Yamaha AvantGard N2 Wartungshandbuch - Seite 36

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• Parts to prepare

• Key cover set: WY612200

<< Contents of set >>

• Key cover:

• Damper holder L:

• Damper holder R:

(1) Replace key cover with new part

Replace the key cover unit with the one prepared for

replacement.

(2) Attachment possible?

Standard 1 Make sure there is no danger of the key cover

dampers coming off the damper holders.

Standard 2 Make sure the key cover dampers fit between

the left and right damper holder.

DAMPER

[S0C]

DAMPER ANGLE

[S12]

(4) Key cover height within standard?

(Check the left and right end.)

Standard 1 Make sure the red felt does not rub against keys

and is not rolled up when opening the key cover.

(Fig. 2)

Standard 2 Make sure the gap between the red felt and

the keys is not too wide when the key cover is

opened. (Fig. 2)

(Reference)

Standard value A (at shipment):

4.5 mm ±1 mm, difference on the left and right

within 1 mm (Fig. 2)

• Damper holder spacer: WU82040, WU89920

WU18480

• Rubber button:

WY158800

WY158900

[S12]

Z2681600, Z0061800, Z0062500

(3) Attach after adjusting damper width

3-1 Remove the eight (8) screws marked [S12] and remove

the key cover back. (Fig. 1)

3-2 Loosen the four (4) screws marked [S0C] holding the

damper angle to the key cover and adjust the width of the

dampers. (Fig. 1)

3-3 Install the key cover back to the key cover and install to

the main body. (Fig. 1)

KEY COVER

[S12]

KEY COVER BACK

Fig. 1

KEY COVER

KEY

DAMPER ANGLE

[S12]

FELT (RED)

Fig. 2

DAMPER

[S0C]