Sony BVW-55 - Intermittent Gear Replacement

4-48
BVW-55 P2
4-14. Intermittent Gear Replacement
Outline
Replacement
Threading link assembly removal
Cam gear assembly removal
Intermittent gear replacement
Cam gear assembly installation
Threading link assembly installation
Adjustment after replacement
Tape running check
REV back tension check
Precaution
The following new stop washer is required when replacing the intermittent gear.
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): J-6325-380-A
. Torque screwdriver (for 3 kg): J-6325-400-A
. Stop washer fastening tool: J-6323-530-A
. Parallel pin (d = 2.0 mm): 3-703-358-04
. Cleaning cloth (15 cm x 15 cm): 3-184-527-01
. Cleaning fluid: 9-919-573-01
. Oil: 7-661-018-18
. Grease (RG-662): 7-651-000-59
. Tweezers
4-14. Intermittent Gear Replacement