1-4-5, Cam Shaft Assembly - Sony UP-897MD Service Manual

1-4-5. Cam Shaft Assembly
Removal
1.
2.
Remove the top cover. (Refer to Section 1-3-1.)
Remove the front panel assembly.
(Refer to Section 1-3-2.)
Remove the mechanical deck assembly.
(Refer to Section 1-4-2.)
Remove the thermal head. (Refer to Section 1-4-3.)
Remove the paper holder assembly.
(Refer to step 4 of Section 1-4-7.)
Remove the two bearings by rotating them in the
direction of the arrows A.
Remove the cam shaft assembly in the direction of the
arrow B.
Remove the cam (R), cam gear, cam (L), noise
reducing spring (30) and three parallel pins from the
cam shaft.
Cam gear
Cam (L)
Noise reducing
spring (30)
~) Cam shaft
RS Parallel pin
Cam (R)
9. Attach the cam shaft assembly in the reverse order of
steps 6 to 8.
10. Insert the portion A of noise reducing spring (30) into
the hole of chassis, then insert the portion B into the
hole of cam (L) by rotating it in the direction of the
arrow.
Noise reducing
Hole of cam (L) spring (30)
Portion B
Portion A
Chassis
Cam (L) Cam (R) Cam gear
11. Assemble this unit in the reverse order of steps 1 to 5.
UP-897MD