Rockwell Automation Publication 1512A-UM101B-EN-P - December 2021
55
Chapter 5 Maintenance
10. Again check and verify that the flares at the top and bottom of the fuse
are not in the contact area of the fuse clip.
11. If interphase barriers were previously removed, confirm they are
properly reinstalled.
Figure 42 - Clip-on Style Medium Voltage Power Fuse
Contactor Maintenance
See Medium Voltage Contactor 800 A, 2400…7200V (Series F) user manual,
publication
for contactor maintenance instructions.
Remove the Contactor
1. Disconnect the control wiring harness from the wire plug at the lower
left side of the contactor (see
).
2. Remove the control power transformer primary fuses from the top of the
contactor.
3. Disconnect the control power transformer primary leads from the fuse
terminals at the top of the contactor.
4. Use a 9/16 in. socket wrench to disconnect the power cables and bus bars
from the rear of the contactor.
Flares
Blown Fuse Indicator
(shown in blown state)
ATTENTION:
To avoid shock hazards, lock out incoming power (refer
Power Lock-out Procedure on page 49
) before working on the
equipment. Verify with a hot stick or appropriate voltage measuring
device that all circuits are voltage free. Failure to do so may result in
severe burns, injury, or death.
