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Generally, a properly adjusted truss rod results in a neck with slight forward 

relief. To check for proper neck relief, push down on the low “E” string 

at the 1st and 14th frets simultaneously. There should be about 0.010” of 

space between the bottom of the string and the top of the 6th fret - about the 

thickness of a business card. You may want a larger or smaller amount of 

relief depending on your playing style.  

 

Note: The Truss Rod should only be adjusted in order to establish proper 

neck relief and to counteract/balance the effect of string tension. Do not use 

the Truss Rod adjustment feature to try to correct larger set-up issues or other 

problems that are not related to neck relief. 

6

Truss Rod Adjustments for U.S. Custom Shop Revival Series Guitars

To adjust the single-action truss rod on a Revival Series instrument, you will 

need a round-tipped 5/32” Allen wrench that is at least 4” long (a special 

Revival Truss Rod Wrench is available from Breedlove - please contact us for 

details). The adjustment nut is located inside the soundhole, toward the neck. 

It is very close to the top of the guitar, and right underneath the fingerboard. 

Newer Revival instruments have an access hole through the top soundhole 

brace, while older instruments do not. If you do not have an access hole, 

note that one of the two neck bolts is also in this general area. The top neck 

bolt can be seen through the soundhole, while the truss rod nut is not visible 

unless you have the access hole. If you can see your wrench going into a 

large bolt, you’re in the wrong place! To access the adjustment nut, insert the 

wrench into the soundhole between the D and G strings (holding them apart 

can be helpful) and point it up toward the area described above to find the nut. 

Turn clockwise to tighten the truss rod, or counterclockwise to loosen it.

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Summary of Contents for American Series C20/SM

Page 1: ...B r e e d l o v e O w n e r s M a n u a l...

Page 2: ...r Breedlove Guitar 10 Breedlove Nylon String Guitars 11 Breedlove Mark Series Chambered Electric Guitars 11 Breedlove Pro Series Guitars 12 Breedlove Mandolins Electronics 14 L R Baggs Dual Element El...

Page 3: ...it is suitable Measuring daily for a week or two will help you determine whether conditions are stable Your Breedlove guitar was built in a controlled environment with an RH of approximately 45 at a t...

Page 4: ...and offer the Oasis Guitar Humidifier It has a unique design that maintains proper humidity without risk of leaks or dripping inside your guitar It also provides visual feedback when it is time to ref...

Page 5: ...Let your instrument adjust to its new environment before changing truss rod tension Truss Rod Adjustments for U S Custom Shop Guitars except Revival To adjust the single action truss rod on a U S Cus...

Page 6: ...Series instrument you will need a round tipped 5 32 Allen wrench that is at least 4 long a special Revival Truss Rod Wrench is available from Breedlove please contact us for details The adjustment nut...

Page 7: ...Breedlove Service Technician before attempting To tighten the truss rod turn the nut clockwise as seen from above This causes the neck to bow backward lowering the string height If you go too far the...

Page 8: ...aving the factory and should require very little attention from that point on However the system should be checked periodically for proper adjustment Checking Your Bridge Truss for Proper Adjustment 1...

Page 9: ...nough to return the rod to proper tension so make adjustments in very small increments and check tension after each turn of the bolt Adjustment Bolt Sizes for Breedlove Instruments Use the following A...

Page 10: ...ng neck profile and low string height over a radiused fingerboard allow for fast fretting and chording and great playing comfort Special consideration has been given to the classical player seeking mo...

Page 11: ...finish process for the durable high gloss finish on your Mark I as we do for Custom Shop acoustics so you can follow the same cleaning instructions see page 17 For information on the electronics and p...

Page 12: ...gher arches in the top and back Tonewoods resonate freely thanks to a free floating fingerboard extension smaller neck and tail blocks and a bolt on neck Breedlove mandolins are well known for their e...

Page 13: ...it goes To ensure proper instrument intonation the bridge must be in the correct location It is also a good idea to protect the finish of the instrument with a soft cloth while changing strings String...

Page 14: ...routing options for mono or stereo use Features include Stereo Mono Switch A Pickup and microphone signals can be blended into a mono or can be accessed separately by switching the preamp to stereo op...

Page 15: ...on The I Mix preamp offers considerable flexibility for tailoring your sound Onboard controls for gain low frequency cut and midrange cut allow for fine adjustment of the magnetic pickup tone and a se...

Page 16: ...nd Electric Guitars The Breedlove Synergy System delivers astoundingly warm and authentic acoustic tone but that s just the beginning Imagine being able to connect your acoustic guitar directly to a R...

Page 17: ...omes gummy rub it lightly with 0000 steel wool Clean off any left over steel wool fragments then apply mineral oil Finally wipe down the fingerboard with a dry cotton cloth If the fingerboard appears...

Page 18: ...trument or its parts b asserted defects caused by modification misuse or abuse or improper maintenance of the instrument c asserted defects involving subjective personal dislikes or judgements d asser...

Page 19: ...purchase by purchaser such as a copy of the sales invoice or receipt a credit card slip or the like b a brief description of the nature of the asserted defect and c the name address and phone number...

Page 20: ...010 010 014 014 023 008 030 012 039 018 047 027 Nylon String Guitars D Addario EJ44 Classical Hard Tension 0285 0327 0410 029 036 046 Atlas Acoustic Basses D Addario EXPPBB170 Phosphor Bronze Coated S...

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