1-22 (No.MA377<Rev.004>)
3.2.9 Removing the trigger arm
(See Fig.14)
• Remove the top cover, base board, chassis unit and clamper
assembly.
(1) From the top side of the chassis unit, remove the trigger
arm spring from the sections (
n
,
p
).
(2) From the bottom side of the chassis unit, release the claws
q
of the trigger arm base in the direction of the arrow to remove
them from the sections
r
of the chassis unit to the other side.
Note:
When releasing the claws
q
, take care not to break them.
(3) From the top side of the chassis unit, move the select arm R
and select lock arm in the direction of the arrow to remove
the trigger arm base from the section
s
in the direction of the
arrow.
(4) Remove the trigger arm from the section
t
.
Fig.14
3.2.10 Removing the top plate assembly
(See Fig.15)
• Remove the top cover, base board, chassis unit, clamper assembly
and trigger arm.
(1) Remove the screw
H
attaching the top plate assembly.
(2) Move the top plate assembly in the direction of the arrow to
release the joints (
u
,
v
).
Reference:
Remove the wires from the soldered sections
w
of the top plate
assembly as required.
Note:
When reassembling, solder the wires as before.
Fig.15
Chassis unit
q
r
Trigger arm base
Trigger arm
p
t
n
Trigger arm
spring
s
Select lock arm
Select arm R
Chassis unit
H
w
Wire(Red)
Top plate assembly
Wire(White)
Wire(Brown)
u
v
