Yokogawa µR20000 - Manual (Page 79)

SM 04P01B01-01E 7-14
● Pen Model
Pen Servo Assembly (B8800FG)
[Item 23 on page 6-5] ,
Pen Driver PCB [Item 7 on page 6-4]
Pen Arm Assembly
[Items 24 to 27 on page 6-5]
CAUTION
• If any foreign material adheres to the mechanism of the Pen Servo Assembly
that moves the pens, malfunction can occur.
• If any foreign material adheres to the bottom of the Pen Servo Assembly, that
foreign material can fall onto components during assembly and cause
malfunction.
• Before assembly, visually inspect the mechanism that moves the pens and the
bottom to confirm that no foreign materials have accumulated, and if necessary,
use an air blower to clean the affected areas.
Mechanism that moves the pen
Pen Arm Assembly
Pen Servo Assembly
1. Remove the internal unit.
2. Remove the Dust Cover from the top of the internal unit.
Dust Cover
7.3 Disassembly