Sony GY-2120WD Maintenance Manual page 131

3. Confirm the CL Arm Assembly
Operation
(1) Turn the M gear of the gear box assembly
manually and confirm the items below while
repeating the threading and unthreading.
. The CL arm assembly moves along the CL
guide rail.
. The cleaning roller cleans the CTL/TC
head.
. Confirm that clearance exists in portion A
between the CL arm assembly and shield
case when the CTL/TC head is cleaned.
(2) Turn the power on and confirm that the CL
arm assembly smoothly operates while
repeating the threading and unthreading.
GY-2120WD/WS
Shield case
CL arm
assembly
A
A = Clearance exists.
CL arm
assembly
Confirm the CL Arm Assembly Operation
3-5. Threading Ring Block
Shield case
CTL/TC head
M gear
CL guide rail
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