Control Data Corporation CYBER 180 810 Maintenance And Parts Manual page 28

5002 PM ON EM (FILTER, WARNING SYSTEM
&
BATTERY)
• 3-2
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THE FOLLOWING PM TASKS SHOULD BE DONE IN CONJUNCTION WITH AN
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UNSCHEDULED EM TRIP ON THE SITE OR A SCHEDULED MEMORY MAINT-
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ENANCE TRIP, REFER TO CAMS ID Cl80810 TASK 5001.
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AIR FILTER CHECK/CLEAN
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THERE ARE THREE AIR FILTERS IN THE 810/830 CABINETS. ONE
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LOCATED IN THE FRONT DOOR OF THE POWER CABINET, AND ONE UNDER
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EACH OF THE LOGIC COLUMNS IN THE FRONT OF THE LOGIC CABINET.
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CLEAN AS REQUIRED.
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WARNING SYSTEM CHECK
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ANY SITUATION REQUIRING A POWERING DOWN OF THE UNIT CAN
BE USED AS AN OPPORTUNITY TO TEST THE WARNING SYSTEM.
THIS MUST BE DONE AT LEAST ONCE EACH YEAR.
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1. PRESS THE CABINET POWER OFF BUTTON.
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2. PRESS AND HOLD THE AIR FLOW SENSOR TEST PUSHBUTTON
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SWITCH FOR TWO TO THREE MINUTES UNTIL THE LOW AIR
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FLOW AND FAULT INDICATORS LIGHT. HOLD THE SWITCH IN
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FOR AN ADDITIONAL TWO MINUTES AND THE CIRCUIT BREAKERS
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WILL TRIP.
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3.
TO POWER THE UNIT BACK UP, RESET THE CIRCUIT
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BREAKERS. PRESS THE RESET SWITCH AND THE ON
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SWITCH.
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BATTERY OPTION CHECK
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