Konica Minolta 0902, Service Manual

Page: 193 / 302

Chapter 5 Disassembly and Assembly
5-73
5.5.4 Replacing the Tumbler (Lower)
This section describes the instructions on how to replace the tumbler (lower).
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)" of the "5.2.3 Removing/Installing the Exterior Panel
and Insertion Unit" , and remove the first font back panel.
2
Move the push plate unit into 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. Turn the A in the figure (drive shaft presser) to move it
to the press down position side.
3
Remove the tumbler (lower).
•
2 screws for each plate (M4 x 8)
4
Install the new tumbler (lower).
•
2 screws for each plate (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 first front back panel.
Now, you have finished with the procedures to replace the tumbler (lower).
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
A
First Front Back Side
Important
Make sure that it is able to receive the push
plate unit (as shown in the figure) after
installing it.