Ibanez EDGE-ZERO TREMOLO Manual

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EDGE-ZERO TREMOLO / ZR2 TREMOLO

The Ibanez Edge Zero or ZR2 Tremolo is a double locking tremolo that features the zero

point system that keeps the tremolo unit flat (at the zero point). This system eliminates

the hassle of tuning, which is a shortcoming of the floating tremolo, providing a more

comfortable playing experience. The Edge-Zero uses knife edge and ZR2 uses ball-

bearings for pivots.

Attaching the tremolo arm

The tremolo arm can be inserted and removed easily. Be sure to insert the tremolo arm

into the arm socket (Fig. 1 A) and push it down firmly until the arm snaps into place (Fig. 2).

The torque of the tremolo arm is adjusted with the torque adjustment cap (Fig. 3). Turning

the cap clockwise will tighten the arm torque, and turning the screw counterclockwise will

loosen the arm torque.

Caution

Be sure to fully loosen the torque adjustment cap before attaching the tremolo

arm.

Adjusting tremolo angle and Zero Point System

The angle of the tremolo is adjusted by the balance between the tension of the strings

and the zero point system installed on the back side of the guitar body. The Edge-Zero

and ZR2 tremolo are designed so that the tremolo unit sits roughly parallel to the surface

of the guitar body by adjusting the zero point system correctly. This ensures optimal

performance. Tuning is completed when the zero point system is adjusted to the correct

position. If the tremolo is roughly parallel to the surface of the body, the stop rod contacts

the tremolo block and the stopper.

To adjust the angle of the tremolo, turn the spring adjustment knob (Fig. 4 B) on the back

side of the guitar. If the stop rod (Fig. 5 C) does not contact the stopper (Fig. 5 D) (or the

tremolo is tilted forward) while the guitar is tuned correctly, turn the spring adjustment

knob clockwise to tighten the spring. If the tremolo block (Fig. 5 E) does not contact the

stop rod (or the tremolo is tilted backward), turn the spring adjustment knob counter-

clockwise to loosen the spring.

Fig. 2

Fig. 3

Fig. 4

Fig. 1

Fig. 5

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Page 1
Edge-zero tremolo / zr2 tremolo the ibanez edge zero or zr2 tremolo is a double locking tremolo that features the zero point system that keeps the tremolo unit flat (at the zero point). This system eliminates the hassle of tuning, which is a shortcoming of the floating tremolo, providing a more comf...
Page 2
Using as a floating tremolo (zero point system deactivated) the edge-zero and zr2 tremolo can also be used as a normal floating tremolo by de- activating the zero point system. While holding the arm up (with the tremolo block facing away from the stop-rod (fig. 5 c), remove the-stop rod and sub-spri...
Page 3
Replacing the strings loosen the pressure pad screws (fig. 10 p) on the locking nut with a 3 mm allen key and remove the strings from the tuning machines. Loosen the string stopper screw (fig. 9 m) on the tremolo unit with a 3 mm allen key and remove the string from the saddle. Cut off the ball end ...