Konica Minolta 0902, Service Manual

Page: 248 / 302

Chapter 5 Disassembly and Assembly
5-128
5.10.9 Replacing the Tumbler (Upper)
This section describes the instructions on how to replace the tumbler (upper).
Work outline
Listed below are the number of people and the rough standard of work hours required for performing the
works described in this section.
Requirements
The works in this section can be performed using only the standard tools.
1
See " Removal Procedures (Page 5-6)" in "5.2.3 Removing/Installing the Exterior Panel and
Insertion Unit" to remove the exterior panel and insertion unit.
2
Rotate the shaft clockwise and move the push
plate unit to the vicinity of the transporter home
position.
This work is intended for the case that the push plate is
at the read position.
1. Move the optical unit to the second front back side.
2. Rotate the shaft clockwise and move to the vicinity of
the transporter home position.
3
Remove the tumbler (upper).
•
2 screws for each one (M4 x 8)
4
Install the new tumbler (upper).
•
2 screws for each one (M4 x 8)
5
See " Installation Procedures (Page 5-8)" in "5.2.3 Removing/Installing the Exterior Panel
and Insertion Unit" to install the insertion unit and exterior panel.
Now, you have finished with the procedures to replace the tumbler (upper).
Caution
Be sure to turn off the power supply circuit breaker and unplug the power cable from the
equipment whenever you disassemble/assemble the equipment.
Personnel
Number
Work Hours (steps 2 to 4)
1
First Front Back Side Top
Important
Make sure that it is able to receive the push
plate unit (as shown in the figure) after
installing it.