Yamaha AvantGard N3 Maintenance Handbook page 25

4. Key Block
Remove the two left/right screws [S2EB], and remove the key block.
<Top view>
[S2EB] [S2EB]
KEY BLOCK L
5. Front Rail
Remove the two left/right screws [S2ED] (2 each), and remove the key slip.
* Tighten the screws in the numerical order of q and w in the fi gure during installation of the front rail assembly.
<Top view>
[S2ED]
6. Action * Change the step sequence in No. 6 through No. 9 according to the task contents.
6-1 Remove the two (2) screws marked [591].
6-2 Remove the eight action bracket installation screws, and then remove the action while gripping
the shank stopper lower sound part and the shank rail next high sound side as shown in the
photo (right).
* We recommend you use a screwdriver with long shaft to remove the screws
for the action bracket.
[591]
FRONT RAIL
N1
[S2EB]
[S2EB]
KEY BLOCK R
[S2ED]
[591]
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