Chapter 3
3–1
Publication 1336 IMPACT-6.2 – March 1998
Disassembly and Access
Procedures
This chapter describes general disassembly procedures required to
access internal drive components.
!
ATTENTION: Some printed circuit boards and drive
components may contain hazardous voltage levels.
Remove and lock out power before you disconnect or
reconnect wires and before you remove or replace
fuses and circuit boards. 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.
!
ATTENTION: Servicing energized industrial control
equipment can be hazardous. Electrical shock, burns,
or unintentional actuation of controlled industrial
equipment may cause death or serious injury. Follow
the safety-related practices of NFPA 70E, Electrical
Safety for Employee Workplaces, when working on or
near energized equipment. Do not work alone on
energized equipment.
!
ATTENTION: This assembly contains parts and
sub-assemblies that are sensitive to electrostatic
discharge. Static control precautions are required when
servicing this assembly. Component damage may result
if you ignore electrostatic discharge control procedures.
If you are not familiar with static control procedures,
reference Rockwell Automation Publication
8000-4.5.2, Guarding Against Electrostatic Discharge,
or any other applicable ESD protection handbook.
Chapter Objectives
Disassembly and Access
Overview
Electrostatic Discharge
Precautions
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