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Mark Davis · June 6th, 2009, 03:30 PM

ACTION
Players with a light touch can get away with lower action; others need higher action to avoid rattles. First, check tuning. Using a 6" (150 mm) ruler, measure the distance between bottom of strings and top of the 17th fret. Adjust bridge saddles to the height according to the chart, then re-tune. Experiment with the height until the desired sound and feel is achieved.

Neck Radius String Height
Bass Side Treble Side
7.25"
9.5" to 12"
15" to 17" 5/64" (2 mm)
4/64" (1.6 mm)
4/64" (1.6 mm) 4/64" (1.6 mm)
4/64" (1.6 mm)
3/64" (1.2 mm)

SHIMMING/MICRO-TILT™ ADJUSTMENT
Shimming is a procedure used to adjust the pitch of the neck in relation to the body. A shim is placed in the neck pocket, underneath the butt end of the neck. On many American series guitars, a Micro-Tilt adjustment is offered. It replaces the need for a shim by using a hex screw against a plate installed in the butt end of the neck. The need to adjust the pitch (raising the butt end of the neck in the pocket, thereby pitching the neck back) of the neck occurs in situations where the string height is high and the action adjustment is as low as the adjustment will allow.

To properly shim a neck, the neck must be removed from the neck pocket of the body. A shim approximately 1/4" (6.4 mm) wide by 1 3/4" (44.5 mm) long by .010" (0.25 mm) thick will allow you to raise the action approximately 1/32" (0.8 mm). For guitars with the Micro-Tilt adjustment, loosen the two neck screws on both sides of the adjustment access hole on the neckplate by at least four full turns. Tightening the hex adjustment screw with an 1/8" hex wrench approximately 1/4 turn will allow you to raise the action approximately 1/32". Retighten the neck screws when the adjustment is complete. The pitch of the neck on your guitar has been preset at the factory and in most cases will not need to be adjusted.

Note: If you feel that this adjustment needs to be made and you're not comfortable doing it yourself, take your guitar to your local Fender Authorized Dealer.

PICKUPS
Set too high, pickups can cause myriad inexplicable phenomena. Depress all the strings at the last fret. Using a 6" (150 mm) ruler, measure the distance from the bottom of the first and sixth strings to the top of the pole piece. A good rule of thumb is that the distance should be greatest at the sixth-string neck pickup position, and closest at the first-string bridge pickup position. Follow the measurement guidelines in the chart below as starting points. The distance will vary according to the amount of magnetic pull from the pickup.

Bass Side Treble Side
Texas Specials 8/64" (3.6 mm) 6/64" (2.4 mm)
Vintage style 6/64" (2.4 mm) 5/64" (2 mm)
Noiseless™ Series 8/64" (3.6 mm) 6/64" (2.4 mm)
Standard Single-Coil 5/64" (2 mm) 4/64" (1.6 mm)
Humbuckers 4/64" (1.6 mm) 4/64" (1.6 mm)
Lace Sensors As close as desired (allowing for string vibration)

INTONATION (FINE TUNING)
Adjustments should be made after all of the above have been accomplished. Set the pickup selector switch in the middle position, and turn the volume and tone controls to their maximum settings. Check tuning. Check each string at the 12th fret, harmonic to fretted note (make sure you are depressing the string evenly to the fret, not the fingerboard). If sharp, lengthen the string by adjusting the saddle back. If flat, shorten the string by moving the saddle forward. Remember, guitars are tempered instruments! Re-tune, play and make further adjustments as needed.

Note: If you have a three-section-style bridge, compensate between the strings to minimize the percentage that any one string that may be sharp or flat. Listen for an aurally pleasing intonation.

ADDITIONAL HINTS
There are a few other things that you can do to optimize your tuning stability that have more to do with playing and tuning habits.

Each time you play your guitar, before you do your final tuning, play for a few minutes to allow the strings to warm up. Metal expands when warm and contracts when cool. After you've played a few riffs, you can then do your final tuning. Remember—with most tuning keys, it's preferable to tune up to pitch. However, with locking tuners, go past the note and tune down to pitch. Finally, wipe the strings, neck and bridge with a lint-free cloth after playing. When transporting or storing your guitar, even for short periods, avoid leaving it anyplace you wouldn't feel comfortable yourself

June 6th, 2009, 03:30 PM	#3 (permalink)
Mark Davis Doctor of Teleocity Join Date: Mar 2003 Location: Bakersfield Ca. Age: 59 Posts: 17,167	ACTION Players with a light touch can get away with lower action; others need higher action to avoid rattles. First, check tuning. Using a 6" (150 mm) ruler, measure the distance between bottom of strings and top of the 17th fret. Adjust bridge saddles to the height according to the chart, then re-tune. Experiment with the height until the desired sound and feel is achieved. Neck Radius String Height Bass Side Treble Side 7.25" 9.5" to 12" 15" to 17" 5/64" (2 mm) 4/64" (1.6 mm) 4/64" (1.6 mm) 4/64" (1.6 mm) 4/64" (1.6 mm) 3/64" (1.2 mm) SHIMMING/MICRO-TILT™ ADJUSTMENT Shimming is a procedure used to adjust the pitch of the neck in relation to the body. A shim is placed in the neck pocket, underneath the butt end of the neck. On many American series guitars, a Micro-Tilt adjustment is offered. It replaces the need for a shim by using a hex screw against a plate installed in the butt end of the neck. The need to adjust the pitch (raising the butt end of the neck in the pocket, thereby pitching the neck back) of the neck occurs in situations where the string height is high and the action adjustment is as low as the adjustment will allow. To properly shim a neck, the neck must be removed from the neck pocket of the body. A shim approximately 1/4" (6.4 mm) wide by 1 3/4" (44.5 mm) long by .010" (0.25 mm) thick will allow you to raise the action approximately 1/32" (0.8 mm). For guitars with the Micro-Tilt adjustment, loosen the two neck screws on both sides of the adjustment access hole on the neckplate by at least four full turns. Tightening the hex adjustment screw with an 1/8" hex wrench approximately 1/4 turn will allow you to raise the action approximately 1/32". Retighten the neck screws when the adjustment is complete. The pitch of the neck on your guitar has been preset at the factory and in most cases will not need to be adjusted. Note: If you feel that this adjustment needs to be made and you're not comfortable doing it yourself, take your guitar to your local Fender Authorized Dealer. PICKUPS Set too high, pickups can cause myriad inexplicable phenomena. Depress all the strings at the last fret. Using a 6" (150 mm) ruler, measure the distance from the bottom of the first and sixth strings to the top of the pole piece. A good rule of thumb is that the distance should be greatest at the sixth-string neck pickup position, and closest at the first-string bridge pickup position. Follow the measurement guidelines in the chart below as starting points. The distance will vary according to the amount of magnetic pull from the pickup. Bass Side Treble Side Texas Specials 8/64" (3.6 mm) 6/64" (2.4 mm) Vintage style 6/64" (2.4 mm) 5/64" (2 mm) Noiseless™ Series 8/64" (3.6 mm) 6/64" (2.4 mm) Standard Single-Coil 5/64" (2 mm) 4/64" (1.6 mm) Humbuckers 4/64" (1.6 mm) 4/64" (1.6 mm) Lace Sensors As close as desired (allowing for string vibration) INTONATION (FINE TUNING) Adjustments should be made after all of the above have been accomplished. Set the pickup selector switch in the middle position, and turn the volume and tone controls to their maximum settings. Check tuning. Check each string at the 12th fret, harmonic to fretted note (make sure you are depressing the string evenly to the fret, not the fingerboard). If sharp, lengthen the string by adjusting the saddle back. If flat, shorten the string by moving the saddle forward. Remember, guitars are tempered instruments! Re-tune, play and make further adjustments as needed. Note: If you have a three-section-style bridge, compensate between the strings to minimize the percentage that any one string that may be sharp or flat. Listen for an aurally pleasing intonation. ADDITIONAL HINTS There are a few other things that you can do to optimize your tuning stability that have more to do with playing and tuning habits. Each time you play your guitar, before you do your final tuning, play for a few minutes to allow the strings to warm up. Metal expands when warm and contracts when cool. After you've played a few riffs, you can then do your final tuning. Remember—with most tuning keys, it's preferable to tune up to pitch. However, with locking tuners, go past the note and tune down to pitch. Finally, wipe the strings, neck and bridge with a lint-free cloth after playing. When transporting or storing your guitar, even for short periods, avoid leaving it anyplace you wouldn't feel comfortable yourself __________________ I'm so blind my seeing eye dog needs glasses.