Rockwell Automation 1336S DC Bus Fuse Replacement - Manual (Page 2)

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
Bus Bar, Upper
Fuse
(Fastened to Bus Bars with Nuts)
Lug
Flat Washer
Bus Bar, Lower
Diode
(Fastened to Bus Bar with Screw)
Diode
Lead
Rockwell Automation helps its customers receive a superior return on their investment by bringing
together leading brands in industrial automation, creating a broad spectrum of easy-to-integrate
products. These are supported by local technical resources available worldwide, a global network
of system solutions providers, and the advanced technology resources of Rockwell.
Worldwide representation.
Argentina • Australia • Austria • Bahrain • Belgium • Bolivia • Brazil • Bulgaria • Canada • Chile • China, People’s Republic of • Colombia • Costa Rica • Croatia • Cyprus
Czech Republic • Denmark • Dominican Republic • Ecuador • Egypt • El Salvador • Finland • France • Germany • Ghana • Greece • Guatemala • Honduras • Hong Kong
Hungary • Iceland • India • Indonesia • Iran • Ireland • Israel • Italy • Jamaica • Japan • Jordan • Korea • Kuwait • Lebanon • Macau • Malaysia • Malta • Mexico
Morocco • The Netherlands • New Zealand • Nigeria • Norway • Oman • Pakistan • Panama • Peru • Philippines • Poland • Portugal • Puerto Rico • Qatar • Romania • Russia
Saudi Arabia • Singapore • Slovakia • Slovenia • South Africa, Republic of • Spain • Sweden • Switzerland • Taiwan • Thailand • Trinidad • Tunisia • Turkey • United Arab Emirates
United Kingdom • United States • Uruguay • Venezuela
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.