Sony DNW-A100 Maintenance Manual page 297

Removal
1. Tension Spring Removal
Remove the two springs caught on the T tension
base.
2. T Tension Arm Removal
(1) Remove the stop washer, then remove the T
tension arm.
m
. Do not reuse the stop washer.
. A polywasher may be attached together
when the T tension arm is removed. In this
case, remove the polywasher from the T
tension arm and return it to the shaft.
(2) Remove the two bearings and two springs
from the T tension arm.
n
The two springs are the same.
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
5-17. T Tention Arm Replacement
T tension arm
Tension Spring Removal
Stop washer
Bearings
T Tension Arm Removal
Spring
T tension base
Spring
T tension arm
Springs
Polywasher
5-113