Assembly Repl. (T-Frame) User Manual

ManualsBrandsRockwell Automation ManualsEquipment2361 Armature Heatpipe

EPLACEMENT

NSTRUCTIONS

Armature Heatpipe Assembly

Replacement

(for 3000A 1395 Drives)

Contents This document shows how to remove and replace an armature

heatpipe assembly in a 3000A 1395 DC drive.

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 needed for:

• Removing, tightening, and torquing nuts and bolts

(ratchet with extension, 9/16” socket, torque wrench for

25 lb-ft)

• Loosening and tightening screws (slotted screwdriver)

• Testing for voltage (multimeter)

• Documentation:

• Your drive system schematics

• Publication 1395-5.40, Bulletin 1395 Digital DC Drive–

User Manual

• Publication 2361-5.01, Bulletin 1395 Digital DC Drive in

Bulletin 2361 Motor Control Center for Drive Systems–

User Manual

For this part: You should receive this quantity:

armature heatpipe assembly 1

Summary of content (8 pages)

PAGE 1
REPLACEMENT KIT INSTRUCTIONS Armature Heatpipe Assembly Replacement (for 3000A 1395 Drives) Contents This document shows how to remove and replace an armature heatpipe assembly in a 3000A 1395 DC drive.
PAGE 2
Armature Heatpipe Assembly Replacement (for 3000A 1395 Drives) Safety Precautions The following general precautions apply when working on drives: ! ATTENTION: Only those familiar with the drive system, the products used in the system, and the associated machinery should plan or implement the installation, startup, and future maintenance of the system. Failure to comply can result in personal injury and/or equipment damage.
PAGE 3
Armature Heatpipe Assembly Replacement (for 3000A 1395 Drives) 3 Preliminary Steps Before replacing the armature heatpipe assembly, shut off the drive power, wait five minutes for the voltage to discharge, open the bridge bay door, and remove the Lexan™ shielding. Removing the Heatpipe Assembly 1. Using a voltmeter, test the voltage across the three phases, then across the heatpipe assembly components (including the SCRs).
PAGE 4
Armature Heatpipe Assembly Replacement (for 3000A 1395 Drives) Figure 1 Removing the Heatpipe Assembly 2 3 4 7 5 9 6
PAGE 5
Armature Heatpipe Assembly Replacement (for 3000A 1395 Drives) Replacing the Heatpipe Assembly 5 1. Ensure that the assembly is arranged for the proper polarity. Positive leg assemblies (with the large side of the SCR to the back) are to be installed on top, and negative leg assemblies (with the large side of the SCR to the front) are to be installed on the bottom. ! ATTENTION: The heatpipe assembly weighs about 75 pounds.
PAGE 6
Armature Heatpipe Assembly Replacement (for 3000A 1395 Drives) Figure 2 SCR Orientation (Positive) Figure 3 SCR to Board Wiring
PAGE 7
Armature Heatpipe Assembly Replacement (for 3000A 1395 Drives) Concluding Steps 7 After installing the heatpipe assembly, replace all Lexan shielding and secure the bridge bay door. Dispose of the old parts according to your company procedures and local codes.