Sony GY-8240UWD Maintenance Manual page 114

3-6. CTL/TC Head Cleaner Replacement
Removal
1. Removing 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
HN-258 board. Otherwise, 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 assembly.
(3) Remove the CL arm assembly from the
threading ring.
n
Do not remove the spring at the bottom of the
CL arm assembly from the shaft.
Installation
2. Installing the CL Arm Assembly
(1) Pass a new CL arm assembly through the
shaft while hooking the spring as shown in
the figure.
n
Insert the short-end of spring into the groove
of the threading ring and the long-end of
spring into the hole of the CL arm assembly.
(2) Fix the CL arm assembly by a new stop
washer.
Stop washer (2.3): 3-669-596-00
3-28
M gear Gear box assembly
Stop washer
Remove/Install the CL Arm Assembly
CL arm assembly
HN-258
board
CL arm assembly
HN-258 board
Hole
Threading ring
Spring
Groove
GY-8240UWD
GY-8240FC