Yamaha AvantGard N3 Onderhoudshandboek - Pagina 38

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KEY COVER

BLACK KEY

(8) Adjust damper holder front/rear position

8-1 Loosen the screw marked [S09] and the screw marked

[S16] holding the damper holder to the arm. (Fig. 3)

8-2 Adjust the key cover front/rear position to the front/

rear standard 1 and 2 given in (7) by moving the damper

holder forward or backward as needed. (Fig. 3)

8-3 Tighten the two (2) screws holding the damper holder.

(Fig. 3)

If necessary, the adjustment can be performed by not

only loosening but also removing the screws holding

the damper holder from the inside of the arm, however,

this is not recommended as it will most likely require

new pilot holes. If removal cannot be avoided and

tightening of the screws is not possible in step "8-3",

follow the instructions in section "Adjustment proce-

dure by replacing damper holder".

(9) Install arm upper and front board

Install the arm upper and front board reversing the procedure

described in section (5). However, do not fix the protect

cover to the front board at this time.

(10) Clearance between front board and key cover

within speciﬁ cation?

Standard 1 Make sure the front board and key cover do not

touch when closing the key cover. (Fig. 6)

Standard 2 Make sure that with the key cover closed the

clearance between the front board and the key

cover is not too wide and the difference between

the left and right side is not too large. (Fig. 6)

(Reference)

Standard value D (at shipment):

3.2 mm ±3 mm, difference on the left and right

within 2 mm (Fig. 6)

(11) Remove parts

11-1 Remove the top board.

11-2 Loosen the seven (7) screws marked [S2E] holding the

protect cover to the front board cleat. (Fig. 7)

Fig. 4

KEY COVER

ARM

(12) Adjust front board height using spacers

Adjust to the standard given in section (10) by inserting or

removing damper holder spacers as necessary at the portions

where the front board is held by screws (2 places each on the

left and right side). (Fig. 7)

(13) Reattach parts

13-1 Attach the protect cover to the front board.

13-2 Attach the top board.

(14) Does the key cover close properly?

Standard 1 Make sure there is no looseness when closing

the key cover.

Standard 2 Make sure the closed key cover is parallel with

the arms. (Left and right side)

(Reference)

Standard value (at shipment):

Difference in level between the upper surface

of the closed key cover and the upper surface

of the arm (left and right) within 2 mm

(15) Adjust using key block rubber buttons

Adjust to the standard given in section (14) by replacing the

rubber buttons with rubber buttons of appropriate size.

(Fig. 3)

FRONT BOARD

KEY COVER

Fig. 5

Fig. 6