Disassembly And Reassembly Of The Head Assembly And Step Motof - Panasonic JU-314 Service Manual

(6) Remove the set screw on the left-side
clamp and remove the left-side clamp.
(7) Remove the set screw on the clamp end
and remove the clamp end.
(8) Draw out the long and short shafts.
Left Side Clamp
~i
~
Short Shaft
Right Side Clamp
i
'1--
Clamp End
,'
~
/ L o o g S h • f t
Fig. 11.4 Removing the Head Assembly
(9) Remove the two fastening on the step
motor and remove the step motor by
holding it by hand together with the head
assembly.
Step Motor
Cable Connector
Fig. 11.5 Removing the Step Motor
(lO)Remount them following the reverse
procedure of the above steps (1) to (9).
When remounting the right-side clamp in
step (5). remount it while pushing it in the
arrow direction shown in figure 11-6.
When remounting the right-side left-side
clamps, replace them with new ones.
Right Side Clamp
0
When remounting the right side clamp push it
toward the right by the width of the play.
Fig. 11.6 Remounting the Right-Side Clamp
(1 l)After mounting the above, adjust the head
alignment according to paragraph 9.5,
adjust the track 00 sensor according to
paragraph 9.8, and adjust the limiter
according to paragraph 9. 10.
11.4 Disassembly and Reassembly of the head
Assembly and Step Motor
- 14 -
Disassembly
(1) Mount the head assembly and step motor
on a fitting jig as shown in figure 11-7 and
remove the steel-belt fastening screw on
the step-motor capstan and the same on
the carriage section.
Fig. 11. 7 Removing the Steel Belt
Reassembly
(1) Mount the step motor and head on the jig
as shown in figure 11-8 and 11-9.
(2) Wind a new steel belt in the shape of alpha
as shown in figure 11-9.