Swing Gear Replacement - Sony BVW-55 Maintenance Manual

3-8. Swing Gear REplacement

3-8. Swing Gear Replacement
Outline
Replacement
Timing belt removal
Swing gear replacement
Timing belt installation
Adjustment after replacement
Tape running adjustment
Precautions
. The mechanical deck assembly should be removed from the unit when the swing
gear is replaced. Be careful not to damage the video heads, drum, and other parts
during removal.
. The following new stop washer is required when replacing the swing gear.
Stop washer: 3-315-384-11
Preparations
1. Turn off the power.
2. Remove the mechanical deck assembly. (Refer to Section 3-1-8.)
Tools
. Hexagon bit (Across flat has 1.5 mm):
. Torque screwdriver bit (for M1.4):
. Torque screwdriver (for 3 kg):
. Stop washer fastening tool:
. Cleaning cloth (15 cm x 15 cm):
. Cleaning liquid:
Removal
1. Timing belt removal
(1) Loosen the two screws shown in the figure of
the gear assembly by one half to one turn.
3-34
J-6326-120-A
J-6325-110-A
J-6325-400-A
J-6323-530-A
3-184-527-01
9-919-573-01
Screw (loosen)
Gear assembly
BVW-55 P2