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Rockwell Automation 2364F RGU Precharge Resistor Replacement User Manual

Rgu™ precharge resistor replacement, Replacement kit instructions

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Publication 2364F-5.17 March 1999

Replacement Kit Instructions

RGU™ Precharge Resistor Replacement

Contents

This document shows how to remove and replace precharge resistors in a
Regenerative DC Bus Supply Unit (RGU).

What This Kit Contains

Using the table below, verify that you have received the appropriate items in
your kit:

Other Items Needed

Before you begin, be sure you also have the following:

Tools you will need for:

Measuring voltages

Removing, loosening, and tightening screws

Removing, loosening, and tightening nuts

Torquing screws and nuts (10 to 75 lb-in / 1.0 to 8.5 N-m)

Documentation:

Your drive system schematics

Publication 2364F-5.01, Regenerative DC Bus Supply Unit (RGU)–

User Manual

For this part:

You should receive this quantity:

precharge resistor

one 6 ohm resistor (2364-SPK03B)

or

two 27 ohm resistors (2364-SPK02A)*

* Only older J-code RGUs with 27 ohm resistors will use kit 2364-SPK02A.