Sony GY-2120WD Maintenance Manual page 130

3-5. Threading Ring Block
Removal
1. Remove the CL Arm Assembly
(1) Turn the M gear of the gear box assembly
manually in the direction of the arrow and
move the CL arm assembly to the position
shown in the figure.
n
Move the CL arm assembly to the front of the
SE-358 board. If not, the CL arm assembly
cannot be removed because the stop washer is
hidden by other parts.
(2) Remove the stop washer at the top of the CL
arm.
(3) Remove the CL arm assembly from the
threading ring.
c
Do not remove the spring at the bottom of the
CL arm from the shaft.
Installation
2. Install the CL Arm Assembly
(1) Pass a new CL arm assembly through the
shaft while hooking the spring as shown in
the figure.
c
Insert the short-end spring into the groove of
the threading ring and the long-end spring
into the hole of the CL arm assembly.
(2) Fix the CL arm assembly by the stop washer.
3-50
M gear Gear box assembly
CL arm assembly
Hole
Threading ring
Groove
Remove/Install the CL Arm Assembly
CL arm assembly
Stop washer
SE-358 board
Spring
GY-2120WD/WS
SE-358
board