Yamaha Finger Clamp Tremolo System Owner's Manual QC88670 EN

User Manual: Yamaha Finger Clamp Tremolo System Owner's Manual

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FC (FingerClamp) Tremolo System
On the Yamaha FC (FingerClamp) tremolo system, tools are not necessary to tune/change the strings as on other locking
systems. Following is the procedure for changing strings and adjusting the tremolo system.

■ Popping-in/out the arm

English

Part 1 : Setting up the tremolo arm & tremolo unit holder
■ Setting the “Tremolo Unit Holder”

The tremolo arm can be attached or detached simply by popping it in or
out. (Fig. )

1

Turn the tremolo arm towards the body end. (Fig.

)

Turn the arm this way
Pop in/out the arm

Tremolo arm
Out

In

2

Set the “Tremolo Unit Holder” as shown in illustration. (Fig.

)

* The “Tremolo Unit Holder” helps to keep the tremolo unit
stable and horizontal for easy string change and re-tuning.

■ Adjusting the torque of the tremolo arm

Set “Tremolo Unit Holder”

To adjust the torque of the tremolo arm, tighten or loosen the screw on
the side of the “arm base” with a hexagonal wrench. (Fig. )
* Attach the tremolo arm before adjusting the torque.

Adjust the arm torque

Tremolo Unit Holder

Loosen
Arm Base
Tighten

* When setting the “Tremolo Unit Holder”, Adjust the height
by rotating the head so the tremolo unit is parallel to the top
of the guitar body. (Fig. )

Adjust holder height

Raise

Lower

QC88670 Printed in Taiwan

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Part 2 : Removing the old strings
1

Loosen the locking lever of the FC (FingerClamp) nut. (Fig.

)

4

Remove the old strings from the body back. (Fig.

* It is not needed to detach the back cover to remove the
strings.

Loosen the locking nut

English

Pull off old strings

Locking Lever

2

Loosen

Pull up the locking levers of the FC tremolo. (Fig.

)

Pull up the locking lever

Locking Lever

3

Loosen the tuning machines to remove the old strings from the
tuning machines in the standard manner. (Fig. )

Remove old strings

* The “Tremolo Unit Holder” prevents the tremolo unit from
sinking into the tremolo cavity.
* If the tremolo arm slides away from the arm base, tighten
the screw on the side of the arm base. (Fig. )

2

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Part 3 : Installing the new strings
1

Install the new strings from the body back. (Fig.

)

4

* It is not needed to cut off the ball ends.

Pull out the lever to the direction (Fig.
your favorite angle. (Fig. )

) and rotate the lever to

Adjust the lever position

English

Install new strings

Pull out
Adjust the angle

5
2

Tune the strings to the correct pitch with the tuning machines, leaving the locking lever up. (not returning to the original position)
(Fig. )

Return the locking levers on the FC tremolo to the original position
to lock the strings. (Fig. )

Lock the strings at bridge

* Be sure that the strings stay in the string slots of the bridge
saddles.
* The “Fine Tuners” should be in the middle of their travel
range.

Fine Tuner

Tune the strings to the pitch

Fine Tuner

Locking Lever

6
7

Remove the “Tremolo Unit Holder” from the tremolo arm.
Fine tune the each strings with the “Fine Tuners” on the FC tremolo.

String Slot

3

Tighten the locking lever of the FC (FingerClamp) nut to lock the
strings at the nut. (Fig. )

Lock the strings at once

Tighten

* Don’t tighten the locking lever with plier or other tools.
It damages the mechanism of the FC nut.

3

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Part 4 : Adjustments
2

■ String height adjustment
To adjust the string height (string action), rotate the two bolts with hexagonal wrench. (Fig. )

a) If the fretted tone at the 12th fret is higher in pitch than
the harmonic tone at the 12th fret, rotate the intonation
screw clockwise to move the bridge saddle backwards.

* All the string heights can be set properly by adjusting the
two bolts.

English

Adjust the location of the bridge saddle with the hexagonal wrench.
(Fig. )

b) If the fretted tone at the 12th fret is lower in pitch than
the harmonic tone at the 12th fret, rotate the intonation
screw counter-clockwise to move the bridge saddle forwards.

Adjust string height

Move the bridge saddle
Lower action
Bridge Saddle
Higher action

a) Backward
b) Forward

■ Intonation adjustment

1

To adjust the intonation of each string, pull up the locking lever of
the FC tremolo (Fig. ) and loosen the screw inside the bridge
saddle. (Fig. )

3
4

Tighten the screw inside the bridge saddle. (Fig.

)

Return the locking lever of the FC tremolo to the original position.
(Fig. )

Unlock the bridge saddle
Tighten

Loosen

Part 5 : Adjusting the Truss Rod
1

Loosen two screws of the truss rod cover with the Phillips head
screw driver. (Fig. )

2

Rotate the truss rod nut with the screw driver. (Fig.

)

* The curvature of the neck should be slightly concave.
* Make any adjustments gradually.

Remove the truss rod cover

Adjust the neck
Screw driver

If too much
convex bend

If too much
concave bow

Truss rod cover

4

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