Sony SRW-5000 Maintenance Manual page 239

3. Adjusting the Pinch Arm Assembly
Vertical Play
(1) Push the pinch arm assembly manually in the
direction of drum, then release.
At that time, confirm that the pinch arm
assembly smoothly returns to the former
position.
If the pinch arm assembly does not return
smoothly, perform the steps (2) to (4) below.
(2) Remove the stop washer.
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Be careful not to touch the tools to the
peripheral tape guides when removing the
stop washer.
(3) Confirm that the poly-slider washer 2 is
under the pinch arm assembly.
(4) Replace the poly-slider washer 1 in the
following order and meet the specification in
step (1).
1. Poly-slider washer (t = 0.25 mm)
2. Poly-slider washer (t = 0.13 mm)
3. No poly-slider washer
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Be sure to perform the confirmation after
fixing the pinch arm assembly by the new
stop washer.
4. Cleaning
Clean the pinch roller and TG-5 guide surfaces
with a cleaning cloth moistened with cleaning
fluid. (Refer to Section 4-2-6.)
SRW-5000/5500
TG-5 guide
. Poly-slider washer for adjustment
Diameter Thickness
0.13 mm
3.0 mm
0.25 mm
Adjust the Pinch Arm Assembly Vertical Play
Pinch arm assembly
Pinch roller
Part No.
3-701-439-01
3-701-439-11
5-33