it extends
approximately 2 inches beyond the key
head. Put the string through the string
post
hole and wind 2 turns toward the back side of guitar and then let the string lap
over itself toward the front side of guitar and continue winding until you have
it to pitch. Not letting the string lap over itself will cause the
string to break as that small of string will not bend over that small of a
radius without breaking. You should end up having the string as shown in the
picture at the right. With larger strings you should not experience this
problem. Larger strings such as 9 and 10 only require 0ne or two turns to work
properly without slipping.
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Lubricating changer
Occasionally you may have to
lubricate the changer system.
To lubricate the roller part, it is
a must that the strings be removed
or loosened to allow the lubricant
to penetrate to the areas where it is
most required. The area where the
string attaches is where all the
pressure is generated and the only
way to get this area lubricated is to
loosen or remove the strings.
A good time to do this might be
when new strings are being installed.
This should be the only place where the changer should need any lubrication.
Disassembling of the changer should not be attempted it should be returned to the factory,
since there are special tools and fixtures for keeping the components aligned.
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Adjusting half stop|
Here is an item that might be of some help.
2nd string half stop adjustment.
When assembling new guitars this is the procedure we use when setting up a new
guitar for the 2nd string half stop. We use the 9th string for two purposes. The
first of course is for the 2nd string half stop and the second is for the D to
C# change on the 9th string. To make this work properly use the following
method. Make sure that the pulling rods are in the same holes in the bell crank
and the changer (this should be the 5th hole, the one that is the furthest
from the guitar body) I temper tune the open E9th tuning first and then tune
with the pedals down. I next temper tune the 9th string to C# with 6th
string having the B pedal down. As the 9th string engages making
contact with the changer lowering lever this will apply extra pressure and
become the half stop feel for the 2nd string . If properly setup it will all be
in tune at this time. We also have available a tunable half stop that is tunable
from under the guitar and also you can also adjust the tension as to how hard
you want the half stop to feel. For more information on this product E-mail
Mullen Guitars .
parts@mullenguitars.com
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