5–13Part Replacement Procedures
Publication 1336 IMPACT-6.2 – March 1998
Input Rectifier SCR1
The Input Rectifier SCR1 is located on the heat sink, behind the
Snubber Board.
Figure 5.6
Input Rectifier SCR1
AB0349B
Input Rectifier
SCR1
Preform
3
2
1
22
21
23
A
B
C
Removal
!
ATTENTION: Disconnect and lock out power from
the drive before disassembling the drive. Failure to
disconnect power may result in death or serious injury.
Verify bus voltage by measuring the voltage between
+DC and –DC on terminal block TB1. Do not attempt
to service the drive until the bus voltage has discharged
to zero volts.
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