Konica Minolta 0902, Service Manual

Page: 254 / 302

Chapter 6 Adjustment
6-2
6.1 Adjust Justifier Belt Tension
Adjust the tension of the timing belt for the justifier mechanism in the receiver unit.
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
Shown below are the tools requiring to be prepared in addition to the standard tools before performing the
works in this section.
Positioning and adjustment parts for timing belt
Adjustment method
1
See " Removal Procedures (Page 5-6)" in "5.2.3 Removing/Installing the Exterior Panel and
Insertion Unit" to remove the first front panel.
2
Measure the belt tension.
Strike around the center of the belt, and measure the
vibration noise toward the end of the belt.
See
"8.5 Operation of the Acoustic Wave Tension Meter
(Page 8-13)" for how to use the acoustic wave tension meter.
Specified value is following. Perform the adjustment
according to
Step 3 - Step 5 if it is out of range.
Personnel
Number
Work Hours (steps 2 to 5)
1
No. Tool
1 Acoustic wave tension meter
Caution
Be sure to turn off the power supply circuit breaker and unplug the power cable from the
equipment whenever you adjust the unit position of the equipment.
Justifier Motor Unit Assembly
Timing Belt
First Front Side
Specified
value Tension: 15.8 ± 2 N
Confirmation
method Acoustic wave tension meter
Input data
•
Weight (MASS): 1.3g/m
•
Width: 6.0mm
•
Span: 418mm