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(5) Remove parts

5-1 Remove the top board.

5-2 Remove the front board.

5-3 Remove the left and right arm upper.

(6) Adjust damper holder up/down position

6-1 Loosen the screw marked [S09] and the screw marked

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

DAMPER

HOLDER

SPACER

DAMPER

HOLDER

[S16]

KEY

BLOCK

ARM

RUBBER BUTTON

KEY

BLOCK

RUBBER

DAMPER

BUTTON

HOLDER

[S09]

ARM

(7) Key cover front/rear position within standard?

(Check the left and right end.)

Standard 1 Make sure that with the key cover opened the

gap between the back of the black keys and the

front surface of the key cover is within standard.

(Fig. 4)

(Reference)

Standard value B (at shipment):

3.3 mm +1.7 mm/-1.3 mm, difference on the

left and right within 1 mm (Fig. 4)

DAMPER

HOLDER

SPACER

6-2 Adjust the key cover height to the height standard given

in (4) by changing the number of damper holder spacers

below the damper holders as needed. (Fig. 3)

6-3 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

"6-3", follow the instructions in section "Adjustment

procedure by replacing damper holder".

Fig. 3

Standard 2 Make sure that with the key cover closed the

difference in level between the front surface of

the arm and the front of the key cover is within

the standard (especially the difference on the left

and right). (Fig. 5)

(Reference)

Standard value C (at shipment):

3.2 mm ±2 mm, difference on the left and right

within 2 mm (Fig. 5)

DAMPER

HOLDER

SPACER

DAMPER

HOLDER

[S16]

KEY

BLOCK

ARM

RUBBER BUTTON

DAMPER

HOLDER

SPACER

RUBBER

DAMPER

BUTTON

HOLDER

[S09]

ARM

KEY

BLOCK