Sharp VT-3448X Service Manual page 30

REPLACEMENT AND HEIGHT CHECKING
AND ADJUSTMENT OF REEL DISKS
l Removal (Supply and Take-up reel disks)
which makes unnecessary removal of the supply main brake
and the take-up main brake.
reel disk.
Tension Arm Ass'y
Supply main brake
Tension band
Supply reel disk
Figure l-4.
Note:
When the tension band is pressed in the direction of the arrow
for removal, the catch is hard to be deformed.
0
Figure l-5.
l Reassembly (Supply reel disk)
and install a new supply reel disk onto the shaft.
insert it into the hole of the tension arm with the supply
auxiliary brake lever released.
Take-up main brake
Take-up reel disk
Notes:
@Take enough care not to deform the tension band during
installation of the supply reel disk.
reel relay gear.
l Reassembly (Take-up reel disk)
phase of the reel disk to that of the reel relay gear and to
install a new take-up reel disk onto the shaft.
main brake.
Note:
Take care not to damage the take-up main brake.
After reassembly, check the video search rewind back
tension (see page 33), and check the brake torque (see
page 35).
Height checking and adjustment
Note:
Place the master plane onto the mechanism unit, taking
care not to hit the drum (see Figure l-6).
When placing the master plane, move a little the reverse
guide toward the loading.
* Be careful that the reverse guide is not removed too
much. Otherwise, it may be broken.
Take-up reel disk
Set the master plane releasing the
reverse guide by a finger.
Figure 1-6.