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Cisco 7000 Replacement Instructions Manual
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Cisco 7000 Replacement Instructions Manual

Air filter and chassis blower replacement
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Doc. No.
78-1059-04
Cisco 7000 and Cisco 7507
Air Filter and Chassis Blower
Replacement Instructions
Product Numbers: MAS-7KFAN and ACS-7KFILTER
Customer Order Number: DOC-781059=
This document contains instructions for replacing the air filter and the chassis blower in the
Cisco 7000 and Cisco 7507.
Note
therefore, throughout this document, both chassis are referred to as the chassis, with differences
clearly noted.
The air filter, which is integrated with the top front chassis panel, should be kept clean by periodic
vacuuming, and should be replaced if it becomes torn, worn, or dirty. You can access the filter while
the system is operating by removing the bottom front chassis panel. The blower, which is located in
the front interior of the chassis, need only be replaced if the existing blower fails. You must turn all
system power off and remove the top and bottom front chassis panels to access the blower.
The sections in this document include the following:
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•
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Copyright © 1995
Cisco Systems, Inc.
All rights reserved.
The air filter and chassis blower installation and functionality are identical for both chassis;
Product Overview, page 2
Prerequisites, page 4
Removing and Replacing the Front Chassis Panels, page 6
Cleaning and Replacing the Air Filter, page 10
Replacing the Chassis Blower, page 11
1

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  • Page 1 Doc. No. 78-1059-04 Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions Product Numbers: MAS-7KFAN and ACS-7KFILTER Customer Order Number: DOC-781059= This document contains instructions for replacing the air filter and the chassis blower in the Cisco 7000 and Cisco 7507.

  • Page 2: Product Overview

    The blower is secured to the backplane with three large captive Phillips or Allen-head screws. (The earliest chassis manufactured use Phillips screws; the rest now use Allen-head screws.) 2 Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...
  • Page 3 flow of cooling air into the chassis and may cause an overtemperature condition. Figure 2 Chassis Air Filter and Top Front Panel Filter Frame (gray) Captive screws Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...
  • Page 4 Denna varningssymbol signalerar fara. Du befinner dig i en situation som kan leda till Varning! personskada. Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och känna till vanligt förfarande för att förebygga skador. 4 Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...

  • Page 5: Safety Guidelines

    flat-blade) screwdriver. Earlier chassis (the first several hundred shipped) used slotted screws, and later chassis used Phillips screws to secure the top front panel to the chassis. No tools are required to remove the bottom front chassis panel. Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...

  • Page 6: Removing The Panels

    (See Figure 3, on page 7.) On the top front panel, use a screwdriver to loosen the two captive screws at the bottom Step 3 edge of the panel frame. 6 Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...
  • Page 7 Place one hand against the top front center of the panel to brace it. (See Figure 4a.) The top of the panel acts as a pivot point when you pull the bottom out and away from the chassis. Figure 4 Removing the Top Front Panel Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...
  • Page 8 This completes the chassis front panel removal and replacement procedures. 8 Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...
  • Page 9 Removing and Replacing the Front Chassis Panels Figure 5 Replacing the Top Front Panel Guide tab slides up into slot in chassis Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...

  • Page 10: Cleaning And Replacing The Air Filter

    DC circuit, switch the circuit breaker to the OFF position, and tape the switch handle of the circuit breaker in the OFF position. (For translations of this safety warning, refer to the section “DC Power Disconnection Warning” on page 17.) 10 Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...
  • Page 11 OFF position. (For translations of this safety warning, refer to the section “DC Power Disconnection Warning” on page 17.) Figure 6 Chassis Blower Blower power connection Purple (+24V) Black (ground) Blower Captive Allen-head screws Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...
  • Page 12 fixed to the blower, but they should spin freely.) Step 9 Pull the blower outward using steady pressure and wiggling it until it is free from the backplane. 12 Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...
  • Page 13 Replace the top and bottom front chassis panels (refer to the section “Removing and Replacing the Front Chassis Panels” on page 6) and proceed to the next section to verify the installation. Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...

  • Page 14: Checking The Installation

    If after several attempts the blower does not operate, or if you experience trouble with the Step 3 installation (for instance, if the captive blower screws do not align with the backplane holes), contact a service representative. This completes the blower replacement. 14 Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...

  • Page 15: Translated Safety Warnings

    Kontakt mit Telefonnetzspannungen zu vermeiden. Avvertenza Prima di aprire il telaio, scollegare i cavi della rete telefonica per evitare di entrare in contatto con la tensione di rete. Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...

  • Page 16: Power Supply Disconnection Warning

    (CC). Varning! I nnan du arbetar med ett chassi eller nära strömförsörjningsenheter skall du för växelströmsenheter dra ur nätsladden och för likströmsenheter bryta strömmen vid överspänningsskyddet. 16 Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...

  • Page 17: Electric Shock Warning

    Varmista, että tasavirtapiirissä ei ole virtaa ennen seuraavien toimenpiteiden Varoitus suorittamista. Varmistaaksesi, että virta on KATKAISTU täysin, paikanna tasavirrasta huolehtivassa kojetaulussa sijaitseva suojakytkin, käännä suojakytkin KATKAISTU-asentoon ja teippaa suojakytkimen varsi niin, että se pysyy KATKAISTU-asennossa. Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...
  • Page 18 Une fois l'alimentation connectée, retirer le ruban adhésif servant à bloquer la poignée Attention du disjoncteur et rétablir l'alimentation en plaçant cette poignée en position de marche (ON). 18 Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...
  • Page 19 När du har kopplat ledningarna till strömförsörjningsenheten för inmatad likström tar du Varning! bort tejpen från överspänningsskyddets omkopplare och slår på strömmen igen genom att ställa överspänningsskyddets omkopplare i TILL-läget. Cisco 7000 and Cisco 7507 Air Filter and Chassis Blower Replacement Instructions...

  • Page 20: Cisco Information Online

    LAN/X.25, Point and Click Internetworking, RouteStream, SMARTnet, SwitchProbe, SynchroniCD, The Cell, VirtualStream, WNIC, Workgroup Director, Workgroup Stack, and XCI are trademarks, Access by Cisco and Bringing the power of internetworking to everyone are service marks, and Cisco, Cisco Systems, the Cisco Systems logo, EtherSwitch, IGRP, Kalpana, LightStream, and UniverCD are registered trademarks of Cisco Systems, Inc. All other trademarks, service marks, registered trademarks, or registered service marks mentioned in this document are the property of their respective owners.

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