Northern Telecom DMS-100 Series Maintenance Procedure page 24
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Also See for DMS-100 Series:
- Maintenance manual (238 pages) ,
- Manual (168 pages) ,
- Installation and maintenance manual (117 pages)
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1-14 Routine maintenance procedures
Replacing the cooling fans
Summary of replacing the cooling fans
297-7001-501 Standard 02.02 March 1994
(continued)
Set Fan Fail
Override
switch to ON.
Remove
panel.
Locate
affected
cooling fan.
Slide fan out
of cabinet.
Slide new fan
into cabinet.
Connect new
fan with four-
pin connector.
Re-install
panel.
Set Fan Fail
Override
switch to OFF.
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