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【F】
[Preparation]
・Phillips Screwdriver No. 2
The install position of the drive lever (P) is very important since it has direct influence on the muting
performance (See 〔2〕 【A】 for details). When replacing the drive lever (P), follow carefully the procedures
below, and install it paying attention to the lengthwise position (Length A) from the keybed front side.
[Work Procedure]
【F-1】 E
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【F-2】 Fig. 2 - ① Remove two screws and the wire set fitting.
【F-3】 Fig. 2 - ② Remove the wire.
【F-4】 Fig. 2 - ③ Remove two tapping screws, drive lever (P) assy and spacer.
【F-5】 Fig. 3 - ① Align the spacer wood with the hollow of the action crosspiece, then place the spacer on it.
＊ It is advisable l to use double-sided tape for fastening.
【F-6】 Fig. 3 - ② Attach drive lever (P) assy following the reverse procedure of Figure 2.
＊ Adjust it using the elongate hole of the drive lever (P) assy as the lengthwise position becomes
equal to the Length A in Figure 4.
＊ Check if the lengthwise position is as shown in Figure 5.
If it exceeds the range of Figure 5, adjust the thickness of the spacer.
【F-7】 Using the adjust screw (white resin) of the shift lever, adjust the wire tension to make it like the
drawing at the top of Figure 4.
＊ Switch to the Silent mode and adjust to 1-2 mm the gap between the drive lever (P) and the
stopper rubber, then check that the angle is 12 degree inthe Acoustic mode.
At Acoustic Mode
Around 12 degree
forward tilt
Length A
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At Silent Mode
Stopper rubber
Drive lever (P)
Gap :1-2 mm
Length A
・ GM, GX-1 : 456±1mm
・ GX-2 to 5 : 466±1mm
Figure 4
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. 1
＝ How to install =
①
Wire set fitting
②
③
Spacer
– 13 –
Figure 1
＝ How to install =
①
Screw
②
Wire
Roller
Align both centers
Off center allowance :
within 2 mm
Drive base (P) assy
Figure 2
Action crosspiece
hollow
Spacer Wood (attached to the spacer)
＊ Spacer not shown in the drawing.
Figure 3
Drive lever (A)
Drive lever (P)
Figure 5
View from above
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