Sony DNW-A100 Maintenance Manual page 217

Removal
1. Remove the CL Arm Assembly
(1) Turn the M gear of the gear box assembly
manually and move the CL arm assembly to
the position shown in the figure.
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Move the CL arm assembly to the front of the
SE-341 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 assembly.
(3) Remove the CL arm assembly from the
threading ring.
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Do not remove the spring at the bottom of the
CL arm from the shaft.
Installation
2. Attach the CL Arm Assembly
(1) Pass a new CL arm assembly through the
shaft while hooking the spring as shown in
the figure.
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Insert the short-end of the 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 new stop
washer.
Stop washer (2.3) : 3-669-596-00
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
M gear Gear box assembly
CL arm assembly
Hole
Threading ring
Groove
Remove the CL Arm Assembly
5-5. AT Head Cleaner Replacement
SE-341
CL arm assenbly board
Stop washer
SE-341 board
Shaft
Spring
5-33