Yokogawa µR20000 - Manual (Page 77)

SM 04P01B01-01E 7-12
● Dot Model
Carriage Assembly (B9963CL)
[Item 14 on page 6-15]
1. Remove the internal unit.
2. Remove the Dot Driver PCB.
3. Remove the Ribbon Holder Assembly.
4. Loosen the screw* securing the Lever Assembly and remove the belt tension
spring.
* The screw tightening torque is 0.3 to 0.35 N•m.
Spring
Pulley Assembly
Pulley Assembly
Belt
Lever Assembly
5. Pull the main shaft toward you to remove it from the shaft securing groove.
Then, pull out the main shaft from the opening in the right side of the Frame.
Main Shaft
M-Pipe
Groove Groove
6. Hold the M-Pipe, then push it upward to remove it from the shaft securing
groove.
Then, pull out the M-Pipe from the opening in the right side of the Frame.
The belt tension must be adjusted when reassembling. See section 4.3.
7.3 Disassembly