Yamaha AvantGard N2 Maintenance Handbook - Page 38
Browse online or download pdf Maintenance Handbook for Musical Instrument Yamaha AvantGard N2. Yamaha AvantGard N2 45 pages. Hybrid piano
Print Page
N1
<Side view>
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)
38
B
Fig. 4
<Side view>
C
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)
<Side view>
FRONT BOARD
D
KEY COVER
Fig. 5
Fig. 6