Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 786)

Section 15B
Replacement Procedures
15B-30
To replace the color CRT fuse:
1. Turn OFF all power to the control.
ATTENTION: To guard against electrical shock hazards, never
make connections or disconnections at the AC distribution
network unless the main AC disconnect switch is open and
locked.
2. Remove the cover that covers the rear of the color operator panel.
3. Remove the fuse(s) from its holder and replace it with a
recommended replacement fuse. Refer to Figure 15B.8 for the
location of the color CRT fuses.
ATTENTION: Use only replacement fuses of the type and
rating specified for the color CRT. Improper fuse selection may
result in equipment damage.
Figure 15B.8
Location of Color CRT Fuses
Rear of color
monitor
ac power
connection
1.2A
3A
AC H
AC L
4. After replacing the fuse(s), replace the rear cover of the color
operator panel, then turn power ON.
15B.15
Replacing the Fuse in the
Color CRT