Allen-Bradley DC Bus Fuse Installation Instructions

Instructions
1336 PLUS Adjustable Frequency AC Drive
DC Bus Fuse Replacement
D Frame Drives
This publication will guide you through replacement of the DC bus
fuse assembly on D Frame 1336 PLUS AC Drives.
Use the table below to verify that the correct Fuse Kit was received.
Drive Catalog
Number
1336S-A040
1336S-A050
1336S-A060
1336S-B060
1336S-B075
1336S-B100
1336S-B125
1336S-BX150
1336S-C075
1336S-C100
1336S-C125
Fuse Kit
Catalog Number
1336-CONV-SP15A
1336-CONV-SP16A
1336-CONV-SP17A
1336-CONV-SP14A
1336-CONV-SP15A
1336-CONV-SP16A
1336-CONV-SP17A
1336-CONV-SP17A
1336-CONV-SP14A
1336-CONV-SP15A
1336-CONV-SP16A
Fuse Rating
(Amperes)
250
300
350
200
250
300
350
350
200
250
300
Each kit consists of the following components:
Component Description
Bus Bar, Upper & Lower
Diode with Lead, Lug & Screw
Fuse
Screw Assembly with Washer & Lockwasher
Nut/Washer
Flat Washer
Label
Insulating Paper
!
!
Quantity
1 each
1 each
1
2
2
2
1
1
ATTENTION: This drive contains ESD (Electrostatic
Discharge) sensitive parts and assemblies. Static control
precautions are required when installing, testing, servicing
or repairing this assembly. Component damage may result
if ESD control procedures are not followed. If you are not
familiar with static control procedures, reference
publication 8000-4.5.2, “Guarding Against Electrostatic
Damage” or any other applicable ESD protection handbook.
ATTENTION: To avoid a shock hazard, assure that all
power to the drive has been removed before proceeding. In
addition, verify that the DC bus has discharged by
measuring across the “+DC” and “–DC” terminals of TB1
with a voltmeter. The voltage should be 0.0VDC.
2
1336 PLUS Adjustable Frequency AC Drive DC Bus Fuse Replacement
1. Remove and lock-out all incoming power to the drive.
2. Remove the drive front cover and clear protective guard to gain
access to the DC bus fuse.
3. Remove the existing fuse. Discard the fuse and bolts.
4. Install, but do not tighten the new fuse to the supplied bus bars (see
figure below). Secure the diode to the upper bus bar.
5. Mount, but do not tighten the bus bars (with fuse and diode) using
the hardware shown. Pay particular attention to the screw, lug,
washer combination on the lower bus bar. When bus bars are
correctly positioned, tighten hardware to 11.0-12.5 N-m (97-111
lb.-in.). When tightening, hold lug to guard against movement.
6. Remove the adhesive strip from the insulating paper and position
on the underside of the protective guard to shield the new fuse.
Replace the guard. Install the new fuse label over the existing label
on the guard. Replace the front cover.
!
ATTENTION: Replace any guards previously removed
before applying power to the drive. Failure to replace guards
may result in death or serious injury.
Screw Assembly
Diode
Lead
Lug
Flat Washer
Diode
(Fastened to Bus Bar with Screw)
Bus Bar, Upper
Bus Bar, Lower
Fuse
(Fastened to Bus Bars with Nuts)
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Rockwell Automation Headquarters, 1201 South Second Street, Milwaukee, WI 53204-2496 USA, Tel: (1) 414 382-2000, Fax: (1) 414 382-4444
Publication 1336 PLUS-5.68 – September, 1997
P/N 188560
Copyright 1997 Rockwell International Corporation. All rights reserved. Printed in USA.
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