Nortel DMS-100 Series Maintenance Manual page 648

13-46 OPM routine maintenance procedures
Filters inspection for cooling unit
OPM
Application
Use this procedure to inspect cooling unit filters in frame cooling units.
Interval
Perform this procedure every two weeks.
Common procedures
There are no common procedures.
Action
This procedure contains a summary flowchart and a list of steps. Use the
flowchart to review the procedure. Follow the steps to perform this procedure.
297-8361-550 Standard 04.01 September 2000