36
N1
Fig. 1
Fig. 2
• Parts to prepare
• Key cover set: WY612200
<< Contents of set >>
• Key cover:
WU18480
• Damper holder L: WY158800
• Damper holder R: WY158900
(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.
(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)
(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)
[S0C]
[S12]
[S12]
[S12]
[S12]
[S0C]
DAMPER
DAMPER ANGLE
[S0C]
[S0C]
DAMPER
DAMPER ANGLE
KEY COVER
<Top view>
<Bottom view>
KEY COVER BACK
KEY COVER
KEY
FELT (RED)
A
<Side view>
• Damper holder spacer: WU82040, WU89920
• Rubber button:
Z2681600, Z0061800, Z0062500
