Yokogawa µR20000 - Manual (Page 43)

4-12
SM 04P01B01-01E
Adjusting the Belt Tension of the Printing Carriage
● Overview
This is an adjustment of the belt tension of the printing carriage. The adjustment is
performed when printer component is replaced.
● Tools Used
Name Part number
Idle pulley jig B8801AB
52.5
20.5
15
5
12.5
2-R1.5
58.5
+
- 0.05
● Procedure
Push in the pulley until it is fixed in place by the latch.
1. Attach the printing carriage belt as shown in the figure.
After attaching the belt, wipe the back of the belt with a non woven fabric with
Ethyl alcohol and to remove dirt and oils.
2. Confirm that the printing carriage moves smoothly by holding the printing
carriage, then moving it from 0% up and back, then moving to around 50%.
3. Loosen screw A and set the idle pulley jig as shown in the figure.
Align the right leg of the jig with the Lever Assembly spring hook, and the left leg
with the side of the internal unit.
4. Fasten screw A. The tightening torque is 0.3 to 0.35 N•m.
0%
50%
100%
B8801AB DOT
Idle pulley jig
Screw A
Belt
Printing Carriage
Pulley
Pulley
Push in the pulley until it is fixed in place by the latch.
4.3 Adjustments to the Dot Model