Sony HCD-L7HD Service Manual page 23

PRECAUTION DURING PULLEY (RTR) ASSY, PULLEY (RTL) ASSY INSTALLATION
pulley (RTR) assy
gear (S2)
(9 o'clock position)
pulley (RTL) assy
claw
pulley (RTR) assy
Place the holes of the gear (S2) at the 9 o'clock position and install
the pulley (RTR) assy.
Install it in the way that the gear of the cut-out portion as shown is located in
between the marks of the gear (S2).
pulley (RTR) assy
claw
pulley (RTL) assy
claw
gear (S1)
pulley (RTR) assy
marks of the gear (S2)
Then install the pulley (RTL) assy in the way that it can perform
the symmetrical movement with the pulley (RTR) assy.
Then lock both claws.
Confirm that the pulley (RTR) contacts the claws.
Opposite to it, the pulley (RTL) assy must
have clearance of 1 to 2 mm with the claw.
It should contact with claw.
If clearance is too large or it contacts with claw,
adjustment is necessary.
1 to 2 mm
Method of adjustment is as follows.
Raise the right gear (S1) a little and perform adjustment
by moving the left gear (S1).
HCD-L7HD
23