5–23Part Replacement Procedures
Publication 1336 IMPACT-6.2 – March 1998
6. Slide the Bus Capacitor Bank to the right to unlock the right side
of the capacitor frame from the tabs located on the Main Chassis.
7. Pull the Bus Capacitor Bank away from the drive to remove the
capacitors from the drive.
Installation
1. Fasten the capacitor assembly in reverse order of removal. Refer
to Table 3.A – Fastener Torque Specifications.
2. Connect the Load-Sharing Resistors to the Bus Capacitors
according to the following diagram.
Figure 5.10
Load-Sharing Resistor Connections to Bus Capacitors
A
++
AB0326A
C1
C2
+
+
E1+
E2–
20–25 HP @ 230V
40–50 HP @ 380/460V
60 HP @ 460V
E3
E4
E6
C3
C4
+
+
C5
C6
+
+
C1
C3
+
E1+
E2–
E3
E4
E5
C2
C4
+
E14
++
C5C6
E6
E15
13.6K
Ohms
13.6K
Ohms
25–60 HP @ 575V
B
13.6K
Ohms
!
ATTENTION: The Capacitor Bus PCB must connect
a positive (+) capacitor terminal to a negative (–)
capacitor terminal. Capacitors not connected correctly
will explode and cause death or serious injury.
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