Cam Gear Assembly Replacement - Sony BVW-55 Maintenance Manual

4-13.

Cam Gear Assembly Replacement

Outline
Replacement
S cam gear positioning
T tension regulator arm assembly removal
Tension regulator band removal
Release arm assembly removal
T tension drawer arm assembly removal
Cam gear assembly removal
Cam gear assembly installation
T tension drawer arm assembly installation
Release arm assembly installation
Tension regulator band installation
T tension regulator arm assembly installation
Parallel pin removal
Adjustment after replacement
Tape running check
REV back tension check
Precaution
The new stop washers (six pieces) are required when replacing the cam gear assem-
bly.
Stop washer: 3-559-408-11
Preparations
1. Put the unit into the unthreading end state.
2. Turn off the power.
3. Remove the upper frame.
(Refer to the Maintenance Manual Part 1, Section 1-6.)
4. Remove the cassette compartment
(Refer to the Maintenance Manual Part 1, Section 1-7.)
Tools
. Torque screw driver bit (for M2):
. Torque screwdriver (for 3 kg):
. Stop washer fastening tool:
. Cleaning cloth (15 cm x 15 cm):
. Cleaning fluid:
. Oil:
. Grease (RG-662):
. Tweezers
BVW-55 P2
J-6325-380-A
J-6325-400-A
J-6323-530-A
3-184-527-01
9-919-573-01
7-661-018-18
7-651-000-59
4-13. Cam Gear Assembly Replacement
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